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<div class="title">execution_handler.hpp</div> </div>
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<a href="execution__handler_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_DEVICE_SPECIFIC_EXECUTION_HANDLER_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_DEVICE_SPECIFIC_EXECUTION_HANDLER_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="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <map></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="shared__ptr_8hpp.html">viennacl/tools/shared_ptr.hpp</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="lazy__program__compiler_8hpp.html">viennacl/device_specific/lazy_program_compiler.hpp</a>"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="template__base_8hpp.html">viennacl/device_specific/templates/template_base.hpp</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="device__specific_2utils_8hpp.html">viennacl/device_specific/utils.hpp</a>"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>viennacl</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>device_specific</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</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"><a class="line" href="classviennacl_1_1device__specific_1_1execution__handler.html"> 39</a></span> <span class="keyword">class </span><a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html">execution_handler</a></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">public</span>:</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classviennacl_1_1device__specific_1_1execution__handler.html#a2cbc09d9f433d3c351d1320616c5706c"> 42</a></span>  <span class="keyword">typedef</span> std::map< std::string, tools::shared_ptr<template_base> > <a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#a2cbc09d9f433d3c351d1320616c5706c">container_type</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  std::string append_prefix(std::string <span class="keyword">const</span> & str)</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="keywordflow">return</span> <span class="stringliteral">"_"</span> + str;</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>  std::string define_extension(std::string <span class="keyword">const</span> & ext)</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">// Note: On devices without double precision support, 'ext' is an empty string.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> (ext.length() > 1) ? std::string(<span class="stringliteral">"#pragma OPENCL EXTENSION "</span> + ext + <span class="stringliteral">" : enable\n"</span>) : std::string(<span class="stringliteral">"\n"</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> init_program_compiler(std::string <span class="keyword">const</span> & name, <span class="keywordtype">bool</span> force_recompilation)</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>  lazy_programs_.push_back(lazy_program_compiler(&ctx_, name, force_recompilation));</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  lazy_programs_.back().add(define_extension(device_.<a class="code" href="classviennacl_1_1ocl_1_1device.html#afd017572cf46fa80de40baf9eef1cb25">double_support_extension</a>()));</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</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> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classviennacl_1_1device__specific_1_1execution__handler.html#a65490175e47c6af829f98f37d381b341"> 63</a></span>  <a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#a65490175e47c6af829f98f37d381b341">execution_handler</a>(std::string <span class="keyword">const</span> & program_name_base, <a class="code" href="classviennacl_1_1ocl_1_1context.html">viennacl::ocl::context</a> & ctx, <a class="code" href="classviennacl_1_1ocl_1_1device.html">viennacl::ocl::device</a> <span class="keyword">const</span> & device, <span class="keywordtype">bool</span> force_recompilation = <span class="keyword">false</span>) : ctx_(ctx), device_(device), program_names_(2)</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  lazy_programs_.reserve(2);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  init_program_compiler(program_name_base + <span class="stringliteral">"_0"</span>, force_recompilation);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  init_program_compiler(program_name_base + <span class="stringliteral">"_1"</span>, force_recompilation);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classviennacl_1_1device__specific_1_1execution__handler.html#a11959a283fa15664eb7116ccb24acb5f"> 70</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#a11959a283fa15664eb7116ccb24acb5f">add</a>(std::string <span class="keyword">const</span> & key, <a class="code" href="classviennacl_1_1device__specific_1_1template__base.html">template_base</a> <span class="keyword">const</span> & T, <a class="code" href="classviennacl_1_1device__specific_1_1statements__container.html">statements_container</a> <span class="keyword">const</span> & statements)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (kernels_.insert(container_type::value_type(key, T.