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<div class="title">bisect.hpp</div> </div>
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<a href="opencl_2kernels_2bisect_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef VIENNACL_LINALG_OPENCL_KERNELS_BISECT_HPP_</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_LINALG_OPENCL_KERNELS_BISECT_HPP_</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> TU Wien.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Portions of this software are copyright by UChicago Argonne, LLC.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ViennaCL - The Vienna Computing Library</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> Project Head: Karl Rupp rupp@iue.tuwien.ac.at</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> (A list of authors and contributors can be found in the manual)</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> License: MIT (X11), see file LICENSE in the base directory</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">============================================================================= */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="tools_8hpp.html">viennacl/tools/tools.hpp</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="kernel_8hpp.html">viennacl/ocl/kernel.hpp</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="platform_8hpp.html">viennacl/ocl/platform.hpp</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="ocl_2utils_8hpp.html">viennacl/ocl/utils.hpp</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="linalg_2opencl_2common_8hpp.html">viennacl/linalg/opencl/common.hpp</a>"</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// declaration, forward</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>viennacl</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>linalg</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>opencl</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span>kernels</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a5dda99b34ad4350282b37e516ad43d90"> 50</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a5dda99b34ad4350282b37e516ad43d90">generate_bisect_kernel_config</a>(StringType & source)</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">/* Global configuration parameter */</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  source.append(<span class="stringliteral">" #define VIENNACL_BISECT_MAX_THREADS_BLOCK 256\n"</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  source.append(<span class="stringliteral">" #define VIENNACL_BISECT_MAX_SMALL_MATRIX 256\n"</span>);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  source.append(<span class="stringliteral">" #define VIENNACL_BISECT_MAX_THREADS_BLOCK_SMALL_MATRIX 256\n"</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  source.append(<span class="stringliteral">" #define VIENNACL_BISECT_MIN_ABS_INTERVAL 5.0e-37\n"</span>);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// Compute the next lower power of two of n</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// n number for which next higher power of two is seeked</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"></span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a7b378daca265ef32c0cab788bc5d6fda"> 66</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a7b378daca265ef32c0cab788bc5d6fda">generate_bisect_kernel_floorPow2</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  source.append(<span class="stringliteral">" inline int \n"</span>);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  source.append(<span class="stringliteral">" floorPow2(int n) \n"</span>);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// early out if already power of two</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  source.append(<span class="stringliteral">" if (0 == (n & (n-1))) \n"</span>);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  source.append(<span class="stringliteral">" return n; \n"</span>);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  source.append(<span class="stringliteral">" int exp; \n"</span>);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  source.append(<span class="stringliteral">" frexp(( "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" )n, &exp); \n"</span>);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  source.append(<span class="stringliteral">" return (1 << (exp - 1)); \n"</span>);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Compute the next higher power of two of n</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// n number for which next higher power of two is seeked</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"></span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a930bf5582d6407ead9532a49a51714be"> 99</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a930bf5582d6407ead9532a49a51714be">generate_bisect_kernel_ceilPow2</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  source.append(<span class="stringliteral">" inline int \n"</span>);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  source.append(<span class="stringliteral">" ceilPow2(int n) \n"</span>);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// early out if already power of two</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  source.append(<span class="stringliteral">" if (0 == (n & (n-1))) \n"</span>);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  source.append(<span class="stringliteral">" return n; \n"</span>);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  source.append(<span class="stringliteral">" int exp; \n"</span>);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  source.append(<span class="stringliteral">" frexp(( "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" )n, &exp); \n"</span>);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  source.append(<span class="stringliteral">" return (1 << exp); \n"</span>);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// Compute midpoint of interval [\a left, \a right] avoiding overflow if possible</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// left left / lower limit of interval</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// right right / upper limit of interval</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"></span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71b55d82d86e52a36f7a980e1e1cb60f"> 133</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71b55d82d86e52a36f7a980e1e1cb60f">generate_bisect_kernel_computeMidpoint</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  source.append(<span class="stringliteral">" inline "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  source.append(<span class="stringliteral">" computeMidpoint(const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left,\n"</span>);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right) \n"</span>);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid; \n"</span>);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  source.append(<span class="stringliteral">" if (sign(left) == sign(right)) \n"</span>);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  source.append(<span class="stringliteral">" mid = left + (right - left) * 0.5f; \n"</span>);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  source.append(<span class="stringliteral">" mid = (left + right) * 0.5f; \n"</span>);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  source.append(<span class="stringliteral">" return mid; \n"</span>);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// Check if interval converged and store appropriately</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// addr address where to store the information of the interval</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// s_left shared memory storage for left interval limits</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// s_right shared memory storage for right interval limits</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// s_left_count shared memory storage for number of eigenvalues less than left interval limits</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// s_right_count shared memory storage for number of eigenvalues less than right interval limits</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// left lower limit of interval</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// right upper limit of interval</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// left_count eigenvalues less than \a left</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// right_count eigenvalues less than \a right</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// precision desired precision for eigenvalues</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"></span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a567689e2cd00785a357a79c9f38eab65"> 178</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a567689e2cd00785a357a79c9f38eab65">generate_bisect_kernel_storeInterval</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  source.append(<span class="stringliteral">" storeInterval(unsigned int addr, \n"</span>);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" * s_left, \n"</span>);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" * s_right, \n"</span>);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  source.append(<span class="stringliteral">" __local unsigned int * s_left_count, \n"</span>);</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  source.append(<span class="stringliteral">" __local unsigned int * s_right_count, \n"</span>);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left, \n"</span>);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right, \n"</span>);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  source.append(<span class="stringliteral">" unsigned int left_count, \n"</span>);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  source.append(<span class="stringliteral">" unsigned int right_count, \n"</span>);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" precision) \n"</span>);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  source.append(<span class="stringliteral">" s_left_count[addr] = left_count; \n"</span>);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  source.append(<span class="stringliteral">" s_right_count[addr] = right_count; \n"</span>);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// check if interval converged</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" t0 = fabs(right - left); \n"</span>);</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" t1 = max(fabs(left), fabs(right)) * precision; \n"</span>);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  source.append(<span class="stringliteral">" if (t0 <= max(( "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" )VIENNACL_BISECT_MIN_ABS_INTERVAL, t1)) \n"</span>);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// compute mid point</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" lambda = computeMidpoint(left, right); \n"</span>);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// mark as converged</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  source.append(<span class="stringliteral">" s_left[addr] = lambda; \n"</span>);</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  source.append(<span class="stringliteral">" s_right[addr] = lambda; \n"</span>);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// store current limits</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  source.append(<span class="stringliteral">" s_left[addr] = left; \n"</span>);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  source.append(<span class="stringliteral">" s_right[addr] = right; \n"</span>);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aff62149c62908e2fa37bfbf85a4a5cdf"> 228</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aff62149c62908e2fa37bfbf85a4a5cdf">generate_bisect_kernel_storeIntervalShort</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  source.append(<span class="stringliteral">" storeIntervalShort(unsigned int addr, \n"</span>);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" * s_left, \n"</span>);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" * s_right, \n"</span>);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  source.append(<span class="stringliteral">" __local unsigned short * s_left_count, \n"</span>);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  source.append(<span class="stringliteral">" __local unsigned short * s_right_count, \n"</span>);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left, \n"</span>);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right, \n"</span>);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  source.append(<span class="stringliteral">" unsigned int left_count, \n"</span>);</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  source.append(<span class="stringliteral">" unsigned int right_count, \n"</span>);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" precision) \n"</span>);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  source.append(<span class="stringliteral">" s_left_count[addr] = left_count; \n"</span>);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  source.append(<span class="stringliteral">" s_right_count[addr] = right_count; \n"</span>);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// check if interval converged</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" t0 = fabs(right - left); \n"</span>);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" t1 = max(fabs(left), fabs(right)) * precision; \n"</span>);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  source.append(<span class="stringliteral">" if (t0 <= max(( "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" )VIENNACL_BISECT_MIN_ABS_INTERVAL, t1)) \n"</span>);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// compute mid point</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" lambda = computeMidpoint(left, right); \n"</span>);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// mark as converged</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  source.append(<span class="stringliteral">" s_left[addr] = lambda; \n"</span>);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  source.append(<span class="stringliteral">" s_right[addr] = lambda; \n"</span>);</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// store current limits</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  source.append(<span class="stringliteral">" s_left[addr] = left; \n"</span>);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  source.append(<span class="stringliteral">" s_right[addr] = right; \n"</span>);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// Compute number of eigenvalues that are smaller than x given a symmetric,</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// real, and tridiagonal matrix</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// g_d diagonal elements stored in global memory</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// g_s superdiagonal elements stored in global memory</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// n size of matrix</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// x value for which the number of eigenvalues that are smaller is sought</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">// tid thread identified (e.g. threadIdx.x or gtid)</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">// num_intervals_active number of active intervals / threads that currently process an interval</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// s_d scratch space to store diagonal entries of the tridiagonal matrix in shared memory</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// s_s scratch space to store superdiagonal entries of the tridiagonal matrix in shared memory</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">// converged flag if the current thread is already converged (that is count does not have to be computed)</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"></span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd7b8f4a45a0a33a994c89589efd9cf0"> 295</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd7b8f4a45a0a33a994c89589efd9cf0">generate_bisect_kernel_computeNumSmallerEigenvals</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  {</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  source.append(<span class="stringliteral">" inline unsigned int \n"</span>);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  source.append(<span class="stringliteral">" computeNumSmallerEigenvals(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_d, \n"</span>);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_s, \n"</span>);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  source.append(<span class="stringliteral">" const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" x, \n"</span>);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  source.append(<span class="stringliteral">" const unsigned int tid, \n"</span>);</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  source.append(<span class="stringliteral">" const unsigned int num_intervals_active, \n"</span>);</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_d, \n"</span>);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_s, \n"</span>);</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  source.append(<span class="stringliteral">" unsigned int converged \n"</span>);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" delta = 1.0f; \n"</span>);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  source.append(<span class="stringliteral">" unsigned int count = 0; \n"</span>);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// read data into shared memory</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  source.append(<span class="stringliteral">" if (lcl_id < n) \n"</span>);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  source.append(<span class="stringliteral">" s_d[lcl_id] = *(g_d + lcl_id); \n"</span>);</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  source.append(<span class="stringliteral">" s_s[lcl_id] = *(g_s + lcl_id - 1); \n"</span>);</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// perform loop only for active threads</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  source.append(<span class="stringliteral">" if ((tid < num_intervals_active) && (0 == converged)) \n"</span>);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">// perform (optimized) Gaussian elimination to determine the number</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// of eigenvalues that are smaller than n</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  source.append(<span class="stringliteral">" for (unsigned int k = 0; k < n; ++k) \n"</span>);</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  source.append(<span class="stringliteral">" delta = s_d[k] - x - (s_s[k] * s_s[k]) / delta; \n"</span>);</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  source.append(<span class="stringliteral">" count += (delta < 0) ? 1 : 0; \n"</span>);</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  source.append(<span class="stringliteral">" } \n"</span>); <span class="comment">// end if thread currently processing an interval</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> </div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  source.append(<span class="stringliteral">" return count; \n"</span>);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="comment">// Compute number of eigenvalues that are smaller than x given a symmetric,</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// real, and tridiagonal matrix</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">// g_d diagonal elements stored in global memory</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// g_s superdiagonal elements stored in global memory</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// n size of matrix</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="comment">// x value for which the number of eigenvalues that are smaller is seeked</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="comment">// tid thread identified (e.g. threadIdx.x or gtid)</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">// num_intervals_active number of active intervals / threads that currently process an interval</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// s_d scratch space to store diagonal entries of the tridiagonal matrix in shared memory</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">// s_s scratch space to store superdiagonal entries of the tridiagonal matrix in shared memory</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">// converged flag if the current thread is already converged (that is count does not have to be computed)</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"></span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00367"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ae8638f026e01f96697536552db93212f"> 367</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ae8638f026e01f96697536552db93212f">generate_bisect_kernel_computeNumSmallerEigenvalsLarge</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  {</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  source.append(<span class="stringliteral">" inline unsigned int \n"</span>);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  source.append(<span class="stringliteral">" computeNumSmallerEigenvalsLarge(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_d, \n"</span>);</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_s, \n"</span>);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  source.append(<span class="stringliteral">" const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" x, \n"</span>);</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  source.append(<span class="stringliteral">" const unsigned int tid, \n"</span>);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  source.append(<span class="stringliteral">" const unsigned int num_intervals_active, \n"</span>);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_d, \n"</span>);</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_s, \n"</span>);</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  source.append(<span class="stringliteral">" unsigned int converged \n"</span>);</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" delta = 1.0f; \n"</span>);</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  source.append(<span class="stringliteral">" unsigned int count = 0; \n"</span>);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  source.append(<span class="stringliteral">" unsigned int rem = n; \n"</span>);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// do until whole diagonal and superdiagonal has been loaded and processed</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  source.append(<span class="stringliteral">" for (unsigned int i = 0; i < n; i += lcl_sz) \n"</span>);</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="comment">// read new chunk of data into shared memory</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  source.append(<span class="stringliteral">" if ((i + lcl_id) < n) \n"</span>);</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  source.append(<span class="stringliteral">" s_d[lcl_id] = *(g_d + i + lcl_id); \n"</span>);</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  source.append(<span class="stringliteral">" s_s[lcl_id] = *(g_s + i + lcl_id - 1); \n"</span>);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  source.append(<span class="stringliteral">" if (tid < num_intervals_active) \n"</span>);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">// perform (optimized) Gaussian elimination to determine the number</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">// of eigenvalues that are smaller than n</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  source.append(<span class="stringliteral">" for (unsigned int k = 0; k < min(rem,lcl_sz); ++k) \n"</span>);</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  source.append(<span class="stringliteral">" delta = s_d[k] - x - (s_s[k] * s_s[k]) / delta; \n"</span>);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">// delta = (abs( delta) < (1.0e-10)) ? -(1.0e-10) : delta;</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  source.append(<span class="stringliteral">" count += (delta < 0) ? 1 : 0; \n"</span>);</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  source.append(<span class="stringliteral">" } \n"</span>); <span class="comment">// end if thread currently processing an interval</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  source.append(<span class="stringliteral">" rem -= lcl_sz; \n"</span>);</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  source.append(<span class="stringliteral">" return count; \n"</span>);</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">// Store all non-empty intervals resulting from the subdivision of the interval</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="comment">// currently processed by the thread</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">// addr base address for storing intervals</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="comment">// num_threads_active number of threads / intervals in current sweep</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="comment">// s_left shared memory storage for left interval limits</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="comment">// s_right shared memory storage for right interval limits</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">// s_left_count shared memory storage for number of eigenvalues less than left interval limits</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="comment">// s_right_count shared memory storage for number of eigenvalues less than right interval limits</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// left lower limit of interval</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">// mid midpoint of interval</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">// right upper limit of interval</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">// left_count eigenvalues less than \a left</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">// mid_count eigenvalues less than \a mid</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">// right_count eigenvalues less than \a right</span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="comment">// precision desired precision for eigenvalues</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// compact_second_chunk shared mem flag if second chunk is used and ergo requires compaction</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">// s_compaction_list_exc helper array for stream compaction, s_compaction_list_exc[tid] = 1 when the thread generated two child intervals</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="comment">// is_active_interval mark is thread has a second non-empty child interval</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"></span></div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00456"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aad695fe296aa9e3b6a0dc4c472ad0cd3"> 456</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aad695fe296aa9e3b6a0dc4c472ad0cd3">generate_bisect_kernel_storeNonEmptyIntervals</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  {</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  source.append(<span class="stringliteral">" storeNonEmptyIntervals(unsigned int addr, \n"</span>);</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  source.append(<span class="stringliteral">" __local unsigned int *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  source.append(<span class="stringliteral">" __local unsigned int *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left, \n "</span>);</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid, \n"</span>);</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right,\n"</span>);</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  source.append(<span class="stringliteral">" const unsigned int left_count, \n"</span>);</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  source.append(<span class="stringliteral">" const unsigned int mid_count, \n"</span>);</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  source.append(<span class="stringliteral">" const unsigned int right_count, \n"</span>);</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" precision, \n"</span>);</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  source.append(<span class="stringliteral">" __local unsigned int *compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  source.append(<span class="stringliteral">" __local unsigned int *s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  source.append(<span class="stringliteral">" unsigned int *is_active_second) \n"</span>);</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="comment">// check if both child intervals are valid</span></div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  source.append(<span class="stringliteral">" if ((left_count != mid_count) && (mid_count != right_count)) \n"</span>);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> </div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="comment">// store the left interval</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  source.append(<span class="stringliteral">" storeInterval(addr, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  source.append(<span class="stringliteral">" left, mid, left_count, mid_count, precision); \n"</span>);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="comment">// mark that a second interval has been generated, only stored after</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="comment">// stream compaction of second chunk</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  source.append(<span class="stringliteral">" *is_active_second = 1; \n"</span>);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[lcl_id] = 1; \n"</span>);</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  source.append(<span class="stringliteral">" *compact_second_chunk = 1; \n"</span>);</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="comment">// only one non-empty child interval</span></div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> </div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">// mark that no second child</span></div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  source.append(<span class="stringliteral">" *is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> </div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="comment">// store the one valid child interval</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  source.append(<span class="stringliteral">" if (left_count != mid_count) \n"</span>);</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  source.append(<span class="stringliteral">" storeInterval(addr, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  source.append(<span class="stringliteral">" left, mid, left_count, mid_count, precision); \n"</span>);</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  source.append(<span class="stringliteral">" storeInterval(addr, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  source.append(<span class="stringliteral">" mid, right, mid_count, right_count, precision); \n"</span>);</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> </div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> </div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> </div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00531"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a1caa05ae768ebecd644418202f23cb3b"> 531</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a1caa05ae768ebecd644418202f23cb3b">generate_bisect_kernel_storeNonEmptyIntervalsLarge</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  {</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  source.append(<span class="stringliteral">" storeNonEmptyIntervalsLarge(unsigned int addr, \n"</span>);</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  source.append(<span class="stringliteral">" __local unsigned short *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  source.append(<span class="stringliteral">" __local unsigned short *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left, \n "</span>);</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid, \n"</span>);</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right,\n"</span>);</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  source.append(<span class="stringliteral">" const unsigned int left_count, \n"</span>);</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  source.append(<span class="stringliteral">" const unsigned int mid_count, \n"</span>);</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  source.append(<span class="stringliteral">" const unsigned int right_count, \n"</span>);</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" epsilon, \n"</span>);</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  source.append(<span class="stringliteral">" __local unsigned int *compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  source.append(<span class="stringliteral">" __local unsigned short *s_compaction_list, \n"</span>);</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  source.append(<span class="stringliteral">" unsigned int *is_active_second) \n"</span>);</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// check if both child intervals are valid</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  source.append(<span class="stringliteral">" if ((left_count != mid_count) && (mid_count != right_count)) \n"</span>);</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  source.append(<span class="stringliteral">" storeIntervalShort(addr, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  source.append(<span class="stringliteral">" left, mid, left_count, mid_count, epsilon); \n"</span>);</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  source.append(<span class="stringliteral">" *is_active_second = 1; \n"</span>);</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  source.append(<span class="stringliteral">" s_compaction_list[lcl_id] = 1; \n"</span>);</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  source.append(<span class="stringliteral">" *compact_second_chunk = 1; \n"</span>);</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="comment">// only one non-empty child interval</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> </div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  <span class="comment">// mark that no second child</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  source.append(<span class="stringliteral">" *is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  source.append(<span class="stringliteral">" s_compaction_list[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="comment">// store the one valid child interval</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  source.append(<span class="stringliteral">" if (left_count != mid_count) \n"</span>);</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  source.append(<span class="stringliteral">" storeIntervalShort(addr, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  source.append(<span class="stringliteral">" left, mid, left_count, mid_count, epsilon); \n"</span>);</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  source.append(<span class="stringliteral">" storeIntervalShort(addr, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  source.append(<span class="stringliteral">" mid, right, mid_count, right_count, epsilon); \n"</span>);</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  }</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> </div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="comment">// Create indices for compaction, that is process \a s_compaction_list_exc</span></div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="comment">// which is 1 for intervals that generated a second child and 0 otherwise</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="comment">// and create for each of the non-zero elements the index where the new</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="comment">// interval belongs to in a compact representation of all generated second children</span></div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="comment">// s_compaction_list_exc list containing the flags which threads generated two children</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="comment">// num_threads_compaction number of threads to employ for compaction</span></div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="comment"></span></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00604"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af493d04690d488d12a9e8b5b671bfce2"> 604</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af493d04690d488d12a9e8b5b671bfce2">generate_bisect_kernel_createIndicesCompaction</a>(StringType & source)</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  {</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  source.append(<span class="stringliteral">" createIndicesCompaction(__local unsigned int *s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  source.append(<span class="stringliteral">" unsigned int num_threads_compaction) \n"</span>);</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> </div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  source.append(<span class="stringliteral">" unsigned int offset = 1; \n"</span>);</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// if(tid == 0)</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="comment">// printf("num_threads_compaction = %u\n", num_threads_compaction);</span></div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> </div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">// higher levels of scan tree</span></div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  source.append(<span class="stringliteral">" for (int d = (num_threads_compaction >> 1); d > 0; d >>= 1) \n"</span>);</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  source.append(<span class="stringliteral">" if (tid < d) \n"</span>);</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> </div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(2*tid+1)-1; \n"</span>);</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  source.append(<span class="stringliteral">" unsigned int bi = offset*(2*tid+2)-1; \n"</span>);</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[bi] = s_compaction_list_exc[bi] \n"</span>);</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  source.append(<span class="stringliteral">" + s_compaction_list_exc[ai]; \n"</span>);</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> </div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  source.append(<span class="stringliteral">" offset <<= 1; \n"</span>);</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> </div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="comment">// traverse down tree: first down to level 2 across</span></div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  source.append(<span class="stringliteral">" for (int d = 2; d < num_threads_compaction; d <<= 1) \n"</span>);</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  source.append(<span class="stringliteral">" offset >>= 1; \n"</span>);</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> </div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  source.append(<span class="stringliteral">" if (tid < (d-1)) \n"</span>);</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(tid+1) - 1; \n"</span>);</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  source.append(<span class="stringliteral">" unsigned int bi = ai + (offset >> 1); \n"</span>);</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span> </div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[bi] = s_compaction_list_exc[bi] \n"</span>);</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  source.append(<span class="stringliteral">" + s_compaction_list_exc[ai]; \n"</span>);</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span> </div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span> </div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  }</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span> </div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> </div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00667"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a46499210dd90f5a0c50806ea5db1a185"> 667</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a46499210dd90f5a0c50806ea5db1a185">generate_bisect_kernel_createIndicesCompactionShort</a>(StringType & source)</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  {</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  source.append(<span class="stringliteral">" createIndicesCompactionShort(__local unsigned short *s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  source.append(<span class="stringliteral">" unsigned int num_threads_compaction) \n"</span>);</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> </div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span> </div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  source.append(<span class="stringliteral">" unsigned int offset = 1; \n"</span>);</div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> </div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="comment">// higher levels of scan tree</span></div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  source.append(<span class="stringliteral">" for (int d = (num_threads_compaction >> 1); d > 0; d >>= 1) \n"</span>);</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> </div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  source.append(<span class="stringliteral">" if (tid < d) \n"</span>);</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(2*tid+1)-1; \n"</span>);</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  source.append(<span class="stringliteral">" unsigned int bi = offset*(2*tid+2)-1; \n"</span>);</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[bi] = s_compaction_list_exc[bi] \n"</span>);</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  source.append(<span class="stringliteral">" + s_compaction_list_exc[ai]; \n"</span>);</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> </div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  source.append(<span class="stringliteral">" offset <<= 1; \n"</span>);</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> </div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="comment">// traverse down tree: first down to level 2 across</span></div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  source.append(<span class="stringliteral">" for (int d = 2; d < num_threads_compaction; d <<= 1) \n"</span>);</div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span> </div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  source.append(<span class="stringliteral">" offset >>= 1; \n"</span>);</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> </div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  source.append(<span class="stringliteral">" if (tid < (d-1)) \n"</span>);</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> </div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(tid+1) - 1; \n"</span>);</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  source.append(<span class="stringliteral">" unsigned int bi = ai + (offset >> 1); \n"</span>);</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span> </div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[bi] = s_compaction_list_exc[bi] \n"</span>);</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  source.append(<span class="stringliteral">" + s_compaction_list_exc[ai]; \n"</span>);</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span> </div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span> </div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  }</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span> </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="comment">// Perform stream compaction for second child intervals</span></div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="comment">// s_left shared memory storage for left interval limits</span></div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="comment">// s_right shared memory storage for right interval limits</span></div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="comment">// s_left_count shared memory storage for number of eigenvalues less than left interval limits</span></div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="comment">// s_right_count shared memory storage for number of eigenvalues less than right interval limits</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="comment">// mid midpoint of current interval (left of new interval)</span></div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="comment">// right upper limit of interval</span></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="comment">// mid_count eigenvalues less than \a mid</span></div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="comment">// s_compaction_list list containing the indices where the data has to be stored</span></div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="comment">// num_threads_active number of active threads / intervals</span></div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="comment">// is_active_interval mark is thread has a second non-empty child interval</span></div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="comment"></span></div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> </div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00743"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3b5db806d7e384d6384205815cb49f6e"> 743</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3b5db806d7e384d6384205815cb49f6e">generate_bisect_kernel_compactIntervals</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  {</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  source.append(<span class="stringliteral">" compactIntervals(__local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  source.append(<span class="stringliteral">" __local unsigned int *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  source.append(<span class="stringliteral">" __local unsigned int *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid, \n"</span>);</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right, \n"</span>);</div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  source.append(<span class="stringliteral">" unsigned int mid_count, unsigned int right_count, \n"</span>);</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  source.append(<span class="stringliteral">" __local unsigned int *s_compaction_list, \n"</span>);</div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  source.append(<span class="stringliteral">" unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  source.append(<span class="stringliteral">" unsigned int is_active_second) \n"</span>);</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> </div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> </div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="comment">// perform compaction / copy data for all threads where the second</span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="comment">// child is not dead</span></div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  source.append(<span class="stringliteral">" if ((tid < num_threads_active) && (1 == is_active_second)) \n"</span>);</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  source.append(<span class="stringliteral">" unsigned int addr_w = num_threads_active + s_compaction_list[tid]; \n"</span>);</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  source.append(<span class="stringliteral">" s_left[addr_w] = mid; \n"</span>);</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  source.append(<span class="stringliteral">" s_right[addr_w] = right; \n"</span>);</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  source.append(<span class="stringliteral">" s_left_count[addr_w] = mid_count; \n"</span>);</div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  source.append(<span class="stringliteral">" s_right_count[addr_w] = right_count; \n"</span>);</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  }</div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span> </div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> </div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> </div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> </div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00783"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a4b8d5d1e1da364345b4846035dde7c"> 783</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a4b8d5d1e1da364345b4846035dde7c">generate_bisect_kernel_compactIntervalsShort</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  {</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  source.append(<span class="stringliteral">" compactIntervalsShort(__local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  source.append(<span class="stringliteral">" __local unsigned short *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  source.append(<span class="stringliteral">" __local unsigned short *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid, \n"</span>);</div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right, \n"</span>);</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  source.append(<span class="stringliteral">" unsigned int mid_count, unsigned int right_count, \n"</span>);</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  source.append(<span class="stringliteral">" __local unsigned short *s_compaction_list, \n"</span>);</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  source.append(<span class="stringliteral">" unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  source.append(<span class="stringliteral">" unsigned int is_active_second) \n"</span>);</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> </div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span> </div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="comment">// perform compaction / copy data for all threads where the second</span></div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="comment">// child is not dead</span></div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  source.append(<span class="stringliteral">" if ((tid < num_threads_active) && (1 == is_active_second)) \n"</span>);</div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  source.append(<span class="stringliteral">" unsigned int addr_w = num_threads_active + s_compaction_list[tid]; \n"</span>);</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  source.append(<span class="stringliteral">" s_left[addr_w] = mid; \n"</span>);</div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  source.append(<span class="stringliteral">" s_right[addr_w] = right; \n"</span>);</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  source.append(<span class="stringliteral">" s_left_count[addr_w] = mid_count; \n"</span>);</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  source.append(<span class="stringliteral">" s_right_count[addr_w] = right_count; \n"</span>);</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  }</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> </div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span> </div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> </div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00822"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3bf5e9e8c82f0301f0866dce841a8118"> 822</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3bf5e9e8c82f0301f0866dce841a8118">generate_bisect_kernel_storeIntervalConverged</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  {</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  source.append(<span class="stringliteral">" storeIntervalConverged( __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  source.append(<span class="stringliteral">" __local unsigned int *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  source.append(<span class="stringliteral">" __local unsigned int *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *left, \n"</span>);</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *mid, \n"</span>);</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *right, \n"</span>);</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  source.append(<span class="stringliteral">" unsigned int *left_count, \n"</span>);</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  source.append(<span class="stringliteral">" unsigned int *mid_count, \n"</span>);</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  source.append(<span class="stringliteral">" unsigned int *right_count, \n"</span>);</div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  source.append(<span class="stringliteral">" __local unsigned int *s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  source.append(<span class="stringliteral">" __local unsigned int *compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  source.append(<span class="stringliteral">" unsigned int *is_active_second) \n"</span>);</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span> </div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  source.append(<span class="stringliteral">" const unsigned int multiplicity = *right_count - *left_count; \n"</span>);</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="comment">// check multiplicity of eigenvalue</span></div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  source.append(<span class="stringliteral">" if (1 == multiplicity) \n"</span>);</div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> </div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="comment">// just re-store intervals, simple eigenvalue</span></div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  source.append(<span class="stringliteral">" s_left[tid] = *left; \n"</span>);</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  source.append(<span class="stringliteral">" s_right[tid] = *right; \n"</span>);</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  source.append(<span class="stringliteral">" s_left_count[tid] = *left_count; \n"</span>);</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  source.append(<span class="stringliteral">" s_right_count[tid] = *right_count; \n"</span>);</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span> </div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="comment">// mark that no second child / clear</span></div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  source.append(<span class="stringliteral">" *is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span> </div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  <span class="comment">// number of eigenvalues after the split less than mid</span></div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  source.append(<span class="stringliteral">" *mid_count = *left_count + (multiplicity >> 1); \n"</span>);</div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span> </div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <span class="comment">// store left interval</span></div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  source.append(<span class="stringliteral">" s_left[tid] = *left; \n"</span>);</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  source.append(<span class="stringliteral">" s_right[tid] = *right; \n"</span>);</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  source.append(<span class="stringliteral">" s_left_count[tid] = *left_count; \n"</span>);</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  source.append(<span class="stringliteral">" s_right_count[tid] = *mid_count; \n"</span>);</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  source.append(<span class="stringliteral">" *mid = *left; \n"</span>);</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span> </div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="comment">// mark that second child interval exists</span></div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  source.append(<span class="stringliteral">" *is_active_second = 1; \n"</span>);</div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[tid] = 1; \n"</span>);</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  source.append(<span class="stringliteral">" *compact_second_chunk = 1; \n"</span>);</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  }</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span> </div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span> </div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span> </div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span> </div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span> </div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00890"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abc6b25fb3693f18d024c5a1615852428"> 890</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abc6b25fb3693f18d024c5a1615852428">generate_bisect_kernel_storeIntervalConvergedShort</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  {</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  source.append(<span class="stringliteral">" storeIntervalConvergedShort(__local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  source.append(<span class="stringliteral">" __local unsigned short *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  source.append(<span class="stringliteral">" __local unsigned short *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *left, \n"</span>);</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *mid, \n"</span>);</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *right, \n"</span>);</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  source.append(<span class="stringliteral">" unsigned int *left_count, \n"</span>);</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  source.append(<span class="stringliteral">" unsigned int *mid_count, \n"</span>);</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  source.append(<span class="stringliteral">" unsigned int *right_count, \n"</span>);</div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  