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<div class="title">opencl.cpp</div> </div>
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<a href="opencl_8cpp.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="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> TU Wien.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Portions of this software are copyright by UChicago Argonne, LLC.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> ViennaCL - The Vienna Computing Library</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"> Project Head: Karl Rupp rupp@iue.tuwien.ac.at</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"> (A list of authors and contributors can be found in the PDF manual)</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> License: MIT (X11), see file LICENSE in the base directory</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">============================================================================= */</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">/*</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> <span class="comment">* Benchmark: Profiling performance of current OpenCL implementation</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">*</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifndef NDEBUG</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="opencl_8cpp.html#a8de3ed741dadc9c979a4ff17c0a9116e"> 26</a></span> <span class="preprocessor"> #define NDEBUG</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="opencl_8cpp.html#a017c0eee41b5f529d1e9a9492c171fe2"> 30</a></span> <span class="preprocessor"> #define VIENNACL_WITH_OPENCL</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "<a class="code" href="scalar_8hpp.html">viennacl/scalar.hpp</a>"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="vector_8hpp.html">viennacl/vector.hpp</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="matrix_8hpp.html">viennacl/matrix.hpp</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "<a class="code" href="compressed__matrix_8hpp.html">viennacl/compressed_matrix.hpp</a>"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "<a class="code" href="timer_8hpp.html">viennacl/tools/timer.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="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">using</span> std::cout;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">using</span> std::cin;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">using</span> std::endl;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417"> 47</a></span> <span class="preprocessor">#define BENCHMARK_VECTOR_SIZE 100000</span></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> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">template</span><<span class="keyword">typename</span> ScalarType></div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="opencl_8cpp.html#a3c8d8d5c04fe6deddae061ef4d5945d5"> 51</a></span> <span class="keywordtype">int</span> <a class="code" href="opencl_8cpp.html#a3c8d8d5c04fe6deddae061ef4d5945d5">run_benchmark</a>()</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classviennacl_1_1tools_1_1timer.html">viennacl::tools::timer</a> timer;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">double</span> exec_time;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  std::vector<ScalarType> std_vec1(<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>);</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="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="namespaceviennacl_1_1ocl.html#ac7871671987d322a8766aea79b1cd17a">viennacl::ocl::get_queue</a>().<a class="code" href="classviennacl_1_1ocl_1_1command__queue.html#ae2e51d158444a51341af30cebc5cf88b">finish</a>();</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">start</a>();</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classviennacl_1_1scalar.html">viennacl::scalar<ScalarType></a> vcl_s1;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  exec_time = timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">get</a>();</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::cout << <span class="stringliteral">"Time for building scalar kernels: "</span> << exec_time << std::endl;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">start</a>();</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<ScalarType></a> vcl_vec1(<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  exec_time = timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">get</a>();</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<ScalarType></a> vcl_vec2(<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::cout << <span class="stringliteral">"Time for building vector kernels: "</span> << exec_time << std::endl;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">start</a>();</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classviennacl_1_1matrix.html">viennacl::matrix<ScalarType></a> vcl_matrix(<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>/100, <a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>/100);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  