<a class="code" href="classviennacl_1_1device__specific_1_1template__base.html#ad2ea7f528b5c3cad8bee3ac4fefc3a3b">clone</a>())).second)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  std::vector<std::string> sources = <a class="code" href="namespaceviennacl_1_1device__specific.html#ab912aba0d144f286022bb3af5d5f8f77">at</a>(kernels_, key)->generate(append_prefix(key), statements, device_);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  assert(sources.size()<=2);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < sources.size(); ++i)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  lazy_programs_[i].<a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#a11959a283fa15664eb7116ccb24acb5f">add</a>(sources[i]);</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>  }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classviennacl_1_1device__specific_1_1execution__handler.html#a644417901637a2262fbd662cc46a9605"> 81</a></span>  <a class="code" href="classviennacl_1_1device__specific_1_1template__base.html">template_base</a> * <a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#a644417901637a2262fbd662cc46a9605">template_of</a>(std::string <span class="keyword">const</span> & key)</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>  <span class="keywordflow">return</span> <a class="code" href="namespaceviennacl_1_1device__specific.html#ab912aba0d144f286022bb3af5d5f8f77">at</a>(kernels_, key).get();</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> </div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classviennacl_1_1device__specific_1_1execution__handler.html#af5d60b0efe0cdccd26e4bf56fd96f23a"> 86</a></span>  <span class="keywordtype">void</span> <a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#af5d60b0efe0cdccd26e4bf56fd96f23a">execute</a>(container_type::key_type <span class="keyword">const</span> & key, <a class="code" href="classviennacl_1_1device__specific_1_1statements__container.html">statements_container</a> <span class="keyword">const</span> & statements)</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="classviennacl_1_1tools_1_1shared__ptr.html">tools::shared_ptr<template_base></a> & template_pointer = <a class="code" href="namespaceviennacl_1_1device__specific.html#ab912aba0d144f286022bb3af5d5f8f77">at</a>(kernels_, key);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  template_pointer->enqueue(append_prefix(key), lazy_programs_, statements);</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> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classviennacl_1_1ocl_1_1context.html">viennacl::ocl::context</a> & ctx_;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classviennacl_1_1ocl_1_1device.html">viennacl::ocl::device</a> <span class="keyword">const</span> & device_;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classviennacl_1_1device__specific_1_1execution__handler.html#a2cbc09d9f433d3c351d1320616c5706c">container_type</a> kernels_;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::vector<std::string> program_names_;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::vector<lazy_program_compiler> lazy_programs_;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> };</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </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> }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1execution__handler_html"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1execution__handler.html">viennacl::device_specific::execution_handler</a></div><div class="ttdef"><b>Definition:</b> <a href="execution__handler_8hpp_source.html#l00039">execution_handler.hpp:39</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="classviennacl_1_1ocl_1_1device_html"><div class="ttname"><a href="classviennacl_1_1ocl_1_1device.html">viennacl::ocl::device</a></div><div class="ttdoc">A class representing a compute device (e.g. a GPU) </div><div class="ttdef"><b>Definition:</b> <a href="device_8hpp_source.html#l00049">device.hpp:49</a></div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1execution__handler_html_a11959a283fa15664eb7116ccb24acb5f"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1execution__handler.html#a11959a283fa15664eb7116ccb24acb5f">viennacl::device_specific::execution_handler::add</a></div><div class="ttdeci">void add(std::string const &key, template_base const &T, statements_container const &statements)</div><div class="ttdef"><b>Definition:</b> <a href="execution__handler_8hpp_source.html#l00070">execution_handler.hpp:70</a></div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1template__base_html"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1template__base.html">viennacl::device_specific::template_base</a></div><div class="ttdef"><b>Definition:</b> <a href="template__base_8hpp_source.html#l00054">template_base.hpp:54</a></div></div>
<div class="ttc" id="template__base_8hpp_html"><div class="ttname"><a href="template__base_8hpp.html">template_base.hpp</a></div></div>