source.append(<span class="stringliteral">" __local unsigned short *s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  source.append(<span class="stringliteral">" __local unsigned int *compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  source.append(<span class="stringliteral">" unsigned int *is_active_second) \n"</span>);</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> </div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  source.append(<span class="stringliteral">" const unsigned int multiplicity = *right_count - *left_count; \n"</span>);</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="comment">// check multiplicity of eigenvalue</span></div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  source.append(<span class="stringliteral">" if (1 == multiplicity) \n"</span>);</div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> </div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  <span class="comment">// just re-store intervals, simple eigenvalue</span></div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  source.append(<span class="stringliteral">" s_left[tid] = *left; \n"</span>);</div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  source.append(<span class="stringliteral">" s_right[tid] = *right; \n"</span>);</div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  source.append(<span class="stringliteral">" s_left_count[tid] = *left_count; \n"</span>);</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  source.append(<span class="stringliteral">" s_right_count[tid] = *right_count; \n"</span>);</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> </div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  <span class="comment">// mark that no second child / clear</span></div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  source.append(<span class="stringliteral">" *is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="comment">// number of eigenvalues after the split less than mid</span></div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  source.append(<span class="stringliteral">" *mid_count = *left_count + (multiplicity >> 1); \n"</span>);</div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> </div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  <span class="comment">// store left interval</span></div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  source.append(<span class="stringliteral">" s_left[tid] = *left; \n"</span>);</div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  source.append(<span class="stringliteral">" s_right[tid] = *right; \n"</span>);</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  source.append(<span class="stringliteral">" s_left_count[tid] = *left_count; \n"</span>);</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  source.append(<span class="stringliteral">" s_right_count[tid] = *mid_count; \n"</span>);</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  source.append(<span class="stringliteral">" *mid = *left; \n"</span>);</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span> </div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="comment">// mark that second child interval exists</span></div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  source.append(<span class="stringliteral">" *is_active_second = 1; \n"</span>);</div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[tid] = 1; \n"</span>);</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  source.append(<span class="stringliteral">" *compact_second_chunk = 1; \n"</span>);</div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  }</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span> </div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="comment">// Subdivide interval if active and not already converged</span></div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="comment">// tid id of thread</span></div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="comment">// s_left shared memory storage for left interval limits</span></div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="comment">// s_right shared memory storage for right interval limits</span></div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <span class="comment">// s_left_count shared memory storage for number of eigenvalues less than left interval limits</span></div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="comment">// s_right_count shared memory storage for number of eigenvalues less than right interval limits</span></div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="comment">// num_threads_active number of active threads in warp</span></div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="comment">// left lower limit of interval</span></div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="comment">// right upper limit of interval</span></div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <span class="comment">// left_count eigenvalues less than \a left</span></div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  <span class="comment">// right_count eigenvalues less than \a right</span></div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <span class="comment">// all_threads_converged shared memory flag if all threads are converged</span></div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> <span class="comment"></span></div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span> </div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00971"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af691d922a1d82dbc23382b2b3042366b"> 971</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af691d922a1d82dbc23382b2b3042366b">generate_bisect_kernel_subdivideActiveInterval</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  {</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  source.append(<span class="stringliteral">" subdivideActiveIntervalMulti(const unsigned int tid, \n"</span>);</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  source.append(<span class="stringliteral">" __local unsigned int *s_left_count, \n"</span>);</div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  source.append(<span class="stringliteral">" __local unsigned int *s_right_count, \n"</span>);</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *left, \n"</span>);</div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *right, \n"</span>);</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  source.append(<span class="stringliteral">" unsigned int *left_count, unsigned int *right_count, \n"</span>);</div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *mid, \n"</span>);</div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  source.append(<span class="stringliteral">" __local unsigned int *all_threads_converged) \n"</span>);</div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> </div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="comment">// for all active threads</span></div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  source.append(<span class="stringliteral">" if (tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> </div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  source.append(<span class="stringliteral">" *left = s_left[tid]; \n"</span>);</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  source.append(<span class="stringliteral">" *right = s_right[tid]; \n"</span>);</div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  source.append(<span class="stringliteral">" *left_count = s_left_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  source.append(<span class="stringliteral">" *right_count = s_right_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span> </div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="comment">// check if thread already converged</span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  source.append(<span class="stringliteral">" if (*left != *right) \n"</span>);</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span> </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  source.append(<span class="stringliteral">" *mid = computeMidpoint(*left, *right); \n"</span>);</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  source.append(<span class="stringliteral">" *all_threads_converged = 0; \n"</span>);</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  source.append(<span class="stringliteral">" else if ((*right_count - *left_count) > 1) \n"</span>);</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="comment">// mark as not converged if multiple eigenvalues enclosed</span></div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="comment">// duplicate interval in storeIntervalsConverged()</span></div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  source.append(<span class="stringliteral">" *all_threads_converged = 0; \n"</span>);</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span> </div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="comment">// end for all active threads</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  }</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span> </div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> </div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  <span class="keyword">template</span><<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01023"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a364186fe09148b1b12c83a472f19d745"> 1023</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a364186fe09148b1b12c83a472f19d745">generate_bisect_kernel_subdivideActiveIntervalShort</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  {</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  source.append(<span class="stringliteral">" subdivideActiveIntervalShort(const unsigned int tid, \n"</span>);</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  source.append(<span class="stringliteral">" __local unsigned short *s_left_count, \n"</span>);</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  source.append(<span class="stringliteral">" __local unsigned short *s_right_count, \n"</span>);</div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *left, \n"</span>);</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *right, \n"</span>);</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  source.append(<span class="stringliteral">" unsigned int *left_count, unsigned int *right_count, \n"</span>);</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *mid, \n"</span>);</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  source.append(<span class="stringliteral">" __local unsigned int *all_threads_converged) \n"</span>);</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span> </div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  <span class="comment">// for all active threads</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  source.append(<span class="stringliteral">" if (tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> </div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  source.append(<span class="stringliteral">" *left = s_left[tid]; \n"</span>);</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  source.append(<span class="stringliteral">" *right = s_right[tid]; \n"</span>);</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  source.append(<span class="stringliteral">" *left_count = s_left_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  source.append(<span class="stringliteral">" *right_count = s_right_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span> </div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <span class="comment">// check if thread already converged</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  source.append(<span class="stringliteral">" if (*left != *right) \n"</span>);</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span> </div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  source.append(<span class="stringliteral">" *mid = computeMidpoint(*left, *right); \n"</span>);</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  source.append(<span class="stringliteral">" *all_threads_converged = 0; \n"</span>);</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span> </div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="comment">// end for all active threads</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  }</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span> </div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  <span class="comment">// end of utilities</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="comment">// start of kernels</span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span> </div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span> </div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="comment">// Bisection to find eigenvalues of a real, symmetric, and tridiagonal matrix</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="comment">// g_d diagonal elements in global memory</span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="comment">// g_s superdiagonal elements in global elements (stored so that the element *(g_s - 1) can be accessed an equals 0</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <span class="comment">// n size of matrix</span></div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="comment">// lg lower bound of input interval (e.g. Gerschgorin interval)</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  <span class="comment">// ug upper bound of input interval (e.g. Gerschgorin interval)</span></div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  <span class="comment">// lg_eig_count number of eigenvalues that are smaller than \a lg</span></div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  <span class="comment">// lu_eig_count number of eigenvalues that are smaller than \a lu</span></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <span class="comment">// epsilon desired accuracy of eigenvalues to compute</span></div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01085"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a983cf94c8567dab6900a9d5f936bcb2f"> 1085</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a983cf94c8567dab6900a9d5f936bcb2f">generate_bisect_kernel_bisectKernel</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  {</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  source.append(<span class="stringliteral">" __kernel \n"</span>);</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  source.append(<span class="stringliteral">" bisectKernelSmall(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_d, \n"</span>);</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_s, \n"</span>);</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  source.append(<span class="stringliteral">" const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left, \n"</span>);</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right, \n"</span>);</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  source.append(<span class="stringliteral">" __global unsigned int *g_left_count, __global unsigned int *g_right_count, \n"</span>);</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" lg, \n"</span>);</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ug, \n"</span>);</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  source.append(<span class="stringliteral">" const unsigned int lg_eig_count, const unsigned int ug_eig_count, \n"</span>);</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" epsilon \n"</span>);</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  source.append(<span class="stringliteral">" g_s = g_s + 1; \n"</span>);</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span> </div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  <span class="comment">// intervals (store left and right because the subdivision tree is in general</span></div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="comment">// not dense</span></div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_left[VIENNACL_BISECT_MAX_THREADS_BLOCK_SMALL_MATRIX]; \n"</span>);</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_right[VIENNACL_BISECT_MAX_THREADS_BLOCK_SMALL_MATRIX]; \n"</span>);</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span> </div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <span class="comment">// number of eigenvalues that are smaller than s_left / s_right</span></div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="comment">// (correspondence is realized via indices)</span></div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  source.append(<span class="stringliteral">" __local unsigned int s_left_count[VIENNACL_BISECT_MAX_THREADS_BLOCK_SMALL_MATRIX]; \n"</span>);</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  source.append(<span class="stringliteral">" __local unsigned int s_right_count[VIENNACL_BISECT_MAX_THREADS_BLOCK_SMALL_MATRIX]; \n"</span>);</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span> </div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="comment">// helper for stream compaction</span></div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  source.append(<span class="stringliteral">" __local unsigned int \n"</span>);</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>  source.append(<span class="stringliteral">" s_compaction_list[VIENNACL_BISECT_MAX_THREADS_BLOCK_SMALL_MATRIX + 1]; \n"</span>);</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span> </div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  <span class="comment">// state variables for whole block</span></div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>  <span class="comment">// if 0 then compaction of second chunk of child intervals is not necessary</span></div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="comment">// (because all intervals had exactly one non-dead child)</span></div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  source.append(<span class="stringliteral">" __local unsigned int compact_second_chunk; \n"</span>);</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  source.append(<span class="stringliteral">" __local unsigned int all_threads_converged; \n"</span>);</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> </div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <span class="comment">// number of currently active threads</span></div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  source.append(<span class="stringliteral">" __local unsigned int num_threads_active; \n"</span>);</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span> </div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="comment">// number of threads to use for stream compaction</span></div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  source.append(<span class="stringliteral">" __local unsigned int num_threads_compaction; \n"</span>);</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span> </div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="comment">// helper for exclusive scan</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  source.append(<span class="stringliteral">" __local unsigned int *s_compaction_list_exc = s_compaction_list + 1; \n"</span>);</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> </div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span> </div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>  <span class="comment">// variables for currently processed interval</span></div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="comment">// left and right limit of active interval</span></div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  source.append(<span class="stringliteral">" unsigned int left_count = 0; \n"</span>);</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  source.append(<span class="stringliteral">" unsigned int right_count = 0; \n"</span>);</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>  <span class="comment">// midpoint of active interval</span></div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  <span class="comment">// number of eigenvalues smaller then mid</span></div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  source.append(<span class="stringliteral">" unsigned int mid_count = 0; \n"</span>);</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  <span class="comment">// affected from compaction</span></div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  source.append(<span class="stringliteral">" unsigned int is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span> </div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  source.append(<span class="stringliteral">" s_compaction_list[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  source.append(<span class="stringliteral">" s_left[lcl_id] = 0.0; \n"</span>);</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  source.append(<span class="stringliteral">" s_right[lcl_id] = 0.0; \n"</span>);</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  source.append(<span class="stringliteral">" s_left_count[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  source.append(<span class="stringliteral">" s_right_count[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span> </div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> </div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <span class="comment">// set up initial configuration</span></div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  source.append(<span class="stringliteral">" if (0 == lcl_id) \n"</span>);</div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  source.append(<span class="stringliteral">" s_left[0] = lg; \n"</span>);</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  source.append(<span class="stringliteral">" s_right[0] = ug; \n"</span>);</div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  source.append(<span class="stringliteral">" s_left_count[0] = lg_eig_count; \n"</span>);</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  source.append(<span class="stringliteral">" s_right_count[0] = ug_eig_count; \n"</span>);</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> </div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  source.append(<span class="stringliteral">" compact_second_chunk = 0; \n"</span>);</div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  source.append(<span class="stringliteral">" num_threads_active = 1; \n"</span>);</div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span> </div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  source.append(<span class="stringliteral">" num_threads_compaction = 1; \n"</span>);</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span> </div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <span class="comment">// for all active threads read intervals from the last level</span></div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <span class="comment">// the number of (worst case) active threads per level l is 2^l</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span> </div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>  source.append(<span class="stringliteral">" while (true) \n"</span>);</div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span> </div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  source.append(<span class="stringliteral">" all_threads_converged = 1; \n"</span>);</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span> </div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  source.append(<span class="stringliteral">" is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  source.append(<span class="stringliteral">" subdivideActiveIntervalMulti(lcl_id, \n"</span>);</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  source.append(<span class="stringliteral">" s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  source.append(<span class="stringliteral">" num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  source.append(<span class="stringliteral">" &left, &right, &left_count, &right_count, \n"</span>);</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  source.append(<span class="stringliteral">" &mid, &all_threads_converged); \n"</span>);</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  <span class="comment">// source.append(" output[lcl_id] = s_left; \n");</span></div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span> </div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  <span class="comment">// check if done</span></div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  source.append(<span class="stringliteral">" if (1 == all_threads_converged) \n"</span>);</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  source.append(<span class="stringliteral">" break; \n"</span>);</div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span> </div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span> </div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  <span class="comment">// compute number of eigenvalues smaller than mid</span></div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <span class="comment">// use all threads for reading the necessary matrix data from global</span></div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <span class="comment">// memory</span></div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>  <span class="comment">// use s_left and s_right as scratch space for diagonal and</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  <span class="comment">// superdiagonal of matrix</span></div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  source.append(<span class="stringliteral">" mid_count = computeNumSmallerEigenvals(g_d, g_s, n, mid, \n"</span>);</div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  source.append(<span class="stringliteral">" lcl_id, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  source.append(<span class="stringliteral">" s_left, s_right, \n"</span>);</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  source.append(<span class="stringliteral">" (left == right)); \n"</span>);</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span> </div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span> </div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  <span class="comment">// store intervals</span></div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="comment">// for all threads store the first child interval in a continuous chunk of</span></div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  <span class="comment">// memory, and the second child interval -- if it exists -- in a second</span></div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="comment">// chunk; it is likely that all threads reach convergence up to</span></div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  <span class="comment">// \a epsilon at the same level; furthermore, for higher level most / all</span></div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>  <span class="comment">// threads will have only one child, storing the first child compactly will</span></div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <span class="comment">// (first) avoid to perform a compaction step on the first chunk, (second)</span></div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <span class="comment">// make it for higher levels (when all threads / intervals have</span></div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <span class="comment">// exactly one child) unnecessary to perform a compaction of the second</span></div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  <span class="comment">// chunk</span></div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  source.append(<span class="stringliteral">" if (lcl_id < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span> </div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  source.append(<span class="stringliteral">" if (left != right) \n"</span>);</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span> </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  <span class="comment">// store intervals</span></div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  source.append(<span class="stringliteral">" storeNonEmptyIntervals(lcl_id, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  source.append(<span class="stringliteral">" s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  source.append(<span class="stringliteral">" left, mid, right, \n"</span>);</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  source.append(<span class="stringliteral">" left_count, mid_count, right_count, \n"</span>);</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  source.append(<span class="stringliteral">" epsilon, &compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  source.append(<span class="stringliteral">" s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  source.append(<span class="stringliteral">" &is_active_second); \n"</span>);</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span> </div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  source.append(<span class="stringliteral">" storeIntervalConverged(s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  source.append(<span class="stringliteral">" &left, &mid, &right, \n"</span>);</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  source.append(<span