exec_time = timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">get</a>();</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  std::cout << <span class="stringliteral">"Time for building matrix kernels: "</span> << exec_time << std::endl;</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>  timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">start</a>();</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classviennacl_1_1compressed__matrix.html">viennacl::compressed_matrix<ScalarType></a> vcl_compressed_matrix(<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>, <a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  exec_time = timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">get</a>();</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::cout << <span class="stringliteral">"Time for building compressed_matrix kernels: "</span> << exec_time << std::endl;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  std_vec1[0] = 1.0;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">for</span> (std::size_t i=1; i<<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>; ++i)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  std_vec1[i] = std_vec1[i-1] * <a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a>(1.000001);</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>  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(std_vec1, vcl_vec1);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">double</span> std_accumulate = 0;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">double</span> vcl_accumulate = 0;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">start</a>();</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">for</span> (std::size_t i=0; i<<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>; ++i)</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  std_accumulate += std_vec1[i];</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  exec_time = timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">get</a>();</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  std::cout << <span class="stringliteral">"Time for "</span> << BENCHMARK_VECTOR_SIZE << <span class="stringliteral">" entry accesses on host: "</span> << exec_time << std::endl;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  std::cout << <span class="stringliteral">"Time per entry: "</span> << exec_time / BENCHMARK_VECTOR_SIZE << std::endl;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  std::cout << <span class="stringliteral">"Result of operation on host: "</span> << std_accumulate << std::endl;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  vcl_accumulate = vcl_vec1[0];</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="namespaceviennacl_1_1ocl.html#ac7871671987d322a8766aea79b1cd17a">viennacl::ocl::get_queue</a>().<a class="code" href="classviennacl_1_1ocl_1_1command__queue.html#ae2e51d158444a51341af30cebc5cf88b">finish</a>();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  vcl_accumulate = 0;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">start</a>();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">for</span> (std::size_t i=0; i<<a class="code" href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a>; ++i)</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  vcl_accumulate += vcl_vec1[i];</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  exec_time = timer.<a class="code" href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">get</a>();</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::cout << <span class="stringliteral">"Time for "</span> << BENCHMARK_VECTOR_SIZE << <span class="stringliteral">" entry accesses via OpenCL: "</span> << exec_time << std::endl;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  std::cout << <span class="stringliteral">"Time per entry: "</span> << exec_time / BENCHMARK_VECTOR_SIZE << std::endl;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  std::cout << <span class="stringliteral">"Result of operation via OpenCL: "</span> << vcl_accumulate << std::endl;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</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"><a class="line" href="opencl_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 118</a></span> <span class="keywordtype">int</span> <a class="code" href="opencl_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>()</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::cout << std::endl;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  std::cout << <span class="stringliteral">"----------------------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  std::cout << <span class="stringliteral">" Device Info"</span> << std::endl;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::cout << <span class="stringliteral">"----------------------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  std::cout << <a class="code" href="namespaceviennacl_1_1ocl.html#ac54d59a74deaccec81f64e738b856348">viennacl::ocl::current_device</a>().