<div class="ttc" id="shared__ptr_8hpp_html"><div class="ttname"><a href="shared__ptr_8hpp.html">shared_ptr.hpp</a></div><div class="ttdoc">Implementation of a shared pointer class (cf. std::shared_ptr, boost::shared_ptr). Will be used until C++11 is widely available. </div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1template__base_html_ad2ea7f528b5c3cad8bee3ac4fefc3a3b"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1template__base.html#ad2ea7f528b5c3cad8bee3ac4fefc3a3b">viennacl::device_specific::template_base::clone</a></div><div class="ttdeci">virtual tools::shared_ptr< template_base > clone() const =0</div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1execution__handler_html_a65490175e47c6af829f98f37d381b341"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1execution__handler.html#a65490175e47c6af829f98f37d381b341">viennacl::device_specific::execution_handler::execution_handler</a></div><div class="ttdeci">execution_handler(std::string const &program_name_base, viennacl::ocl::context &ctx, viennacl::ocl::device const &device, bool force_recompilation=false)</div><div class="ttdef"><b>Definition:</b> <a href="execution__handler_8hpp_source.html#l00063">execution_handler.hpp:63</a></div></div>
<div class="ttc" id="lazy__program__compiler_8hpp_html"><div class="ttname"><a href="lazy__program__compiler_8hpp.html">lazy_program_compiler.hpp</a></div><div class="ttdoc">Helper for compiling a program lazily. </div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1execution__handler_html_a644417901637a2262fbd662cc46a9605"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1execution__handler.html#a644417901637a2262fbd662cc46a9605">viennacl::device_specific::execution_handler::template_of</a></div><div class="ttdeci">template_base * template_of(std::string const &key)</div><div class="ttdef"><b>Definition:</b> <a href="execution__handler_8hpp_source.html#l00081">execution_handler.hpp:81</a></div></div>
<div class="ttc" id="classviennacl_1_1tools_1_1shared__ptr_html"><div class="ttname"><a href="classviennacl_1_1tools_1_1shared__ptr.html">viennacl::tools::shared_ptr</a></div><div class="ttdoc">A shared pointer class similar to boost::shared_ptr. Reimplemented in order to avoid a Boost-dependen...</div><div class="ttdef"><b>Definition:</b> <a href="shared__ptr_8hpp_source.html#l00083">shared_ptr.hpp:83</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1device_html_afd017572cf46fa80de40baf9eef1cb25"><div class="ttname"><a href="classviennacl_1_1ocl_1_1device.html#afd017572cf46fa80de40baf9eef1cb25">viennacl::ocl::device::double_support_extension</a></div><div class="ttdeci">std::string double_support_extension() const </div><div class="ttdoc">ViennaCL convenience function: Returns the device extension which enables double precision (usually c...</div><div class="ttdef"><b>Definition:</b> <a href="device_8hpp_source.html#l00967">device.hpp:967</a></div></div>
<div class="ttc" id="device__specific_2utils_8hpp_html"><div class="ttname"><a href="device__specific_2utils_8hpp.html">utils.hpp</a></div><div class="ttdoc">Internal utils. </div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1execution__handler_html_af5d60b0efe0cdccd26e4bf56fd96f23a"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1execution__handler.html#af5d60b0efe0cdccd26e4bf56fd96f23a">viennacl::device_specific::execution_handler::execute</a></div><div class="ttdeci">void execute(container_type::key_type const &key, statements_container const &statements)</div><div class="ttdef"><b>Definition:</b> <a href="execution__handler_8hpp_source.html#l00086">execution_handler.hpp:86</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1device__specific_html_ab912aba0d144f286022bb3af5d5f8f77"><div class="ttname"><a href="namespaceviennacl_1_1device__specific.html#ab912aba0d144f286022bb3af5d5f8f77">viennacl::device_specific::at</a></div><div class="ttdeci">ValueT const & at(std::map< KeyT, ValueT > const &map, KeyT const &key)</div><div class="ttdoc">Emulation of C++11's .at() member for std::map<>, const-version. </div><div class="ttdef"><b>Definition:</b> <a href="device__specific_2forwards_8h_source.html#l00142">forwards.h:142</a></div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1execution__handler_html_a2cbc09d9f433d3c351d1320616c5706c"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1execution__handler.html#a2cbc09d9f433d3c351d1320616c5706c">viennacl::device_specific::execution_handler::container_type</a></div><div class="ttdeci">std::map< std::string, tools::shared_ptr< template_base > > container_type</div><div class="ttdef"><b>Definition:</b> <a href="execution__handler_8hpp_source.html#l00042">execution_handler.hpp:42</a></div></div>
<div class="ttc" id="classviennacl_1_1device__specific_1_1statements__container_html"><div class="ttname"><a href="classviennacl_1_1device__specific_1_1statements__container.html">viennacl::device_specific::statements_container</a></div><div class="ttdef"><b>Definition:</b> <a href="device__specific_2forwards_8h_source.html#l00262">forwards.h:262</a></div></div>
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