class="stringliteral">" &left_count, &mid_count, &right_count, \n"</span>);</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  source.append(<span class="stringliteral">" s_compaction_list_exc, &compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  source.append(<span class="stringliteral">" num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  source.append(<span class="stringliteral">" &is_active_second); \n"</span>);</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span> </div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  <span class="comment">// necessary so that compact_second_chunk is up-to-date</span></div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span> </div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <span class="comment">// perform compaction of chunk where second children are stored</span></div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  <span class="comment">// scan of (num_threads_actieigenvaluesve / 2) elements, thus at most</span></div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="comment">// (num_threads_active / 4) threads are needed</span></div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  source.append(<span class="stringliteral">" if (compact_second_chunk > 0) \n"</span>);</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span> </div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  source.append(<span class="stringliteral">" createIndicesCompaction(s_compaction_list_exc, num_threads_compaction); \n"</span>);</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span> </div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  source.append(<span class="stringliteral">" compactIntervals(s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  source.append(<span class="stringliteral">" mid, right, mid_count, right_count, \n"</span>);</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  source.append(<span class="stringliteral">" s_compaction_list, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  source.append(<span class="stringliteral">" is_active_second); \n"</span>);</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span> </div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span> </div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  source.append(<span class="stringliteral">" if (0 == lcl_id) \n"</span>);</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span> </div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="comment">// update number of active threads with result of reduction</span></div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  source.append(<span class="stringliteral">" num_threads_active += s_compaction_list[num_threads_active]; \n"</span>);</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span> </div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  source.append(<span class="stringliteral">" num_threads_compaction = ceilPow2(num_threads_active); \n"</span>);</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span> </div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  source.append(<span class="stringliteral">" compact_second_chunk = 0; \n"</span>);</div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span> </div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span> </div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span> </div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span> </div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  <span class="comment">// write resulting intervals to global mem</span></div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  <span class="comment">// for all threads write if they have been converged to an eigenvalue to</span></div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  <span class="comment">// a separate array</span></div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span> </div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="comment">// at most n valid intervals</span></div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  source.append(<span class="stringliteral">" if (lcl_id < n) \n"</span>);</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  <span class="comment">// intervals converged so left and right limit are identical</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  source.append(<span class="stringliteral">" g_left[lcl_id] = s_left[lcl_id]; \n"</span>);</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>  <span class="comment">// left count is sufficient to have global order</span></div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  source.append(<span class="stringliteral">" g_left_count[lcl_id] = s_left_count[lcl_id]; \n"</span>);</div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  }</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span> </div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="comment">// Perform second step of bisection algorithm for large matrices for intervals that after the first step contained more than one eigenvalue</span></div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>  <span class="comment">// g_d diagonal elements of symmetric, tridiagonal matrix</span></div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <span class="comment">// g_s superdiagonal elements of symmetric, tridiagonal matrix</span></div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>  <span class="comment">// n matrix size</span></div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  <span class="comment">// blocks_mult start addresses of blocks of intervals that are processed by one block of threads, each of the intervals contains more than one eigenvalue</span></div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="comment">// blocks_mult_sum total number of eigenvalues / singleton intervals in one block of intervals</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  <span class="comment">// g_left left limits of intervals</span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <span class="comment">// g_right right limits of intervals</span></div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="comment">// g_left_count number of eigenvalues less than left limits</span></div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="comment">// g_right_count number of eigenvalues less than right limits</span></div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <span class="comment">// g_lambda final eigenvalue</span></div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <span class="comment">// g_pos index of eigenvalue (in ascending order)</span></div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  <span class="comment">// precision desired precision of eigenvalues</span></div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span> <span class="comment"></span></div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01317"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a616e5afb93ae1f2c59fcb93aa99a53"> 1317</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a616e5afb93ae1f2c59fcb93aa99a53">generate_bisect_kernel_bisectKernelLarge_MultIntervals</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  {</div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  source.append(<span class="stringliteral">" __kernel \n"</span>);</div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  source.append(<span class="stringliteral">" bisectKernelLarge_MultIntervals(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_d, \n"</span>);</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_s, \n"</span>);</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  source.append(<span class="stringliteral">" const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  source.append(<span class="stringliteral">" __global unsigned int *blocks_mult, \n"</span>);</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  source.append(<span class="stringliteral">" __global unsigned int *blocks_mult_sum, \n"</span>);</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left, \n"</span>);</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right, \n"</span>);</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  source.append(<span class="stringliteral">" __global unsigned int *g_left_count, \n"</span>);</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  source.append(<span class="stringliteral">" __global unsigned int *g_right_count, \n"</span>);</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_lambda, \n"</span>);</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  source.append(<span class="stringliteral">" __global unsigned int *g_pos, \n"</span>);</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" precision \n"</span>);</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  source.append(<span class="stringliteral">" g_s = g_s + 1; \n"</span>);</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span> </div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span> </div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  <span class="comment">// left and right limits of interval</span></div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_left[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK]; \n"</span>);</div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_right[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK]; \n"</span>);</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span> </div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="comment">// number of eigenvalues smaller than interval limits</span></div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  source.append(<span class="stringliteral">" __local unsigned int s_left_count[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK]; \n"</span>);</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  source.append(<span class="stringliteral">" __local unsigned int s_right_count[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK]; \n"</span>);</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span> </div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="comment">// helper array for chunk compaction of second chunk</span></div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  source.append(<span class="stringliteral">" __local unsigned int s_compaction_list[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  <span class="comment">// compaction list helper for exclusive scan</span></div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  source.append(<span class="stringliteral">" __local unsigned int *s_compaction_list_exc = s_compaction_list + 1; \n"</span>);</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span> </div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  <span class="comment">// flag if all threads are converged</span></div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  source.append(<span class="stringliteral">" __local unsigned int all_threads_converged; \n"</span>);</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="comment">// number of active threads</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  source.append(<span class="stringliteral">" __local unsigned int num_threads_active; \n"</span>);</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  <span class="comment">// number of threads to employ for compaction</span></div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  source.append(<span class="stringliteral">" __local unsigned int num_threads_compaction; \n"</span>);</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  <span class="comment">// flag if second chunk has to be compacted</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  source.append(<span class="stringliteral">" __local unsigned int compact_second_chunk; \n"</span>);</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span> </div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  <span class="comment">// parameters of block of intervals processed by this block of threads</span></div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  source.append(<span class="stringliteral">" __local unsigned int c_block_start; \n"</span>);</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  source.append(<span class="stringliteral">" __local unsigned int c_block_end; \n"</span>);</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  source.append(<span class="stringliteral">" __local unsigned int c_block_offset_output; \n"</span>);</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span> </div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <span class="comment">// midpoint of currently active interval of the thread</span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  <span class="comment">// number of eigenvalues smaller than \a mid</span></div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  source.append(<span class="stringliteral">" unsigned int mid_count = 0; \n"</span>);</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  <span class="comment">// current interval parameter</span></div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  source.append(<span class="stringliteral">" unsigned int left_count = 0; \n"</span>);</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>  source.append(<span class="stringliteral">" unsigned int right_count = 0; \n"</span>);</div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  <span class="comment">// helper for compaction, keep track which threads have a second child</span></div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  source.append(<span class="stringliteral">" unsigned int is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span> </div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span> </div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  <span class="comment">// initialize common start conditions</span></div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span> </div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  source.append(<span class="stringliteral">" c_block_start = blocks_mult[grp_id]; \n"</span>);</div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>  source.append(<span class="stringliteral">" c_block_end = blocks_mult[grp_id + 1]; \n"</span>);</div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  source.append(<span class="stringliteral">" c_block_offset_output = blocks_mult_sum[grp_id]; \n"</span>);</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span> </div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  source.append(<span class="stringliteral">" num_threads_active = c_block_end - c_block_start; \n"</span>);</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  source.append(<span class="stringliteral">" s_compaction_list[0] = 0; \n"</span>);</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  source.append(<span class="stringliteral">" num_threads_compaction = ceilPow2(num_threads_active); \n"</span>);</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span> </div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>  source.append(<span class="stringliteral">" all_threads_converged = 1; \n"</span>);</div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  source.append(<span class="stringliteral">" compact_second_chunk = 0; \n"</span>);</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  source.append(<span class="stringliteral">" s_left_count [tid] = 42; \n"</span>);</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  source.append(<span class="stringliteral">" s_right_count[tid] = 42; \n"</span>);</div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>  source.append(<span class="stringliteral">" s_left_count [tid + VIENNACL_BISECT_MAX_THREADS_BLOCK] = 0; \n"</span>);</div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>  source.append(<span class="stringliteral">" s_right_count[tid + VIENNACL_BISECT_MAX_THREADS_BLOCK] = 0; \n"</span>);</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span> </div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  <span class="comment">// read data into shared memory</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  source.append(<span class="stringliteral">" if (tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span> </div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>  source.append(<span class="stringliteral">" s_left[tid] = g_left[c_block_start + tid]; \n"</span>);</div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  source.append(<span class="stringliteral">" s_right[tid] = g_right[c_block_start + tid]; \n"</span>);</div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>  source.append(<span class="stringliteral">" s_left_count[tid] = g_left_count[c_block_start + tid]; \n"</span>);</div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  source.append(<span class="stringliteral">" s_right_count[tid] = g_right_count[c_block_start + tid]; \n"</span>);</div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>  source.append(<span class="stringliteral">" unsigned int iter = 0; \n"</span>);</div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  <span class="comment">// do until all threads converged</span></div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  source.append(<span class="stringliteral">" while (true) \n"</span>);</div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  source.append(<span class="stringliteral">" iter++; \n"</span>);</div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="comment">//for (int iter=0; iter < 0; iter++) {</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  source.append(<span class="stringliteral">" s_compaction_list[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  source.append(<span class="stringliteral">" s_compaction_list[lcl_id + lcl_sz] = 0; \n"</span>);</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  source.append(<span class="stringliteral">" s_compaction_list[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK] = 0; \n"</span>);</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span> </div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  <span class="comment">// subdivide interval if currently active and not already converged</span></div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  source.append(<span class="stringliteral">" subdivideActiveIntervalMulti(tid, s_left, s_right, \n"</span>);</div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  source.append(<span class="stringliteral">" s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  source.append(<span class="stringliteral">" num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  source.append(<span class="stringliteral">" &left, &right, &left_count, &right_count, \n"</span>);</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  source.append(<span class="stringliteral">" &mid, &all_threads_converged); \n"</span>);</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span> </div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  <span class="comment">// stop if all eigenvalues have been found</span></div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  source.append(<span class="stringliteral">" if (1 == all_threads_converged) \n"</span>);</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  source.append(<span class="stringliteral">" break; \n"</span>);</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span> </div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  <span class="comment">// compute number of eigenvalues smaller than mid for active and not</span></div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  <span class="comment">// converged intervals, use all threads for loading data from gmem and</span></div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  <span class="comment">// s_left and s_right as scratch space to store the data load from gmem</span></div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <span class="comment">// in shared memory</span></div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  source.append(<span class="stringliteral">" mid_count = computeNumSmallerEigenvalsLarge(g_d, g_s, n, \n"</span>);</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  source.append(<span class="stringliteral">" mid, tid, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  source.append(<span class="stringliteral">" s_left, s_right, \n"</span>);</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  source.append(<span class="stringliteral">" (left == right)); \n"</span>);</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span> </div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  source.append(<span class="stringliteral">" if (tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  <span class="comment">// store intervals</span></div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  source.append(<span class="stringliteral">" if (left != right) \n"</span>);</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span> </div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  source.append(<span class="stringliteral">" storeNonEmptyIntervals(tid, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  source.append(<span class="stringliteral">" s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  source.append(<span class="stringliteral">" left, mid, right, \n"</span>);</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  source.append(<span class="stringliteral">" left_count, mid_count, right_count, \n"</span>);</div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  source.append(<span class="stringliteral">" precision, &compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  source.append(<span class="stringliteral">" s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  source.append(<span class="stringliteral">" &is_active_second); \n"</span>);</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span> </div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  source.append(<span class="stringliteral">" storeIntervalConverged(s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  source.append(<span class="stringliteral">" &left, &mid, &right, \n"</span>);</div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  source.append(<span class="stringliteral">" &left_count, &mid_count, &right_count, \n"</span>);</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>  source.append(<span class="stringliteral">" s_compaction_list_exc, &compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  source.append(<span class="stringliteral">" num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>  source.append(<span class="stringliteral">" &is_active_second); \n"</span>);</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span> </div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span> </div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  <span class="comment">// compact second chunk of intervals if any of the threads generated</span></div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  <span class="comment">// two child intervals</span></div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  source.append(<span class="stringliteral">" if (1 == compact_second_chunk) \n"</span>);</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span> </div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  source.append(<span class="stringliteral">" createIndicesCompaction(s_compaction_list_exc, num_threads_compaction); \n"</span>);</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  source.append(<span class="stringliteral">" compactIntervals(s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  source.append(<span class="stringliteral">" mid, right, mid_count, right_count, \n"</span>);</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  source.append(<span class="stringliteral">" s_compaction_list, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  source.append(<span class="stringliteral">" is_active_second); \n"</span>);</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span> </div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span> </div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  <span class="comment">// update state variables</span></div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  source.append(<span class="stringliteral">" num_threads_active += s_compaction_list[num_threads_active]; \n"</span>);</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  source.append(<span class="stringliteral">" num_threads_compaction = ceilPow2(num_threads_active); \n"</span>);</div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span> </div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  source.append(<span class="stringliteral">" compact_second_chunk = 0; \n"</span>);</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  source.append(<span class="stringliteral">" all_threads_converged = 1; \n"</span>);</div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span> </div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span> </div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  <span class="comment">// clear</span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[lcl_id] = 0; \n"</span>);</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  source.append(<span class="stringliteral">" s_compaction_list_exc[lcl_id + lcl_sz] = 0; \n"</span>);</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  source.append(<span class="stringliteral">" if (num_threads_compaction > lcl_sz) \n"</span>);</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  source.append(<span class="stringliteral">" break; \n"</span>);</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span> </div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span> </div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span> </div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  source.append(<span class="stringliteral">" } \n"</span>); <span class="comment">// end until all threads converged</span></div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span> </div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <span class="comment">// write data back to global memory</span></div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>  source.append(<span class="stringliteral">" if (tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span> </div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  source.append(<span class="stringliteral">" unsigned int addr = c_block_offset_output + tid; \n"</span>);</div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  source.append(<span class="stringliteral">" g_lambda[addr] = s_left[tid]; \n"</span>);</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  source.append(<span class="stringliteral">" g_pos[addr] = s_right_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  }</div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span> </div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span> </div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  <span class="comment">// Determine eigenvalues for large matrices for intervals that after the first step contained one eigenvalue</span></div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  <span class="comment">// g_d diagonal elements of symmetric, tridiagonal matrix</span></div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  <span class="comment">// g_s superdiagonal elements of symmetric, tridiagonal matrix</span></div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  <span class="comment">// n matrix size</span></div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  <span class="comment">// num_intervals total number of intervals containing one eigenvalue after the first step</span></div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  <span class="comment">// g_left left interval limits</span></div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  <span class="comment">// g_right right interval limits</span></div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>  <span class="comment">// g_pos index of interval / number of intervals that are smaller than right interval limit</span></div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  <span class="comment">// precision desired precision of eigenvalues</span></div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span> <span class="comment"></span></div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01555"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a48bea4f56f9bc4d20db56ab72fb31238"> 1555</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a48bea4f56f9bc4d20db56ab72fb31238">generate_bisect_kernel_bisectKernelLarge_OneIntervals</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  {</div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  source.append(<span class="stringliteral">" __kernel \n"</span>);</div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  source.append(<span class="stringliteral">" bisectKernelLarge_OneIntervals(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_d, \n"</span>);</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_s, \n"</span>);</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  source.append(<span class="stringliteral">" const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>  source.append(<span class="stringliteral">" unsigned int num_intervals, \n"</span>);</div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left, \n"</span>);</div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right, \n"</span>);</div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>  