<a class="code" href="classviennacl_1_1ocl_1_1device.html#a26a424782f982725453808a94763bd19">info</a>() << std::endl;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  std::cout << std::endl;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::cout << <span class="stringliteral">"----------------------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  std::cout << <span class="stringliteral">"----------------------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  std::cout << <span class="stringliteral">"## Benchmark :: OpenCL performance"</span> << std::endl;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::cout << <span class="stringliteral">"----------------------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::cout << std::endl;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  std::cout << <span class="stringliteral">" -------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  std::cout << <span class="stringliteral">" # benchmarking single-precision"</span> << std::endl;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  std::cout << <span class="stringliteral">" -------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  run_benchmark<float>();</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> ( <a class="code" href="namespaceviennacl_1_1ocl.html#ac54d59a74deaccec81f64e738b856348">viennacl::ocl::current_device</a>().<a class="code" href="classviennacl_1_1ocl_1_1device.html#a5182025f56c76de6770e26b14165b00a">double_support</a>() )</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  std::cout << std::endl;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  std::cout << <span class="stringliteral">" -------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::cout << <span class="stringliteral">" # benchmarking double-precision"</span> << std::endl;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  std::cout << <span class="stringliteral">" -------------------------------"</span> << std::endl;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  run_benchmark<double>();</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> 0;</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> </div>
<div class="ttc" id="classviennacl_1_1tools_1_1timer_html"><div class="ttname"><a href="classviennacl_1_1tools_1_1timer.html">viennacl::tools::timer</a></div><div class="ttdoc">Simple timer class based on gettimeofday (POSIX) or QueryPerformanceCounter (Windows). </div><div class="ttdef"><b>Definition:</b> <a href="timer_8hpp_source.html#l00090">timer.hpp:90</a></div></div>
<div class="ttc" id="classviennacl_1_1scalar_html"><div class="ttname"><a href="classviennacl_1_1scalar.html">viennacl::scalar</a></div><div class="ttdoc">This class represents a single scalar value on the GPU and behaves mostly like a built-in scalar type...</div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00227">forwards.h:227</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1command__queue_html_ae2e51d158444a51341af30cebc5cf88b"><div class="ttname"><a href="classviennacl_1_1ocl_1_1command__queue.html#ae2e51d158444a51341af30cebc5cf88b">viennacl::ocl::command_queue::finish</a></div><div class="ttdeci">void finish() const </div><div class="ttdoc">Waits until all kernels in the queue have finished their execution. </div><div class="ttdef"><b>Definition:</b> <a href="command__queue_8hpp_source.html#l00070">command_queue.hpp:70</a></div></div>
<div class="ttc" id="opencl_8cpp_html_a3c8d8d5c04fe6deddae061ef4d5945d5"><div class="ttname"><a href="opencl_8cpp.html#a3c8d8d5c04fe6deddae061ef4d5945d5">run_benchmark</a></div><div class="ttdeci">int run_benchmark()</div><div class="ttdef"><b>Definition:</b> <a href="opencl_8cpp_source.html#l00051">opencl.cpp:51</a></div></div>
<div class="ttc" id="matrix_8hpp_html"><div class="ttname"><a href="matrix_8hpp.html">matrix.hpp</a></div><div class="ttdoc">Implementation of the dense matrix class. </div></div>
<div class="ttc" id="classviennacl_1_1matrix_html"><div class="ttname"><a href="classviennacl_1_1matrix.html">viennacl::matrix</a></div><div class="ttdoc">A dense matrix class. </div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00375">forwards.h:375</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1ocl_html_ac54d59a74deaccec81f64e738b856348"><div class="ttname"><a href="namespaceviennacl_1_1ocl.html#ac54d59a74deaccec81f64e738b856348">viennacl::ocl::current_device</a></div><div class="ttdeci">viennacl::ocl::device const & current_device()</div><div class="ttdoc">Convenience function for returning the active device in the current context. </div><div class="ttdef"><b>Definition:</b> <a href="backend_8hpp_source.html#l00351">backend.hpp:351</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1device_html_a26a424782f982725453808a94763bd19"><div class="ttname"><a href="classviennacl_1_1ocl_1_1device.html#a26a424782f982725453808a94763bd19">viennacl::ocl::device::info</a></div><div class="ttdeci">std::string info(vcl_size_t indent=0, char indent_char= ' ') const </div><div class="ttdoc">Returns an info string with a few properties of the device. Use full_info() to get all details...