source.append(<span class="stringliteral">" __global unsigned int *g_pos, \n"</span>);</div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" precision) \n"</span>);</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>  source.append(<span class="stringliteral">" g_s = g_s + 1; \n"</span>);</div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  source.append(<span class="stringliteral">" const unsigned int gtid = (lcl_sz * grp_id) + lcl_id; \n"</span>);</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_left_scratch[VIENNACL_BISECT_MAX_THREADS_BLOCK]; \n"</span>);</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_right_scratch[VIENNACL_BISECT_MAX_THREADS_BLOCK]; \n"</span>);</div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  <span class="comment">// active interval of thread</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  <span class="comment">// left and right limit of current interval</span></div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left, right; \n"</span>);</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="comment">// number of threads smaller than the right limit (also corresponds to the</span></div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  <span class="comment">// global index of the eigenvalues contained in the active interval)</span></div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  source.append(<span class="stringliteral">" unsigned int right_count; \n"</span>);</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="comment">// flag if current thread converged</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>  source.append(<span class="stringliteral">" unsigned int converged = 0; \n"</span>);</div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>  <span class="comment">// midpoint when current interval is subdivided</span></div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid = 0.0f; \n"</span>);</div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>  <span class="comment">// number of eigenvalues less than mid</span></div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  source.append(<span class="stringliteral">" unsigned int mid_count = 0; \n"</span>);</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span> </div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  <span class="comment">// read data from global memory</span></div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  source.append(<span class="stringliteral">" if (gtid < num_intervals) \n"</span>);</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  source.append(<span class="stringliteral">" left = g_left[gtid]; \n"</span>);</div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  source.append(<span class="stringliteral">" right = g_right[gtid]; \n"</span>);</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  source.append(<span class="stringliteral">" right_count = g_pos[gtid]; \n"</span>);</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  <span class="comment">// flag to determine if all threads converged to eigenvalue</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  source.append(<span class="stringliteral">" __local unsigned int converged_all_threads; \n"</span>);</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  <span class="comment">// initialized shared flag</span></div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  source.append(<span class="stringliteral">" if (0 == lcl_id) \n"</span>);</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  source.append(<span class="stringliteral">" converged_all_threads = 0; \n"</span>);</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <span class="comment">// process until all threads converged to an eigenvalue</span></div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  source.append(<span class="stringliteral">" while (true) \n"</span>);</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  source.append(<span class="stringliteral">" converged_all_threads = 1; \n"</span>);</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  <span class="comment">// update midpoint for all active threads</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  source.append(<span class="stringliteral">" if ((gtid < num_intervals) && (0 == converged)) \n"</span>);</div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  source.append(<span class="stringliteral">" mid = computeMidpoint(left, right); \n"</span>);</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="comment">// find number of eigenvalues that are smaller than midpoint</span></div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  source.append(<span class="stringliteral">" mid_count = computeNumSmallerEigenvalsLarge(g_d, g_s, n, \n"</span>);</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  source.append(<span class="stringliteral">" mid, gtid, num_intervals, \n"</span>);</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  source.append(<span class="stringliteral">" s_left_scratch, \n"</span>);</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  source.append(<span class="stringliteral">" s_right_scratch, \n"</span>);</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  source.append(<span class="stringliteral">" converged); \n"</span>);</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  <span class="comment">// for all active threads</span></div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  source.append(<span class="stringliteral">" if ((gtid < num_intervals) && (0 == converged)) \n"</span>);</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  <span class="comment">// update intervals -- always one child interval survives</span></div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  source.append(<span class="stringliteral">" if (right_count == mid_count) \n"</span>);</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  source.append(<span class="stringliteral">" right = mid; \n"</span>);</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  source.append(<span class="stringliteral">" left = mid; \n"</span>);</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  <span class="comment">// check for convergence</span></div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" t0 = right - left; \n"</span>);</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" t1 = max(fabs(right), fabs(left)) * precision; \n"</span>);</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span> </div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  source.append(<span class="stringliteral">" if (t0 < min(precision, t1)) \n"</span>);</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" lambda = computeMidpoint(left, right); \n"</span>);</div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>  source.append(<span class="stringliteral">" left = lambda; \n"</span>);</div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  source.append(<span class="stringliteral">" right = lambda; \n"</span>);</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span> </div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>  source.append(<span class="stringliteral">" converged = 1; \n"</span>);</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  source.append(<span class="stringliteral">" converged_all_threads = 0; \n"</span>);</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  source.append(<span class="stringliteral">" if (1 == converged_all_threads) \n"</span>);</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  source.append(<span class="stringliteral">" break; \n"</span>);</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  <span class="comment">// write data back to global memory</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  source.append(<span class="stringliteral">" if (gtid < num_intervals) \n"</span>);</div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  <span class="comment">// intervals converged so left and right interval limit are both identical</span></div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  <span class="comment">// and identical to the eigenvalue</span></div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  source.append(<span class="stringliteral">" g_left[gtid] = left; \n"</span>);</div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  }</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span> </div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>  <span class="comment">// Write data to global memory</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span> <span class="comment"></span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01673"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aaf9b91abeeeaf47b193c4a8a3d92af79"> 1673</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aaf9b91abeeeaf47b193c4a8a3d92af79">generate_bisect_kernel_writeToGmem</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  {</div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  source.append(<span class="stringliteral">" void writeToGmem(const unsigned int tid, const unsigned int tid_2, \n"</span>);</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  source.append(<span class="stringliteral">" const unsigned int num_blocks_mult, \n"</span>);</div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left_one, \n"</span>);</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right_one, \n"</span>);</div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  source.append(<span class="stringliteral">" __global unsigned int *g_pos_one, \n"</span>);</div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left_mult, \n"</span>);</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right_mult, \n"</span>);</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  source.append(<span class="stringliteral">" __global unsigned int *g_left_count_mult, \n"</span>);</div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>  source.append(<span class="stringliteral">" __global unsigned int *g_right_count_mult, \n"</span>);</div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>  source.append(<span class="stringliteral">" __local unsigned short *s_left_count, __local unsigned short *s_right_count, \n"</span>);</div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>  source.append(<span class="stringliteral">" __global unsigned int *g_blocks_mult, \n"</span>);</div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>  source.append(<span class="stringliteral">" __global unsigned int *g_blocks_mult_sum, \n"</span>);</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  source.append(<span class="stringliteral">" __local unsigned short *s_compaction_list, \n"</span>);</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_helper, \n"</span>);</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  source.append(<span class="stringliteral">" unsigned int offset_mult_lambda \n"</span>);</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span> </div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span> </div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  source.append(<span class="stringliteral">" if (tid < offset_mult_lambda) \n"</span>);</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span> </div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  source.append(<span class="stringliteral">" g_left_one[tid] = s_left[tid]; \n"</span>);</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  source.append(<span class="stringliteral">" g_right_one[tid] = s_right[tid]; \n"</span>);</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  <span class="comment">// right count can be used to order eigenvalues without sorting</span></div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  source.append(<span class="stringliteral">" g_pos_one[tid] = s_right_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span> </div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  source.append(<span class="stringliteral">" g_left_mult[tid - offset_mult_lambda] = s_left[tid]; \n"</span>);</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  source.append(<span class="stringliteral">" g_right_mult[tid - offset_mult_lambda] = s_right[tid]; \n"</span>);</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  source.append(<span class="stringliteral">" g_left_count_mult[tid - offset_mult_lambda] = s_left_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  source.append(<span class="stringliteral">" g_right_count_mult[tid - offset_mult_lambda] = s_right_count[tid]; \n"</span>);</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span> </div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span> </div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  source.append(<span class="stringliteral">" if (tid_2 < offset_mult_lambda) \n"</span>);</div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span> </div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>  source.append(<span class="stringliteral">" g_left_one[tid_2] = s_left[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  source.append(<span class="stringliteral">" g_right_one[tid_2] = s_right[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>  <span class="comment">// right count can be used to order eigenvalues without sorting</span></div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>  source.append(<span class="stringliteral">" g_pos_one[tid_2] = s_right_count[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span> </div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  source.append(<span class="stringliteral">" g_left_mult[tid_2 - offset_mult_lambda] = s_left[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  source.append(<span class="stringliteral">" g_right_mult[tid_2 - offset_mult_lambda] = s_right[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  source.append(<span class="stringliteral">" g_left_count_mult[tid_2 - offset_mult_lambda] = s_left_count[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  source.append(<span class="stringliteral">" g_right_count_mult[tid_2 - offset_mult_lambda] = s_right_count[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span> </div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  source.append(<span class="stringliteral">" } \n"</span>); <span class="comment">// end writing out data</span></div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span> </div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span> </div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  <span class="comment">// note that s_cl_blocking = s_compaction_list + 1;, that is by writing out</span></div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  <span class="comment">// s_compaction_list we write the exclusive scan result</span></div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  source.append(<span class="stringliteral">" if (tid <= num_blocks_mult) \n"</span>);</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  source.append(<span class="stringliteral">" g_blocks_mult[tid] = s_compaction_list[tid]; \n"</span>);</div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>  source.append(<span class="stringliteral">" g_blocks_mult_sum[tid] = s_cl_helper[tid]; \n"</span>);</div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  source.append(<span class="stringliteral">" if (tid_2 <= num_blocks_mult) \n"</span>);</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  source.append(<span class="stringliteral">" g_blocks_mult[tid_2] = s_compaction_list[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>  source.append(<span class="stringliteral">" g_blocks_mult_sum[tid_2] = s_cl_helper[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  }</div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span> </div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <span class="comment">// Perform final stream compaction before writing data to global memory</span></div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span> <span class="comment"></span></div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01765"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a54eb8a1e8a9e0077bd6b5108a62c5d19"> 1765</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a54eb8a1e8a9e0077bd6b5108a62c5d19">generate_bisect_kernel_compactStreamsFinal</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  {</div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  source.append(<span class="stringliteral">" compactStreamsFinal(const unsigned int tid, const unsigned int tid_2, \n"</span>);</div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  source.append(<span class="stringliteral">" __local unsigned int *offset_mult_lambda, \n"</span>);</div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_left, \n"</span>);</div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *s_right, \n"</span>);</div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>  source.append(<span class="stringliteral">" __local unsigned short *s_left_count, __local unsigned short *s_right_count, \n"</span>);</div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_one, __local unsigned short *s_cl_mult, \n"</span>);</div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_blocking, __local unsigned short *s_cl_helper, \n"</span>);</div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  source.append(<span class="stringliteral">" unsigned int is_one_lambda, unsigned int is_one_lambda_2, \n"</span>);</div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *left, \n"</span>);</div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *right, \n"</span>);</div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *left_2, \n"</span>);</div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *right_2, \n"</span>);</div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>  source.append(<span class="stringliteral">" unsigned int *left_count, unsigned int *right_count, \n"</span>);</div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  source.append(<span class="stringliteral">" unsigned int *left_count_2, unsigned int *right_count_2, \n"</span>);</div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>  source.append(<span class="stringliteral">" unsigned int c_block_iend, unsigned int c_sum_block, \n"</span>);</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  source.append(<span class="stringliteral">" unsigned int c_block_iend_2, unsigned int c_sum_block_2 \n"</span>);</div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span> </div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  <span class="comment">// cache data before performing compaction</span></div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  source.append(<span class="stringliteral">" *left = s_left[tid]; \n"</span>);</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  source.append(<span class="stringliteral">" *right = s_right[tid]; \n"</span>);</div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span> </div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  source.append(<span class="stringliteral">" *left_2 = s_left[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  source.append(<span class="stringliteral">" *right_2 = s_right[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span> </div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span> </div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  <span class="comment">// determine addresses for intervals containing multiple eigenvalues and</span></div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  <span class="comment">// addresses for blocks of intervals</span></div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  source.append(<span class="stringliteral">" unsigned int ptr_w = 0; \n"</span>);</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  source.append(<span class="stringliteral">" unsigned int ptr_w_2 = 0; \n"</span>);</div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>  source.append(<span class="stringliteral">" unsigned int ptr_blocking_w = 0; \n"</span>);</div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  source.append(<span class="stringliteral">" unsigned int ptr_blocking_w_2 = 0; \n"</span>);</div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span> </div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  source.append(<span class="stringliteral">" ptr_w = (1 == is_one_lambda) ? s_cl_one[tid] \n"</span>);</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  source.append(<span class="stringliteral">" : s_cl_mult[tid] + *offset_mult_lambda; \n"</span>);</div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span> </div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>  source.append(<span class="stringliteral">" if (0 != c_block_iend) \n"</span>);</div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  source.append(<span class="stringliteral">" ptr_blocking_w = s_cl_blocking[tid]; \n"</span>);</div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span> </div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>  source.append(<span class="stringliteral">" ptr_w_2 = (1 == is_one_lambda_2) ? s_cl_one[tid_2] \n"</span>);</div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  source.append(<span class="stringliteral">" : s_cl_mult[tid_2] + *offset_mult_lambda; \n"</span>);</div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span> </div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  source.append(<span class="stringliteral">" if (0 != c_block_iend_2) \n"</span>);</div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  source.append(<span class="stringliteral">" ptr_blocking_w_2 = s_cl_blocking[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  <span class="comment">// store compactly in shared mem</span></div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  source.append(<span class="stringliteral">" if(tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  source.append(<span class="stringliteral">" { \n "</span>);</div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  source.append(<span class="stringliteral">" s_left[ptr_w] = *left; \n"</span>);</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  source.append(<span class="stringliteral">" s_right[ptr_w] = *right; \n"</span>);</div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  source.append(<span class="stringliteral">" s_left_count[ptr_w] = *left_count; \n"</span>);</div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  source.append(<span class="stringliteral">" s_right_count[ptr_w] = *right_count; \n"</span>);</div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>  source.append(<span class="stringliteral">" } \n "</span>);</div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  source.append(<span class="stringliteral">" if(tid == 1) \n"</span>);</div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  source.append(<span class="stringliteral">" s_left[ptr_w] = *left; \n"</span>);</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  source.append(<span class="stringliteral">" s_right[ptr_w] = *right; \n"</span>);</div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>  source.append(<span class="stringliteral">" s_left_count[ptr_w] = *left_count; \n"</span>);</div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  source.append(<span class="stringliteral">" s_right_count[ptr_w] = *right_count; \n"</span>);</div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>  source.append(<span class="stringliteral">" if (0 != c_block_iend) \n"</span>);</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>  source.append(<span class="stringliteral">" s_cl_blocking[ptr_blocking_w + 1] = c_block_iend - 1; \n"</span>);</div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  source.append(<span class="stringliteral">" s_cl_helper[ptr_blocking_w + 1] = c_sum_block; \n"</span>);</div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>  <span class="comment">// store compactly in shared mem</span></div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  source.append(<span class="stringliteral">" s_left[ptr_w_2] = *left_2; \n"</span>);</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  source.append(<span class="stringliteral">" s_right[ptr_w_2] = *right_2; \n"</span>);</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  source.append(<span class="stringliteral">" s_left_count[ptr_w_2] = *left_count_2; \n"</span>);</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  source.append(<span class="stringliteral">" s_right_count[ptr_w_2] = *right_count_2; \n"</span>);</div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span> </div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>  source.append(<span class="stringliteral">" if (0 != c_block_iend_2) \n"</span>);</div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>  source.append(<span class="stringliteral">" s_cl_blocking[ptr_blocking_w_2 + 1] = c_block_iend_2 - 1; \n"</span>);</div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  source.append(<span class="stringliteral">" s_cl_helper[ptr_blocking_w_2 + 1] = c_sum_block_2; \n"</span>);</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span> </div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>  }</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span> </div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span> </div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span> </div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>  <span class="comment">// Compute addresses to obtain compact list of block start addresses</span></div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span> <span class="comment"></span></div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01887"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a26f080eb7ea68f015e49a438fc379234"> 1887</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a26f080eb7ea68f015e49a438fc379234">generate_bisect_kernel_scanCompactBlocksStartAddress</a>(StringType & source)</div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  {</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  source.append(<span class="stringliteral">" scanCompactBlocksStartAddress(const unsigned int tid, const unsigned int tid_2, \n"</span>);</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_compaction, \n"</span>);</div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_blocking, \n"</span>);</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_helper \n"</span>);</div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span> </div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>  <span class="comment">// prepare for second step of block generation: compaction of the block</span></div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>  <span class="comment">// list itself to efficiently write out these</span></div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>  source.append(<span class="stringliteral">" s_cl_blocking[tid] = s_cl_helper[tid]; \n"</span>);</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span> </div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_compaction) \n"</span>);</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  source.append(<span class="stringliteral">" s_cl_blocking[tid_2] = s_cl_helper[tid_2]; \n"</span>);</div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span> </div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span> </div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  <span class="comment">// additional scan to compact s_cl_blocking that permits to generate a</span></div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  <span class="comment">// compact list of eigenvalue blocks each one containing about</span></div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>  <span class="comment">// VIENNACL_BISECT_MAX_THREADS_BLOCK eigenvalues (so that each of these blocks may be</span></div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  <span class="comment">// processed by one thread block in a subsequent processing step</span></div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span> </div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  source.append(<span class="stringliteral">" unsigned int offset = 1; \n"</span>);</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span> </div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  <span class="comment">// build scan tree</span></div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  source.append(<span class="stringliteral">" for (int d = (num_threads_compaction >> 1); d > 0; d >>= 1) \n"</span>);</div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span> </div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span> </div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  source.append(<span class="stringliteral">" if (tid < d) \n"</span>);</div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span> </div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(2*tid+1)-1; \n"</span>);</div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  source.append(<span class="stringliteral">" unsigned int bi = offset*(2*tid+2)-1; \n"</span>);</div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  source.append(<span class="stringliteral">" s_cl_blocking[bi] = s_cl_blocking[bi] + s_cl_blocking[ai]; \n"</span>);</div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span> </div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  source.append(<span class="stringliteral">" offset <<= 1; \n"</span>);</div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span> </div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  <span class="comment">// traverse down tree: first down to level 2 across</span></div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>  source.append(<span class="stringliteral">" for (int d = 2; d < num_threads_compaction; d <<= 1) \n"</span>);</div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span> </div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  source.append(<span class="stringliteral">" offset >>= 1; \n"</span>);</div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span> </div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  <span class="comment">//</span></div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>  source.append(<span class="stringliteral">" if (tid < (d-1)) \n"</span>);</div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span> </div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(tid+1) - 1; \n"</span>);</div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>  source.append(<span class="stringliteral">" unsigned int bi = ai + (offset >> 1); \n"</span>);</div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  source.append(<span class="stringliteral">" s_cl_blocking[bi] = s_cl_blocking[bi] + s_cl_blocking[ai]; \n"</span>);</div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span> </div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span> </div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span> </div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>  }</div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span> </div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span> </div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>  <span class="comment">// Perform scan to obtain number of eigenvalues before a specific block</span></div>
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span> <span class="comment"></span></div>
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l01966"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ab8b686504d2dc5d3936226fe6ab4e3f4"> 1966</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ab8b686504d2dc5d3936226fe6ab4e3f4">generate_bisect_kernel_scanSumBlocks</a>(StringType & source)</div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>  {</div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>  source.append(<span class="stringliteral">" scanSumBlocks(const unsigned int tid, const unsigned int tid_2, \n"</span>);</div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_compaction, \n"</span>);</div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_blocking, \n"</span>);</div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_helper) \n"</span>);</div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span> </div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>  source.append(<span class="stringliteral">" unsigned int offset = 1; \n"</span>);</div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span> </div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  <span class="comment">// first step of scan to build the sum of elements within each block</span></div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  <span class="comment">// build up tree</span></div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  source.append(<span class="stringliteral">" for (int d = num_threads_compaction >> 1; d > 0; d >>= 1) \n"</span>);</div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span> </div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span> </div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>  source.append(<span class="stringliteral">" if (tid < d) \n"</span>);</div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span> </div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(2*tid+1)-1; \n"</span>);</div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>  source.append(<span class="stringliteral">" unsigned int bi = offset*(2*tid+2)-1; \n"</span>);</div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span> </div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>  source.append(<span class="stringliteral">" s_cl_blocking[bi] += s_cl_blocking[ai]; \n"</span>);</div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span> </div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>  source.append(<span class="stringliteral">" offset *= 2; \n"</span>);</div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span> </div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  <span class="comment">// first step of scan to build the sum of elements within each block</span></div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  <span class="comment">// traverse down tree</span></div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>  source.append(<span class="stringliteral">" for (int d = 2; d < (num_threads_compaction - 1); d <<= 1) \n"</span>);</div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span> </div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  source.append(<span class="stringliteral">" offset >>= 1; \n"</span>);</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span> </div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>  source.append(<span class="stringliteral">" if (tid < (d-1)) \n"</span>);</div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(tid+1) - 1; \n"</span>);</div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>  source.append(<span class="stringliteral">" unsigned int bi = ai + (offset >> 1); \n"</span>);</div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  source.append(<span class="stringliteral">" s_cl_blocking[bi] += s_cl_blocking[ai]; \n"</span>);</div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span> </div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span> </div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>  <span class="comment">// move last element of scan to last element that is valid</span></div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>  <span class="comment">// necessary because the number of threads employed for scan is a power</span></div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  <span class="comment">// of two and not necessarily the number of active threasd</span></div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>  source.append(<span class="stringliteral">" s_cl_helper[num_threads_active - 1] = \n"</span>);</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>  source.append(<span class="stringliteral">" s_cl_helper[num_threads_compaction - 1]; \n"</span>);</div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  source.append(<span class="stringliteral">" s_cl_blocking[num_threads_active - 1] = \n"</span>);</div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>  source.append(<span class="stringliteral">" s_cl_blocking[num_threads_compaction - 1]; \n"</span>);</div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span> </div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span> </div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>  }</div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span> </div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>  <span class="comment">// Perform initial scan for compaction of intervals containing one and</span></div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  <span class="comment">// multiple eigenvalues; also do initial scan to build blocks</span></div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span> <span class="comment"></span></div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l02042"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a49cc986d68fd621ccf5d358d8ebf3faf"> 2042</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a49cc986d68fd621ccf5d358d8ebf3faf">generate_bisect_kernel_scanInitial</a>(StringType & source)</div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>  {</div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>  source.append(<span class="stringliteral">" scanInitial(const unsigned int tid, const unsigned int tid_2, const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_active, \n"</span>);</div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>  source.append(<span class="stringliteral">" const unsigned int num_threads_compaction, \n"</span>);</div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_one, __local unsigned short *s_cl_mult, \n"</span>);</div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_blocking, __local unsigned short *s_cl_helper \n"</span>);</div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span> </div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span> </div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>  <span class="comment">// perform scan to compactly write out the intervals containing one and</span></div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>  <span class="comment">// multiple eigenvalues</span></div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>  <span class="comment">// also generate tree for blocking of intervals containing multiple</span></div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>  <span class="comment">// eigenvalues</span></div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span> </div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>  source.append(<span class="stringliteral">" unsigned int offset = 1; \n"</span>);</div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span> </div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>  <span class="comment">// build scan tree</span></div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>  source.append(<span class="stringliteral">" for (int d = (num_threads_compaction >> 1); d > 0; d >>= 1) \n"</span>);</div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span> </div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span> </div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>  source.append(<span class="stringliteral">" if (tid < d) \n"</span>);</div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span> </div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(2*tid+1); \n"</span>);</div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>  source.append(<span class="stringliteral">" unsigned int bi = offset*(2*tid+2)-1; \n"</span>);</div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span> </div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>  source.append(<span class="stringliteral">" s_cl_one[bi] = s_cl_one[bi] + s_cl_one[ai - 1]; \n"</span>);</div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>  source.append(<span class="stringliteral">" s_cl_mult[bi] = s_cl_mult[bi] + s_cl_mult[ai - 1]; \n"</span>);</div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span> </div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>  <span class="comment">// s_cl_helper is binary and zero for an internal node and 1 for a</span></div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>  <span class="comment">// root node of a tree corresponding to a block</span></div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>  <span class="comment">// s_cl_blocking contains the number of nodes in each sub-tree at each</span></div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>  <span class="comment">// iteration, the data has to be kept to compute the total number of</span></div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>  <span class="comment">// eigenvalues per block that, in turn, is needed to efficiently</span></div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>  <span class="comment">// write out data in the second step</span></div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>  source.append(<span class="stringliteral">" if ((s_cl_helper[ai - 1] != 1) || (s_cl_helper[bi] != 1)) \n"</span>);</div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span> </div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>  <span class="comment">// check how many childs are non terminated</span></div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>  source.append(<span class="stringliteral">" if (s_cl_helper[ai - 1] == 1) \n"</span>);</div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>  <span class="comment">// mark as terminated</span></div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>  source.append(<span class="stringliteral">" s_cl_helper[bi] = 1; \n"</span>);</div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>  source.append(<span class="stringliteral">" else if (s_cl_helper[bi] == 1) \n"</span>);</div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>  <span class="comment">// mark as terminated</span></div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>  source.append(<span class="stringliteral">" s_cl_helper[ai - 1] = 1; \n"</span>);</div>
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>  source.append(<span class="stringliteral">" else \n"</span>); <span class="comment">// both childs are non-terminated</span></div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span> </div>
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>  source.append(<span class="stringliteral">" unsigned int temp = s_cl_blocking[bi] + s_cl_blocking[ai - 1]; \n"</span>);</div>
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span> </div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  source.append(<span class="stringliteral">" if (temp > (n > 512 ? VIENNACL_BISECT_MAX_THREADS_BLOCK : VIENNACL_BISECT_MAX_THREADS_BLOCK / 2)) \n"</span>);</div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span> </div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  <span class="comment">// the two child trees have to form separate blocks, terminate trees</span></div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span>  source.append(<span class="stringliteral">" s_cl_helper[ai - 1] = 1; \n"</span>);</div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>  source.append(<span class="stringliteral">" s_cl_helper[bi] = 1; \n"</span>);</div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>  <span class="comment">// build up tree by joining subtrees</span></div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>  source.append(<span class="stringliteral">" s_cl_blocking[bi] = temp; \n"</span>);</div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>  source.append(<span class="stringliteral">" s_cl_blocking[ai - 1] = 0; \n"</span>);</div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>  source.append(<span class="stringliteral">" } \n"</span>); <span class="comment">// end s_cl_helper update</span></div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>  source.append(<span class="stringliteral">" offset <<= 1; \n"</span>);</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span> </div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span> </div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  <span class="comment">// traverse down tree, this only for stream compaction, not for block</span></div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  <span class="comment">// construction</span></div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>  source.append(<span class="stringliteral">" for (int d = 2; d < num_threads_compaction; d <<= 1) \n"</span>);</div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>  source.append(<span class="stringliteral">" offset >>= 1; \n"</span>);</div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>  <span class="comment">//</span></div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>  source.append(<span class="stringliteral">" if (tid < (d-1)) \n"</span>);</div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>  source.append(<span class="stringliteral">" unsigned int ai = offset*(tid+1) - 1; \n"</span>);</div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>  source.append(<span class="stringliteral">" unsigned int bi = ai + (offset >> 1); \n"</span>);</div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>  source.append(<span class="stringliteral">" s_cl_one[bi] = s_cl_one[bi] + s_cl_one[ai]; \n"</span>);</div>
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>  source.append(<span class="stringliteral">" s_cl_mult[bi] = s_cl_mult[bi] + s_cl_mult[ai]; \n"</span>);</div>
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>  }</div>
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span> </div>
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>  <span class="comment">// Bisection to find eigenvalues of a real, symmetric, and tridiagonal matrix</span></div>
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>  <span class="comment">//</span></div>
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>  <span class="comment">// g_d diagonal elements in global memory</span></div>
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>  <span class="comment">// g_s superdiagonal elements in global elements (stored so that the element *(g_s - 1) can be accessed an equals 0</span></div>
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>  <span class="comment">// n size of matrix</span></div>
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>  <span class="comment">// lg lower bound of input interval (e.g. Gerschgorin interval)</span></div>
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>  <span class="comment">// ug upper bound of input interval (e.g. Gerschgorin interval)</span></div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>  <span class="comment">// lg_eig_count number of eigenvalues that are smaller than \a lg</span></div>
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>  <span class="comment">// lu_eig_count number of eigenvalues that are smaller than \a lu</span></div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>  <span class="comment">// epsilon desired accuracy of eigenvalues to compute</span></div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span> <span class="comment"></span></div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l02159"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a4b1c1b444ac75cf63c74841f757f3be1"> 2159</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a4b1c1b444ac75cf63c74841f757f3be1">generate_bisect_kernel_bisectKernelLarge</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>  {</div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>  source.append(<span class="stringliteral">" __kernel \n"</span>);</div>
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>  source.append(<span class="stringliteral">" void \n"</span>);</div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span>  source.append(<span class="stringliteral">" bisectKernelLarge(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_d, \n"</span>);</div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_s, \n"</span>);</div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>  source.append(<span class="stringliteral">" const unsigned int n, \n"</span>);</div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" lg, \n"</span>);</div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>  source.append(<span class="stringliteral">" const "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ug, \n"</span>);</div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>  source.append(<span class="stringliteral">" const unsigned int lg_eig_count, \n"</span>);</div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>  source.append(<span class="stringliteral">" const unsigned int ug_eig_count, \n"</span>);</div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" epsilon, \n"</span>);</div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>  source.append(<span class="stringliteral">" __global unsigned int *g_num_one, \n"</span>);</div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>  source.append(<span class="stringliteral">" __global unsigned int *g_num_blocks_mult, \n"</span>);</div>
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left_one, \n"</span>);</div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right_one, \n"</span>);</div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>  source.append(<span class="stringliteral">" __global unsigned int *g_pos_one, \n"</span>);</div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_left_mult, \n"</span>);</div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" *g_right_mult, \n"</span>);</div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>  source.append(<span class="stringliteral">" __global unsigned int *g_left_count_mult, \n"</span>);</div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>  source.append(<span class="stringliteral">" __global unsigned int *g_right_count_mult, \n"</span>);</div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>  source.append(<span class="stringliteral">" __global unsigned int *g_blocks_mult, \n"</span>);</div>
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>  source.append(<span class="stringliteral">" __global unsigned int *g_blocks_mult_sum \n"</span>);</div>
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>  source.append(<span class="stringliteral">" g_s = g_s + 1; \n"</span>);</div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span> </div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>  source.append(<span class="stringliteral">" const unsigned int tid = lcl_id; \n"</span>);</div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span> </div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span>  <span class="comment">// intervals (store left and right because the subdivision tree is in general</span></div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span>  <span class="comment">// not dense</span></div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_left[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" s_right[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span> </div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span>  <span class="comment">// number of eigenvalues that are smaller than s_left / s_right</span></div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>  <span class="comment">// (correspondence is realized via indices)</span></div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span>  source.append(<span class="stringliteral">" __local unsigned short s_left_count[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>  source.append(<span class="stringliteral">" __local unsigned short s_right_count[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span> </div>
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>  <span class="comment">// helper for stream compaction</span></div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  source.append(<span class="stringliteral">" __local unsigned short s_compaction_list[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span> </div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  <span class="comment">// state variables for whole block</span></div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>  <span class="comment">// if 0 then compaction of second chunk of child intervals is not necessary</span></div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>  <span class="comment">// (because all intervals had exactly one non-dead child)</span></div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>  source.append(<span class="stringliteral">" __local unsigned int compact_second_chunk; \n"</span>);</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>  <span class="comment">// if 1 then all threads are converged</span></div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span>  source.append(<span class="stringliteral">" __local unsigned int all_threads_converged; \n"</span>);</div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span> </div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>  <span class="comment">// number of currently active threads</span></div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  source.append(<span class="stringliteral">" __local unsigned int num_threads_active; \n"</span>);</div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span> </div>
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <span class="comment">// number of threads to use for stream compaction</span></div>
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>  source.append(<span class="stringliteral">" __local unsigned int num_threads_compaction; \n"</span>);</div>
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span> </div>
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span>  <span class="comment">// helper for exclusive scan</span></div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  source.append(<span class="stringliteral">" __local unsigned short *s_compaction_list_exc = s_compaction_list + 1; \n"</span>);</div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span> </div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span>  <span class="comment">// variables for currently processed interval</span></div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>  <span class="comment">// left and right limit of active interval</span></div>
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left = 0.0f; \n"</span>);</div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" right = 0.0f; \n"</span>);</div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span>  source.append(<span class="stringliteral">" unsigned int left_count = 0; \n"</span>);</div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span>  source.append(<span class="stringliteral">" unsigned int right_count = 0; \n"</span>);</div>
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>  <span class="comment">// midpoint of active interval</span></div>
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" mid = 0.0f; \n"</span>);</div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span>  <span class="comment">// number of eigenvalues smaller then mid</span></div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>  source.append(<span class="stringliteral">" unsigned int mid_count = 0; \n"</span>);</div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>  <span class="comment">// helper for stream compaction (tracking of threads generating second child)</span></div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>  source.append(<span class="stringliteral">" unsigned int is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span> </div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>  <span class="comment">// initialize lists</span></div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>  source.append(<span class="stringliteral">" s_compaction_list[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span>  source.append(<span class="stringliteral">" s_left[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>  source.append(<span class="stringliteral">" s_right[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span>  source.append(<span class="stringliteral">" s_left_count[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  source.append(<span class="stringliteral">" s_right_count[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span> </div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span> </div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>  <span class="comment">// set up initial configuration</span></div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span> </div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  source.append(<span class="stringliteral">" s_left[0] = lg; \n"</span>);</div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>  source.append(<span class="stringliteral">" s_right[0] = ug; \n"</span>);</div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  source.append(<span class="stringliteral">" s_left_count[0] = lg_eig_count; \n"</span>);</div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>  source.append(<span class="stringliteral">" s_right_count[0] = ug_eig_count; \n"</span>);</div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span> </div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>  source.append(<span class="stringliteral">" compact_second_chunk = 0; \n"</span>);</div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  source.append(<span class="stringliteral">" num_threads_active = 1; \n"</span>);</div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span> </div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  source.append(<span class="stringliteral">" num_threads_compaction = 1; \n"</span>);</div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span> </div>