</div><div class="ttdef"><b>Definition:</b> <a href="device_8hpp_source.html#l00995">device.hpp:995</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1ocl_html_ac7871671987d322a8766aea79b1cd17a"><div class="ttname"><a href="namespaceviennacl_1_1ocl.html#ac7871671987d322a8766aea79b1cd17a">viennacl::ocl::get_queue</a></div><div class="ttdeci">viennacl::ocl::command_queue & get_queue()</div><div class="ttdoc">Convenience function for getting the default queue for the currently active device in the active cont...</div><div class="ttdef"><b>Definition:</b> <a href="backend_8hpp_source.html#l00320">backend.hpp:320</a></div></div>
<div class="ttc" id="compressed__matrix_8hpp_html"><div class="ttname"><a href="compressed__matrix_8hpp.html">compressed_matrix.hpp</a></div><div class="ttdoc">Implementation of the compressed_matrix class. </div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1device_html_a5182025f56c76de6770e26b14165b00a"><div class="ttname"><a href="classviennacl_1_1ocl_1_1device.html#a5182025f56c76de6770e26b14165b00a">viennacl::ocl::device::double_support</a></div><div class="ttdeci">bool double_support() const </div><div class="ttdoc">ViennaCL convenience function: Returns true if the device supports double precision. </div><div class="ttdef"><b>Definition:</b> <a href="device_8hpp_source.html#l00956">device.hpp:956</a></div></div>
<div class="ttc" id="classviennacl_1_1vector_html"><div class="ttname"><a href="classviennacl_1_1vector.html">viennacl::vector< ScalarType ></a></div></div>
<div class="ttc" id="timer_8hpp_html"><div class="ttname"><a href="timer_8hpp.html">timer.hpp</a></div><div class="ttdoc">A simple, yet (mostly) sufficiently accurate timer for benchmarking and profiling. </div></div>
<div class="ttc" id="opencl_8cpp_html_a5200eec7d1a17198a5f76785a1f53417"><div class="ttname"><a href="opencl_8cpp.html#a5200eec7d1a17198a5f76785a1f53417">BENCHMARK_VECTOR_SIZE</a></div><div class="ttdeci">#define BENCHMARK_VECTOR_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="opencl_8cpp_source.html#l00047">opencl.cpp:47</a></div></div>
<div class="ttc" id="vector_8hpp_html"><div class="ttname"><a href="vector_8hpp.html">vector.hpp</a></div><div class="ttdoc">The vector type with operator-overloads and proxy classes is defined here. Linear algebra operations ...</div></div>
<div class="ttc" id="namespaceviennacl_html_a10b7f8cf6b8864a7aa196d670481a453"><div class="ttname"><a href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a></div><div class="ttdeci">void copy(std::vector< NumericT > &cpu_vec, circulant_matrix< NumericT, AlignmentV > &gpu_mat)</div><div class="ttdoc">Copies a circulant matrix from the std::vector to the OpenCL device (either GPU or multi-core CPU) ...</div><div class="ttdef"><b>Definition:</b> <a href="circulant__matrix_8hpp_source.html#l00150">circulant_matrix.hpp:150</a></div></div>
<div class="ttc" id="fft__1d_8cpp_html_ad5c19ca4f47d3f8ec21232a5af2624e5"><div class="ttname"><a href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a></div><div class="ttdeci">float ScalarType</div><div class="ttdef"><b>Definition:</b> <a href="fft__1d_8cpp_source.html#l00042">fft_1d.cpp:42</a></div></div>
<div class="ttc" id="opencl_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="opencl_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition:</b> <a href="opencl_8cpp_source.html#l00118">opencl.cpp:118</a></div></div>
<div class="ttc" id="classviennacl_1_1compressed__matrix_html"><div class="ttname"><a href="classviennacl_1_1compressed__matrix.html">viennacl::compressed_matrix</a></div><div class="ttdoc">A sparse square matrix in compressed sparse rows format. </div><div class="ttdef"><b>Definition:</b> <a href="compressed__matrix_8hpp_source.html#l00559">compressed_matrix.hpp:559</a></div></div>
<div class="ttc" id="classviennacl_1_1tools_1_1timer_html_af44313f16c89e97704c90b1ebcc17bca"><div class="ttname"><a href="classviennacl_1_1tools_1_1timer.html#af44313f16c89e97704c90b1ebcc17bca">viennacl::tools::timer::get</a></div><div class="ttdeci">double get() const </div><div class="ttdef"><b>Definition:</b> <a href="timer_8hpp_source.html#l00104">timer.hpp:104</a></div></div>
<div class="ttc" id="classviennacl_1_1tools_1_1timer_html_ac3e360cdcecfb05861baa2800e4f2888"><div class="ttname"><a href="classviennacl_1_1tools_1_1timer.html#ac3e360cdcecfb05861baa2800e4f2888">viennacl::tools::timer::start</a></div><div class="ttdeci">void start()</div><div class="ttdef"><b>Definition:</b> <a href="timer_8hpp_source.html#l00097">timer.hpp:97</a></div></div>
<div class="ttc" id="scalar_8hpp_html"><div class="ttname"><a href="scalar_8hpp.html">scalar.hpp</a></div><div class="ttdoc">Implementation of the ViennaCL scalar class. </div></div>
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