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>  source.append(<span class="stringliteral">" all_threads_converged = 1; \n"</span>);</div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span> </div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span> </div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>  <span class="comment">// for all active threads read intervals from the last level</span></div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>  <span class="comment">// the number of (worst case) active threads per level l is 2^l</span></div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span>  <span class="comment">// determine coarse intervals. On these intervals the kernel for one or for multiple eigenvalues</span></div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>  <span class="comment">// will be executed in the second step</span></div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span>  source.append(<span class="stringliteral">" while( true ) \n"</span>);</div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02269"></a><span class="lineno"> 2269</span>  source.append(<span class="stringliteral">" s_compaction_list[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02270"></a><span class="lineno"> 2270</span>  source.append(<span class="stringliteral">" s_compaction_list[tid + VIENNACL_BISECT_MAX_THREADS_BLOCK] = 0; \n"</span>);</div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span>  source.append(<span class="stringliteral">" s_compaction_list[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK] = 0; \n"</span>);</div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span>  source.append(<span class="stringliteral">" subdivideActiveIntervalShort(tid, s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span>  source.append(<span class="stringliteral">" num_threads_active, \n"</span>);</div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>  source.append(<span class="stringliteral">" &left, &right, &left_count, &right_count, \n"</span>);</div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>  source.append(<span class="stringliteral">" &mid, &all_threads_converged); \n"</span>);</div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span> </div>
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span> </div>
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span>  <span class="comment">// check if done</span></div>
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>  source.append(<span class="stringliteral">" if (1 == all_threads_converged) \n"</span>);</div>
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>  source.append(<span class="stringliteral">" break; \n"</span>);</div>
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span> </div>
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>  <span class="comment">// compute number of eigenvalues smaller than mid</span></div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>  <span class="comment">// use all threads for reading the necessary matrix data from global</span></div>
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span>  <span class="comment">// memory</span></div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span>  <span class="comment">// use s_left and s_right as scratch space for diagonal and</span></div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>  <span class="comment">// superdiagonal of matrix</span></div>
<div class="line"><a name="l02290"></a><span class="lineno"> 2290</span>  source.append(<span class="stringliteral">" mid_count = computeNumSmallerEigenvalsLarge(g_d, g_s, n, \n"</span>);</div>
<div class="line"><a name="l02291"></a><span class="lineno"> 2291</span>  source.append(<span class="stringliteral">" mid, lcl_id, \n"</span>);</div>
<div class="line"><a name="l02292"></a><span class="lineno"> 2292</span>  source.append(<span class="stringliteral">" num_threads_active, \n"</span>);</div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span>  source.append(<span class="stringliteral">" s_left, s_right, \n"</span>);</div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span>  source.append(<span class="stringliteral">" (left == right)); \n"</span>);</div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span> </div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span> </div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  <span class="comment">// store intervals</span></div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>  <span class="comment">// for all threads store the first child interval in a continuous chunk of</span></div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>  <span class="comment">// memory, and the second child interval -- if it exists -- in a second</span></div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span>  <span class="comment">// chunk; it is likely that all threads reach convergence up to</span></div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>  <span class="comment">// \a epsilon at the same level; furthermore, for higher level most / all</span></div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>  <span class="comment">// threads will have only one child, storing the first child compactly will</span></div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span>  <span class="comment">// (first) avoid to perform a compaction step on the first chunk, (second)</span></div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  <span class="comment">// make it for higher levels (when all threads / intervals have</span></div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>  <span class="comment">// exactly one child) unnecessary to perform a compaction of the second</span></div>
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span>  <span class="comment">// chunk</span></div>
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>  source.append(<span class="stringliteral">" if (tid < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span> </div>
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>  source.append(<span class="stringliteral">" if (left != right) \n"</span>);</div>
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span> </div>
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span>  <span class="comment">// store intervals</span></div>
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span>  source.append(<span class="stringliteral">" storeNonEmptyIntervalsLarge(tid, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>  source.append(<span class="stringliteral">" s_left, s_right, \n"</span>);</div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>  source.append(<span class="stringliteral">" s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  source.append(<span class="stringliteral">" left, mid, right, \n"</span>);</div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>  source.append(<span class="stringliteral">" left_count, mid_count, right_count, \n"</span>);</div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  source.append(<span class="stringliteral">" epsilon, &compact_second_chunk, \n"</span>);</div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>  source.append(<span class="stringliteral">" s_compaction_list_exc, \n"</span>);</div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  source.append(<span class="stringliteral">" &is_active_second); \n"</span>);</div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>  source.append(<span class="stringliteral">" else \n"</span>);</div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span> </div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>  <span class="comment">// re-write converged interval (has to be stored again because s_left</span></div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>  <span class="comment">// and s_right are used as scratch space for</span></div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span>  <span class="comment">// computeNumSmallerEigenvalsLarge()</span></div>
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>  source.append(<span class="stringliteral">" s_left[tid] = left; \n"</span>);</div>
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span>  source.append(<span class="stringliteral">" s_right[tid] = left; \n"</span>);</div>
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>  source.append(<span class="stringliteral">" s_left_count[tid] = left_count; \n"</span>);</div>
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>  source.append(<span class="stringliteral">" s_right_count[tid] = right_count; \n"</span>);</div>
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span> </div>
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span>  source.append(<span class="stringliteral">" is_active_second = 0; \n"</span>);</div>
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span> </div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>  <span class="comment">// necessary so that compact_second_chunk is up-to-date</span></div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span> </div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>  <span class="comment">// perform compaction of chunk where second children are stored</span></div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>  <span class="comment">// scan of (num_threads_active / 2) elements, thus at most</span></div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>  <span class="comment">// (num_threads_active / 4) threads are needed</span></div>
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>  source.append(<span class="stringliteral">" if (compact_second_chunk > 0) \n"</span>);</div>
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span> </div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>  <span class="comment">// create indices for compaction</span></div>
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>  source.append(<span class="stringliteral">" createIndicesCompactionShort(s_compaction_list_exc, num_threads_compaction); \n"</span>);</div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>  source.append(<span class="stringliteral">" if (compact_second_chunk > 0) \n"</span>);</div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>  source.append(<span class="stringliteral">" compactIntervalsShort(s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>  source.append(<span class="stringliteral">" mid, right, mid_count, right_count, \n"</span>);</div>
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span>  source.append(<span class="stringliteral">" s_compaction_list, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>  source.append(<span class="stringliteral">" is_active_second); \n"</span>);</div>
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span> </div>
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span> </div>
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span>  <span class="comment">// update state variables</span></div>
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span> </div>
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span>  <span class="comment">// update number of active threads with result of reduction</span></div>
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span>  source.append(<span class="stringliteral">" num_threads_active += s_compaction_list[num_threads_active]; \n"</span>);</div>
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span>  source.append(<span class="stringliteral">" num_threads_compaction = ceilPow2(num_threads_active); \n"</span>);</div>
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span> </div>
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span>  source.append(<span class="stringliteral">" compact_second_chunk = 0; \n"</span>);</div>
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span>  source.append(<span class="stringliteral">" all_threads_converged = 1; \n"</span>);</div>
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span>  source.append(<span class="stringliteral">" if (num_threads_compaction > lcl_sz) \n"</span>);</div>
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span>  source.append(<span class="stringliteral">" break; \n"</span>);</div>
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span> </div>
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span>  <span class="comment">// generate two lists of intervals; one with intervals that contain one</span></div>
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>  <span class="comment">// eigenvalue (or are converged), and one with intervals that need further</span></div>
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>  <span class="comment">// subdivision</span></div>
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span> </div>
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>  <span class="comment">// perform two scans in parallel</span></div>
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span> </div>
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>  source.append(<span class="stringliteral">" unsigned int left_count_2; \n"</span>);</div>
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>  source.append(<span class="stringliteral">" unsigned int right_count_2; \n"</span>);</div>
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span> </div>
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span>  source.append(<span class="stringliteral">" unsigned int tid_2 = tid + lcl_sz; \n"</span>);</div>
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span> </div>
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>  <span class="comment">// cache in per thread registers so that s_left_count and s_right_count</span></div>
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>  <span class="comment">// can be used for scans</span></div>
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>  source.append(<span class="stringliteral">" left_count = s_left_count[tid]; \n"</span>);</div>
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>  source.append(<span class="stringliteral">" right_count = s_right_count[tid]; \n"</span>);</div>
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span> </div>
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>  <span class="comment">// some threads have to cache data for two intervals</span></div>
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>  source.append(<span class="stringliteral">" left_count_2 = s_left_count[tid_2]; \n"</span>);</div>
<div class="line"><a name="l02402"></a><span class="lineno"> 2402</span>  source.append(<span class="stringliteral">" right_count_2 = s_right_count[tid_2]; \n"</span>);</div>
<div class="line"><a name="l02403"></a><span class="lineno"> 2403</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02404"></a><span class="lineno"> 2404</span> </div>
<div class="line"><a name="l02405"></a><span class="lineno"> 2405</span>  <span class="comment">// compaction list for intervals containing one and multiple eigenvalues</span></div>
<div class="line"><a name="l02406"></a><span class="lineno"> 2406</span>  <span class="comment">// do not affect first element for exclusive scan</span></div>
<div class="line"><a name="l02407"></a><span class="lineno"> 2407</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_one = s_left_count + 1; \n"</span>);</div>
<div class="line"><a name="l02408"></a><span class="lineno"> 2408</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_mult = s_right_count + 1; \n"</span>);</div>
<div class="line"><a name="l02409"></a><span class="lineno"> 2409</span> </div>
<div class="line"><a name="l02410"></a><span class="lineno"> 2410</span>  <span class="comment">// compaction list for generating blocks of intervals containing multiple</span></div>
<div class="line"><a name="l02411"></a><span class="lineno"> 2411</span>  <span class="comment">// eigenvalues</span></div>
<div class="line"><a name="l02412"></a><span class="lineno"> 2412</span>  source.append(<span class="stringliteral">" __local unsigned short *s_cl_blocking = s_compaction_list_exc; \n"</span>);</div>
<div class="line"><a name="l02413"></a><span class="lineno"> 2413</span>  <span class="comment">// helper compaction list for generating blocks of intervals</span></div>
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</span>  source.append(<span class="stringliteral">" __local unsigned short s_cl_helper[2 * VIENNACL_BISECT_MAX_THREADS_BLOCK + 1]; \n"</span>);</div>
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span> </div>
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>  <span class="comment">// set to 0 for exclusive scan</span></div>
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>  source.append(<span class="stringliteral">" s_left_count[0] = 0; \n"</span>);</div>
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>  source.append(<span class="stringliteral">" s_right_count[0] = 0; \n"</span>);</div>
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span> </div>
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span> </div>
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>  <span class="comment">// flag if interval contains one or multiple eigenvalues</span></div>
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span>  source.append(<span class="stringliteral">" unsigned int is_one_lambda = 0; \n"</span>);</div>
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span>  source.append(<span class="stringliteral">" unsigned int is_one_lambda_2 = 0; \n"</span>);</div>
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span> </div>
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>  <span class="comment">// number of eigenvalues in the interval</span></div>
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span>  source.append(<span class="stringliteral">" unsigned int multiplicity = right_count - left_count; \n"</span>);</div>
<div class="line"><a name="l02432"></a><span class="lineno"> 2432</span>  source.append(<span class="stringliteral">" is_one_lambda = (1 == multiplicity); \n"</span>);</div>
<div class="line"><a name="l02433"></a><span class="lineno"> 2433</span> </div>
<div class="line"><a name="l02434"></a><span class="lineno"> 2434</span>  source.append(<span class="stringliteral">" s_cl_one[tid] = is_one_lambda; \n"</span>);</div>
<div class="line"><a name="l02435"></a><span class="lineno"> 2435</span>  source.append(<span class="stringliteral">" s_cl_mult[tid] = (! is_one_lambda); \n"</span>);</div>
<div class="line"><a name="l02436"></a><span class="lineno"> 2436</span> </div>
<div class="line"><a name="l02437"></a><span class="lineno"> 2437</span>  <span class="comment">// (note: s_cl_blocking is non-zero only where s_cl_mult[] is non-zero)</span></div>
<div class="line"><a name="l02438"></a><span class="lineno"> 2438</span>  source.append(<span class="stringliteral">" s_cl_blocking[tid] = (1 == is_one_lambda) ? 0 : multiplicity; \n"</span>);</div>
<div class="line"><a name="l02439"></a><span class="lineno"> 2439</span>  source.append(<span class="stringliteral">" s_cl_helper[tid] = 0; \n"</span>);</div>
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span> </div>
<div class="line"><a name="l02441"></a><span class="lineno"> 2441</span>  source.append(<span class="stringliteral">" if (tid_2 < num_threads_active) \n"</span>);</div>
<div class="line"><a name="l02442"></a><span class="lineno"> 2442</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02443"></a><span class="lineno"> 2443</span> </div>
<div class="line"><a name="l02444"></a><span class="lineno"> 2444</span>  source.append(<span class="stringliteral">" unsigned int multiplicity = right_count_2 - left_count_2; \n"</span>);</div>
<div class="line"><a name="l02445"></a><span class="lineno"> 2445</span>  source.append(<span class="stringliteral">" is_one_lambda_2 = (1 == multiplicity); \n"</span>);</div>
<div class="line"><a name="l02446"></a><span class="lineno"> 2446</span> </div>
<div class="line"><a name="l02447"></a><span class="lineno"> 2447</span>  source.append(<span class="stringliteral">" s_cl_one[tid_2] = is_one_lambda_2; \n"</span>);</div>
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>  source.append(<span class="stringliteral">" s_cl_mult[tid_2] = (! is_one_lambda_2); \n"</span>);</div>
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span> </div>
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>  <span class="comment">// (note: s_cl_blocking is non-zero only where s_cl_mult[] is non-zero)</span></div>
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>  source.append(<span class="stringliteral">" s_cl_blocking[tid_2] = (1 == is_one_lambda_2) ? 0 : multiplicity; \n"</span>);</div>
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>  source.append(<span class="stringliteral">" s_cl_helper[tid_2] = 0; \n"</span>);</div>
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>  source.append(<span class="stringliteral">" else if (tid_2 < (2 * (n > 512 ? VIENNACL_BISECT_MAX_THREADS_BLOCK : VIENNACL_BISECT_MAX_THREADS_BLOCK / 2) + 1)) \n"</span>);</div>
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span> </div>
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>  <span class="comment">// clear</span></div>
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span>  source.append(<span class="stringliteral">" s_cl_blocking[tid_2] = 0; \n"</span>);</div>
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span>  source.append(<span class="stringliteral">" s_cl_helper[tid_2] = 0; \n"</span>);</div>
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02461"></a><span class="lineno"> 2461</span> </div>
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span> </div>
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>  source.append(<span class="stringliteral">" scanInitial(tid, tid_2, n, num_threads_active, num_threads_compaction, \n"</span>);</div>
<div class="line"><a name="l02464"></a><span class="lineno"> 2464</span>  source.append(<span class="stringliteral">" s_cl_one, s_cl_mult, s_cl_blocking, s_cl_helper); \n"</span>);</div>
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</span> </div>
<div class="line"><a name="l02468"></a><span class="lineno"> 2468</span>  source.append(<span class="stringliteral">" scanSumBlocks(tid, tid_2, num_threads_active, \n"</span>);</div>
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>  source.append(<span class="stringliteral">" num_threads_compaction, s_cl_blocking, s_cl_helper); \n"</span>);</div>
<div class="line"><a name="l02470"></a><span class="lineno"> 2470</span> </div>
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>  <span class="comment">// end down sweep of scan</span></div>
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02473"></a><span class="lineno"> 2473</span> </div>
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>  source.append(<span class="stringliteral">" unsigned int c_block_iend = 0; \n"</span>);</div>
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span>  source.append(<span class="stringliteral">" unsigned int c_block_iend_2 = 0; \n"</span>);</div>
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>  source.append(<span class="stringliteral">" unsigned int c_sum_block = 0; \n"</span>);</div>
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>  source.append(<span class="stringliteral">" unsigned int c_sum_block_2 = 0; \n"</span>);</div>
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span> </div>
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span>  <span class="comment">// for each thread / interval that corresponds to root node of interval block</span></div>
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>  <span class="comment">// store start address of block and total number of eigenvalues in all blocks</span></div>
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span>  <span class="comment">// before this block (particular thread is irrelevant, constraint is to</span></div>
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span>  <span class="comment">// have a subset of threads so that one and only one of them is in each</span></div>
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>  <span class="comment">// interval)</span></div>
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>  source.append(<span class="stringliteral">" if (1 == s_cl_helper[tid]) \n"</span>);</div>
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span> </div>
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>  source.append(<span class="stringliteral">" c_block_iend = s_cl_mult[tid] + 1; \n"</span>);</div>
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>  source.append(<span class="stringliteral">" c_sum_block = s_cl_blocking[tid]; \n"</span>);</div>
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span> </div>
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span>  source.append(<span class="stringliteral">" if (1 == s_cl_helper[tid_2]) \n"</span>);</div>
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span> </div>
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>  source.append(<span class="stringliteral">" c_block_iend_2 = s_cl_mult[tid_2] + 1; \n"</span>);</div>
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>  source.append(<span class="stringliteral">" c_sum_block_2 = s_cl_blocking[tid_2]; \n"</span>);</div>
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span> </div>
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span>  source.append(<span class="stringliteral">" scanCompactBlocksStartAddress(tid, tid_2, num_threads_compaction, \n"</span>);</div>
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>  source.append(<span class="stringliteral">" s_cl_blocking, s_cl_helper); \n"</span>);</div>
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span> </div>
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span> </div>
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>  <span class="comment">// finished second scan for s_cl_blocking</span></div>
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span> </div>
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>  <span class="comment">// determine the global results</span></div>
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>  source.append(<span class="stringliteral">" __local unsigned int num_blocks_mult; \n"</span>);</div>
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span>  source.append(<span class="stringliteral">" __local unsigned int num_mult; \n"</span>);</div>
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>  source.append(<span class="stringliteral">" __local unsigned int offset_mult_lambda; \n"</span>);</div>
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span> </div>
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span> </div>
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>  source.append(<span class="stringliteral">" num_blocks_mult = s_cl_blocking[num_threads_active - 1]; \n"</span>);</div>
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span>  source.append(<span class="stringliteral">" offset_mult_lambda = s_cl_one[num_threads_active - 1]; \n"</span>);</div>
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span>  source.append(<span class="stringliteral">" num_mult = s_cl_mult[num_threads_active - 1]; \n"</span>);</div>
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</span> </div>
<div class="line"><a name="l02517"></a><span class="lineno"> 2517</span>  source.append(<span class="stringliteral">" *g_num_one = offset_mult_lambda; \n"</span>);</div>
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span>  source.append(<span class="stringliteral">" *g_num_blocks_mult = num_blocks_mult; \n"</span>);</div>
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span> </div>
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span> </div>
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" left_2, right_2; \n"</span>);</div>
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>  source.append(<span class="stringliteral">" --s_cl_one; \n"</span>);</div>
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span>  source.append(<span class="stringliteral">" --s_cl_mult; \n"</span>);</div>
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>  source.append(<span class="stringliteral">" --s_cl_blocking; \n"</span>);</div>
<div class="line"><a name="l02527"></a><span class="lineno"> 2527</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02529"></a><span class="lineno"> 2529</span>  source.append(<span class="stringliteral">" compactStreamsFinal(tid, tid_2, num_threads_active, &offset_mult_lambda, \n"</span>);</div>
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>  source.append(<span class="stringliteral">" s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span>  source.append(<span class="stringliteral">" s_cl_one, s_cl_mult, s_cl_blocking, s_cl_helper, \n"</span>);</div>
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>  source.append(<span class="stringliteral">" is_one_lambda, is_one_lambda_2, \n"</span>);</div>
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span>  source.append(<span class="stringliteral">" &left, &right, &left_2, &right_2, \n"</span>);</div>
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span>  source.append(<span class="stringliteral">" &left_count, &right_count, &left_count_2, &right_count_2, \n"</span>);</div>
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span>  source.append(<span class="stringliteral">" c_block_iend, c_sum_block, c_block_iend_2, c_sum_block_2 \n"</span>);</div>
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span>  source.append(<span class="stringliteral">" ); \n"</span>);</div>
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span> </div>
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span> </div>
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span>  <span class="comment">// final adjustment before writing out data to global memory</span></div>
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span>  source.append(<span class="stringliteral">" if (0 == tid) \n"</span>);</div>
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>  source.append(<span class="stringliteral">" s_cl_blocking[num_blocks_mult] = num_mult; \n"</span>);</div>
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>  source.append(<span class="stringliteral">" s_cl_helper[0] = 0; \n"</span>);</div>
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span> </div>
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE) ; \n"</span>);</div>
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span> </div>
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span>  <span class="comment">// write to global memory</span></div>
<div class="line"><a name="l02550"></a><span class="lineno"> 2550</span>  source.append(<span class="stringliteral">" writeToGmem(tid, tid_2, num_threads_active, num_blocks_mult, \n"</span>);</div>
<div class="line"><a name="l02551"></a><span class="lineno"> 2551</span>  source.append(<span class="stringliteral">" g_left_one, g_right_one, g_pos_one, \n"</span>);</div>
<div class="line"><a name="l02552"></a><span class="lineno"> 2552</span>  source.append(<span class="stringliteral">" g_left_mult, g_right_mult, g_left_count_mult, g_right_count_mult, \n"</span>);</div>
<div class="line"><a name="l02553"></a><span class="lineno"> 2553</span>  source.append(<span class="stringliteral">" s_left, s_right, s_left_count, s_right_count, \n"</span>);</div>
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span>  source.append(<span class="stringliteral">" g_blocks_mult, g_blocks_mult_sum, \n"</span>);</div>
<div class="line"><a name="l02555"></a><span class="lineno"> 2555</span>  source.append(<span class="stringliteral">" s_compaction_list, s_cl_helper, offset_mult_lambda); \n"</span>);</div>
<div class="line"><a name="l02556"></a><span class="lineno"> 2556</span>  source.append(<span class="stringliteral">" \n"</span>);</div>
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span> </div>
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l02559"></a><span class="lineno"> 2559</span>  }</div>
<div class="line"><a name="l02560"></a><span class="lineno"> 2560</span> </div>
<div class="line"><a name="l02561"></a><span class="lineno"> 2561</span>  <span class="comment">// main kernel class</span></div>
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span> <span class="comment"></span> <span class="keyword">template</span> <<span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l02566"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html"> 2566</a></span>  <span class="keyword">struct </span><a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html">bisect_kernel</a></div>
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span>  {</div>
<div class="line"><a name="l02568"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa1828c35426f5bc0e0a6362485b3abd5"> 2568</a></span>  <span class="keyword">static</span> std::string <a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa1828c35426f5bc0e0a6362485b3abd5">program_name</a>()</div>
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</span>  {</div>
<div class="line"><a name="l02570"></a><span class="lineno"> 2570</span>  <span class="keywordflow">return</span> <a class="code" href="structviennacl_1_1ocl_1_1type__to__string.html">viennacl::ocl::type_to_string<NumericT>::apply</a>() + <span class="stringliteral">"_bisect_kernel"</span>;</div>
<div class="line"><a name="l02571"></a><span class="lineno"> 2571</span>  }</div>
<div class="line"><a name="l02572"></a><span class="lineno"> 2572</span> </div>
<div class="line"><a name="l02573"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa40f65d3b3f9c310df10e21ef3f6cbc1"> 2573</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa40f65d3b3f9c310df10e21ef3f6cbc1">init</a>(<a class="code" href="classviennacl_1_1ocl_1_1context.html">viennacl::ocl::context</a> & ctx)</div>
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span>  {</div>
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span>  <a class="code" href="structviennacl_1_1ocl_1_1_d_o_u_b_l_e___p_r_e_c_i_s_i_o_n___c_h_e_c_k_e_r.html#ae23d18c854e1df43cd329a5c1fdd6d9f">viennacl::ocl::DOUBLE_PRECISION_CHECKER<NumericT>::apply</a>(ctx);</div>
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span>  std::string numeric_string = <a class="code" href="structviennacl_1_1ocl_1_1type__to__string.html">viennacl::ocl::type_to_string<NumericT>::apply</a>();</div>
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span> </div>
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>  <span class="keyword">static</span> std::map<cl_context, bool> init_done;</div>
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span>  <span class="keywordflow">if</span> (!init_done[ctx.<a class="code" href="classviennacl_1_1ocl_1_1context.html#a611d95b11db04230f63e37bfeae911db">handle</a>().<a class="code" href="classviennacl_1_1ocl_1_1handle.html#a5074caaee700015fc2d3b03540b01673">get</a>()])</div>
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span>  {</div>
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span>  std::string source;</div>
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span>  source.reserve(8192);</div>
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span> </div>
<div class="line"><a name="l02584"></a><span class="lineno"> 2584</span>  viennacl::ocl::append_double_precision_pragma<NumericT>(ctx, source);</div>
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span> </div>
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>  <span class="comment">// only generate for floating points (forces error for integers)</span></div>
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>  <span class="keywordflow">if</span> (numeric_string == <span class="stringliteral">"float"</span> || numeric_string == <span class="stringliteral">"double"</span>)</div>
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>  {</div>
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span>  <span class="comment">//functions used from bisect_util.cpp</span></div>
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a5dda99b34ad4350282b37e516ad43d90">generate_bisect_kernel_config</a>(source);</div>
<div class="line"><a name="l02591"></a><span class="lineno"> 2591</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a7b378daca265ef32c0cab788bc5d6fda">generate_bisect_kernel_floorPow2</a>(source, numeric_string);</div>
<div class="line"><a name="l02592"></a><span class="lineno"> 2592</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a930bf5582d6407ead9532a49a51714be">generate_bisect_kernel_ceilPow2</a>(source, numeric_string);</div>
<div class="line"><a name="l02593"></a><span class="lineno"> 2593</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71b55d82d86e52a36f7a980e1e1cb60f">generate_bisect_kernel_computeMidpoint</a>(source, numeric_string);</div>
<div class="line"><a name="l02594"></a><span class="lineno"> 2594</span> </div>
<div class="line"><a name="l02595"></a><span class="lineno"> 2595</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a567689e2cd00785a357a79c9f38eab65">generate_bisect_kernel_storeInterval</a>(source, numeric_string);</div>
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aff62149c62908e2fa37bfbf85a4a5cdf">generate_bisect_kernel_storeIntervalShort</a>(source, numeric_string);</div>
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</span> </div>
<div class="line"><a name="l02598"></a><span class="lineno"> 2598</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd7b8f4a45a0a33a994c89589efd9cf0">generate_bisect_kernel_computeNumSmallerEigenvals</a>(source, numeric_string);</div>
<div class="line"><a name="l02599"></a><span class="lineno"> 2599</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ae8638f026e01f96697536552db93212f">generate_bisect_kernel_computeNumSmallerEigenvalsLarge</a>(source, numeric_string);</div>
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span> </div>
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aad695fe296aa9e3b6a0dc4c472ad0cd3">generate_bisect_kernel_storeNonEmptyIntervals</a>(source, numeric_string);</div>
<div class="line"><a name="l02602"></a><span class="lineno"> 2602</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a1caa05ae768ebecd644418202f23cb3b">generate_bisect_kernel_storeNonEmptyIntervalsLarge</a>(source, numeric_string);</div>
<div class="line"><a name="l02603"></a><span class="lineno"> 2603</span> </div>
<div class="line"><a name="l02604"></a><span class="lineno"> 2604</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af493d04690d488d12a9e8b5b671bfce2">generate_bisect_kernel_createIndicesCompaction</a>(source);</div>
<div class="line"><a name="l02605"></a><span class="lineno"> 2605</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a46499210dd90f5a0c50806ea5db1a185">generate_bisect_kernel_createIndicesCompactionShort</a>(source);</div>
<div class="line"><a name="l02606"></a><span class="lineno"> 2606</span> </div>
<div class="line"><a name="l02607"></a><span class="lineno"> 2607</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3b5db806d7e384d6384205815cb49f6e">generate_bisect_kernel_compactIntervals</a>(source, numeric_string);</div>
<div class="line"><a name="l02608"></a><span class="lineno"> 2608</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a4b8d5d1e1da364345b4846035dde7c">generate_bisect_kernel_compactIntervalsShort</a>(source, numeric_string);</div>
<div class="line"><a name="l02609"></a><span class="lineno"> 2609</span> </div>
<div class="line"><a name="l02610"></a><span class="lineno"> 2610</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3bf5e9e8c82f0301f0866dce841a8118">generate_bisect_kernel_storeIntervalConverged</a>(source, numeric_string);</div>
<div class="line"><a name="l02611"></a><span class="lineno"> 2611</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abc6b25fb3693f18d024c5a1615852428">generate_bisect_kernel_storeIntervalConvergedShort</a>(source, numeric_string);</div>
<div class="line"><a name="l02612"></a><span class="lineno"> 2612</span> </div>
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af691d922a1d82dbc23382b2b3042366b">generate_bisect_kernel_subdivideActiveInterval</a>(source, numeric_string);</div>
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a364186fe09148b1b12c83a472f19d745">generate_bisect_kernel_subdivideActiveIntervalShort</a>(source, numeric_string);</div>
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span> </div>
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a983cf94c8567dab6900a9d5f936bcb2f">generate_bisect_kernel_bisectKernel</a>(source, numeric_string);</div>
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a616e5afb93ae1f2c59fcb93aa99a53">generate_bisect_kernel_bisectKernelLarge_MultIntervals</a>(source, numeric_string);</div>
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a48bea4f56f9bc4d20db56ab72fb31238">generate_bisect_kernel_bisectKernelLarge_OneIntervals</a>(source, numeric_string);</div>
<div class="line"><a name="l02619"></a><span class="lineno"> 2619</span> </div>
<div class="line"><a name="l02620"></a><span class="lineno"> 2620</span> </div>
<div class="line"><a name="l02621"></a><span class="lineno"> 2621</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aaf9b91abeeeaf47b193c4a8a3d92af79">generate_bisect_kernel_writeToGmem</a>(source, numeric_string);</div>
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a54eb8a1e8a9e0077bd6b5108a62c5d19">generate_bisect_kernel_compactStreamsFinal</a>(source, numeric_string);</div>
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a26f080eb7ea68f015e49a438fc379234">generate_bisect_kernel_scanCompactBlocksStartAddress</a>(source);</div>
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ab8b686504d2dc5d3936226fe6ab4e3f4">generate_bisect_kernel_scanSumBlocks</a>(source);</div>
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a49cc986d68fd621ccf5d358d8ebf3faf">generate_bisect_kernel_scanInitial</a>(source);</div>
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a4b1c1b444ac75cf63c74841f757f3be1">generate_bisect_kernel_bisectKernelLarge</a>(source, numeric_string);</div>
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span> </div>
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span> </div>
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span>  }</div>
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span> </div>
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span>  std::string prog_name = <a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa1828c35426f5bc0e0a6362485b3abd5">program_name</a>();</div>
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span> <span class="preprocessor"> #ifdef VIENNACL_BUILD_INFO</span></div>
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>  std::cout << <span class="stringliteral">"Creating program "</span> << prog_name << std::endl;</div>
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span>  ctx.add_program(source, prog_name);</div>
<div class="line"><a name="l02636"></a><span class="lineno"> 2636</span>  init_done[ctx.handle().get()] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l02637"></a><span class="lineno"> 2637</span>  } <span class="comment">//if</span></div>
<div class="line"><a name="l02638"></a><span class="lineno"> 2638</span>  } <span class="comment">//init</span></div>
<div class="line"><a name="l02639"></a><span class="lineno"> 2639</span>  };</div>
<div class="line"><a name="l02640"></a><span class="lineno"> 2640</span> }</div>
<div class="line"><a name="l02641"></a><span class="lineno"> 2641</span> }</div>
<div class="line"><a name="l02642"></a><span class="lineno"> 2642</span> }</div>
<div class="line"><a name="l02643"></a><span class="lineno"> 2643</span> }</div>
<div class="line"><a name="l02644"></a><span class="lineno"> 2644</span> </div>
<div class="line"><a name="l02645"></a><span class="lineno"> 2645</span> <span class="preprocessor">#endif // #ifndef _BISECT_KERNEL_LARGE_H_</span></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a2a616e5afb93ae1f2c59fcb93aa99a53"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a616e5afb93ae1f2c59fcb93aa99a53">viennacl::linalg::opencl::kernels::generate_bisect_kernel_bisectKernelLarge_MultIntervals</a></div><div class="ttdeci">void generate_bisect_kernel_bisectKernelLarge_MultIntervals(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01317">bisect.hpp:1317</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_aaf9b91abeeeaf47b193c4a8a3d92af79"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aaf9b91abeeeaf47b193c4a8a3d92af79">viennacl::linalg::opencl::kernels::generate_bisect_kernel_writeToGmem</a></div><div class="ttdeci">void generate_bisect_kernel_writeToGmem(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01673">bisect.hpp:1673</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel_html_aa40f65d3b3f9c310df10e21ef3f6cbc1"><div class="ttname"><a href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa40f65d3b3f9c310df10e21ef3f6cbc1">viennacl::linalg::opencl::kernels::bisect_kernel::init</a></div><div class="ttdeci">static void init(viennacl::ocl::context &ctx)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l02573">bisect.hpp:2573</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a983cf94c8567dab6900a9d5f936bcb2f"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a983cf94c8567dab6900a9d5f936bcb2f">viennacl::linalg::opencl::kernels::generate_bisect_kernel_bisectKernel</a></div><div class="ttdeci">void generate_bisect_kernel_bisectKernel(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01085">bisect.hpp:1085</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_af691d922a1d82dbc23382b2b3042366b"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af691d922a1d82dbc23382b2b3042366b">viennacl::linalg::opencl::kernels::generate_bisect_kernel_subdivideActiveInterval</a></div><div class="ttdeci">void generate_bisect_kernel_subdivideActiveInterval(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00971">bisect.hpp:971</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a7b378daca265ef32c0cab788bc5d6fda"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a7b378daca265ef32c0cab788bc5d6fda">viennacl::linalg::opencl::kernels::generate_bisect_kernel_floorPow2</a></div><div class="ttdeci">void generate_bisect_kernel_floorPow2(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00066">bisect.hpp:66</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a4b1c1b444ac75cf63c74841f757f3be1"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a4b1c1b444ac75cf63c74841f757f3be1">viennacl::linalg::opencl::kernels::generate_bisect_kernel_bisectKernelLarge</a></div><div class="ttdeci">void generate_bisect_kernel_bisectKernelLarge(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l02159">bisect.hpp:2159</a></div></div>
<div class="ttc" id="platform_8hpp_html"><div class="ttname"><a href="platform_8hpp.html">platform.hpp</a></div><div class="ttdoc">Implements a OpenCL platform within ViennaCL. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a46499210dd90f5a0c50806ea5db1a185"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a46499210dd90f5a0c50806ea5db1a185">viennacl::linalg::opencl::kernels::generate_bisect_kernel_createIndicesCompactionShort</a></div><div class="ttdeci">void generate_bisect_kernel_createIndicesCompactionShort(StringType &source)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00667">bisect.hpp:667</a></div></div>
<div class="ttc" id="tools_8hpp_html"><div class="ttname"><a href="tools_8hpp.html">tools.hpp</a></div><div class="ttdoc">Various little tools used here and there in ViennaCL. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a54eb8a1e8a9e0077bd6b5108a62c5d19"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a54eb8a1e8a9e0077bd6b5108a62c5d19">viennacl::linalg::opencl::kernels::generate_bisect_kernel_compactStreamsFinal</a></div><div class="ttdeci">void generate_bisect_kernel_compactStreamsFinal(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01765">bisect.hpp:1765</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1context_html"><div class="ttname"><a href="classviennacl_1_1ocl_1_1context.html">viennacl::ocl::context</a></div><div class="ttdoc">Manages an OpenCL context and provides the respective convenience functions for creating buffers...</div><div class="ttdef"><b>Definition:</b> <a href="ocl_2context_8hpp_source.html#l00055">context.hpp:55</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a3b5db806d7e384d6384205815cb49f6e"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3b5db806d7e384d6384205815cb49f6e">viennacl::linalg::opencl::kernels::generate_bisect_kernel_compactIntervals</a></div><div class="ttdeci">void generate_bisect_kernel_compactIntervals(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00743">bisect.hpp:743</a></div></div>
<div class="ttc" id="ocl_2utils_8hpp_html"><div class="ttname"><a href="ocl_2utils_8hpp.html">utils.hpp</a></div><div class="ttdoc">Provides OpenCL-related utilities. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a2a4b8d5d1e1da364345b4846035dde7c"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2a4b8d5d1e1da364345b4846035dde7c">viennacl::linalg::opencl::kernels::generate_bisect_kernel_compactIntervalsShort</a></div><div class="ttdeci">void generate_bisect_kernel_compactIntervalsShort(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00783">bisect.hpp:783</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_abc6b25fb3693f18d024c5a1615852428"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abc6b25fb3693f18d024c5a1615852428">viennacl::linalg::opencl::kernels::generate_bisect_kernel_storeIntervalConvergedShort</a></div><div class="ttdeci">void generate_bisect_kernel_storeIntervalConvergedShort(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00890">bisect.hpp:890</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1context_html_a611d95b11db04230f63e37bfeae911db"><div class="ttname"><a href="classviennacl_1_1ocl_1_1context.html#a611d95b11db04230f63e37bfeae911db">viennacl::ocl::context::handle</a></div><div class="ttdeci">const viennacl::ocl::handle< cl_context > & handle() const </div><div class="ttdoc">Returns the context handle. </div><div class="ttdef"><b>Definition:</b> <a href="ocl_2context_8hpp_source.html#l00611">context.hpp:611</a></div></div>
<div class="ttc" id="linalg_2opencl_2common_8hpp_html"><div class="ttname"><a href="linalg_2opencl_2common_8hpp.html">common.hpp</a></div><div class="ttdoc">Common implementations shared by OpenCL-based operations. </div></div>
<div class="ttc" id="structviennacl_1_1ocl_1_1_d_o_u_b_l_e___p_r_e_c_i_s_i_o_n___c_h_e_c_k_e_r_html_ae23d18c854e1df43cd329a5c1fdd6d9f"><div class="ttname"><a href="structviennacl_1_1ocl_1_1_d_o_u_b_l_e___p_r_e_c_i_s_i_o_n___c_h_e_c_k_e_r.html#ae23d18c854e1df43cd329a5c1fdd6d9f">viennacl::ocl::DOUBLE_PRECISION_CHECKER::apply</a></div><div class="ttdeci">static void apply(viennacl::ocl::context const &)</div><div class="ttdef"><b>Definition:</b> <a href="ocl_2utils_8hpp_source.html#l00040">utils.hpp:40</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_af493d04690d488d12a9e8b5b671bfce2"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#af493d04690d488d12a9e8b5b671bfce2">viennacl::linalg::opencl::kernels::generate_bisect_kernel_createIndicesCompaction</a></div><div class="ttdeci">void generate_bisect_kernel_createIndicesCompaction(StringType &source)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00604">bisect.hpp:604</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel_html_aa1828c35426f5bc0e0a6362485b3abd5"><div class="ttname"><a href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html#aa1828c35426f5bc0e0a6362485b3abd5">viennacl::linalg::opencl::kernels::bisect_kernel::program_name</a></div><div class="ttdeci">static std::string program_name()</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l02568">bisect.hpp:2568</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1handle_html_a5074caaee700015fc2d3b03540b01673"><div class="ttname"><a href="classviennacl_1_1ocl_1_1handle.html#a5074caaee700015fc2d3b03540b01673">viennacl::ocl::handle::get</a></div><div class="ttdeci">const OCL_TYPE & get() const </div><div class="ttdef"><b>Definition:</b> <a href="ocl_2handle_8hpp_source.html#l00191">handle.hpp:191</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a930bf5582d6407ead9532a49a51714be"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a930bf5582d6407ead9532a49a51714be">viennacl::linalg::opencl::kernels::generate_bisect_kernel_ceilPow2</a></div><div class="ttdeci">void generate_bisect_kernel_ceilPow2(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00099">bisect.hpp:99</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a26f080eb7ea68f015e49a438fc379234"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a26f080eb7ea68f015e49a438fc379234">viennacl::linalg::opencl::kernels::generate_bisect_kernel_scanCompactBlocksStartAddress</a></div><div class="ttdeci">void generate_bisect_kernel_scanCompactBlocksStartAddress(StringType &source)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01887">bisect.hpp:1887</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_ae8638f026e01f96697536552db93212f"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ae8638f026e01f96697536552db93212f">viennacl::linalg::opencl::kernels::generate_bisect_kernel_computeNumSmallerEigenvalsLarge</a></div><div class="ttdeci">void generate_bisect_kernel_computeNumSmallerEigenvalsLarge(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00367">bisect.hpp:367</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a71b55d82d86e52a36f7a980e1e1cb60f"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71b55d82d86e52a36f7a980e1e1cb60f">viennacl::linalg::opencl::kernels::generate_bisect_kernel_computeMidpoint</a></div><div class="ttdeci">void generate_bisect_kernel_computeMidpoint(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00133">bisect.hpp:133</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_aad695fe296aa9e3b6a0dc4c472ad0cd3"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aad695fe296aa9e3b6a0dc4c472ad0cd3">viennacl::linalg::opencl::kernels::generate_bisect_kernel_storeNonEmptyIntervals</a></div><div class="ttdeci">void generate_bisect_kernel_storeNonEmptyIntervals(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00456">bisect.hpp:456</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a5dda99b34ad4350282b37e516ad43d90"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a5dda99b34ad4350282b37e516ad43d90">viennacl::linalg::opencl::kernels::generate_bisect_kernel_config</a></div><div class="ttdeci">void generate_bisect_kernel_config(StringType &source)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00050">bisect.hpp:50</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a364186fe09148b1b12c83a472f19d745"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a364186fe09148b1b12c83a472f19d745">viennacl::linalg::opencl::kernels::generate_bisect_kernel_subdivideActiveIntervalShort</a></div><div class="ttdeci">void generate_bisect_kernel_subdivideActiveIntervalShort(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01023">bisect.hpp:1023</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_acd7b8f4a45a0a33a994c89589efd9cf0"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd7b8f4a45a0a33a994c89589efd9cf0">viennacl::linalg::opencl::kernels::generate_bisect_kernel_computeNumSmallerEigenvals</a></div><div class="ttdeci">void generate_bisect_kernel_computeNumSmallerEigenvals(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00295">bisect.hpp:295</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_aff62149c62908e2fa37bfbf85a4a5cdf"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aff62149c62908e2fa37bfbf85a4a5cdf">viennacl::linalg::opencl::kernels::generate_bisect_kernel_storeIntervalShort</a></div><div class="ttdeci">void generate_bisect_kernel_storeIntervalShort(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00228">bisect.hpp:228</a></div></div>
<div class="ttc" id="kernel_8hpp_html"><div class="ttname"><a href="kernel_8hpp.html">kernel.hpp</a></div><div class="ttdoc">Representation of an OpenCL kernel in ViennaCL. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_ab8b686504d2dc5d3936226fe6ab4e3f4"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ab8b686504d2dc5d3936226fe6ab4e3f4">viennacl::linalg::opencl::kernels::generate_bisect_kernel_scanSumBlocks</a></div><div class="ttdeci">void generate_bisect_kernel_scanSumBlocks(StringType &source)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01966">bisect.hpp:1966</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a49cc986d68fd621ccf5d358d8ebf3faf"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a49cc986d68fd621ccf5d358d8ebf3faf">viennacl::linalg::opencl::kernels::generate_bisect_kernel_scanInitial</a></div><div class="ttdeci">void generate_bisect_kernel_scanInitial(StringType &source)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l02042">bisect.hpp:2042</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a1caa05ae768ebecd644418202f23cb3b"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a1caa05ae768ebecd644418202f23cb3b">viennacl::linalg::opencl::kernels::generate_bisect_kernel_storeNonEmptyIntervalsLarge</a></div><div class="ttdeci">void generate_bisect_kernel_storeNonEmptyIntervalsLarge(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00531">bisect.hpp:531</a></div></div>
<div class="ttc" id="structviennacl_1_1ocl_1_1type__to__string_html"><div class="ttname"><a href="structviennacl_1_1ocl_1_1type__to__string.html">viennacl::ocl::type_to_string</a></div><div class="ttdoc">Helper class for converting a type to its string representation. </div><div class="ttdef"><b>Definition:</b> <a href="ocl_2utils_8hpp_source.html#l00057">utils.hpp:57</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a567689e2cd00785a357a79c9f38eab65"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a567689e2cd00785a357a79c9f38eab65">viennacl::linalg::opencl::kernels::generate_bisect_kernel_storeInterval</a></div><div class="ttdeci">void generate_bisect_kernel_storeInterval(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00178">bisect.hpp:178</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel_html"><div class="ttname"><a href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1bisect__kernel.html">viennacl::linalg::opencl::kernels::bisect_kernel</a></div><div class="ttdoc">Main kernel class for the generation of the bisection kernels and utilities. </div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l02566">bisect.hpp:2566</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a48bea4f56f9bc4d20db56ab72fb31238"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a48bea4f56f9bc4d20db56ab72fb31238">viennacl::linalg::opencl::kernels::generate_bisect_kernel_bisectKernelLarge_OneIntervals</a></div><div class="ttdeci">void generate_bisect_kernel_bisectKernelLarge_OneIntervals(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l01555">bisect.hpp:1555</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a3bf5e9e8c82f0301f0866dce841a8118"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3bf5e9e8c82f0301f0866dce841a8118">viennacl::linalg::opencl::kernels::generate_bisect_kernel_storeIntervalConverged</a></div><div class="ttdeci">void generate_bisect_kernel_storeIntervalConverged(StringType &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2bisect_8hpp_source.html#l00822">bisect.hpp:822</a></div></div>
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