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67 <div class="title">common.cpp</div> </div>
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70 <a href="common_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">*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">* Copyright (c) 2019 Intel.</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">* Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">* You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">*</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* http://www.apache.org/licenses/LICENSE-2.0</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">* Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">* distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">* limitations under the License.</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> <span class="comment">*******************************************************************************/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <cmath></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <fstream></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <numeric></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> <span class="preprocessor">#ifndef _WIN64</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <sys/syscall.h></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <Windows.h></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="common_8hpp.html">common.hpp</a>"</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">#ifndef CPU_ID</span></div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="common_8cpp.html#a80c653d62783a4e7ea960794bd287b49"> 34</a></span> <span class="preprocessor">#define CPU_ID 4</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#endif</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="comment">/* Required to avoid linker errors */</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <a class="code" href="classnlohmann_1_1basic__json.html">json</a> <a class="code" href="class_kernel_tests.html#abd42f3e51ae547ec1631e9ac60df29d6">KernelTests::conf</a>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> std::string <a class="code" href="class_kernel_tests.html#a4e9607ae94d1958d38388cead2e4e3bf">KernelTests::test_type</a>;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> KernelTests::tsc;</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> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keywordtype">long</span> <a class="code" href="struct_benchmark_parameters.html#a7f1e5652bb40ab5c264473c82ac23beb">BenchmarkParameters::repetition</a> = 40;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">long</span> <a class="code" href="struct_benchmark_parameters.html#aac742be3d619ef9ed50afc0c063c6727">BenchmarkParameters::loop</a> = 30;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keywordtype">unsigned</span> <a class="code" href="struct_benchmark_parameters.html#a12661f1773e3ba71d5b29d7ffa042b1a">BenchmarkParameters::cpu_id</a> = <a class="code" href="common_8cpp.html#a80c653d62783a4e7ea960794bd287b49">CPU_ID</a>;</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="common_8hpp.html#ae39390f41ba978a1f0d79691436c074a"> 47</a></span> <span class="keywordtype">int</span> <a class="code" href="common_8cpp.html#ae39390f41ba978a1f0d79691436c074a">bind_to_cpu</a>(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> cpu)</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="preprocessor">#ifndef _WIN64</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pid = syscall(SYS_gettid);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  cpu_set_t mask {};</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  CPU_ZERO(&mask);</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  CPU_SET(cpu, &mask);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> sched_setaffinity(__pid_t(pid), <span class="keyword">sizeof</span>(mask), &mask);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif</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="l00060"></a><span class="lineno"><a class="line" href="common_8hpp.html#a8265b710246f9019ff14556adf5eb35a"> 60</a></span> std::pair<double, double> <a class="code" href="common_8cpp.html#a8265b710246f9019ff14556adf5eb35a">calculate_statistics</a>(<span class="keyword">const</span> std::vector<long> values)</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">const</span> <span class="keyword">auto</span> sum = std::accumulate(values.begin(), values.end(), 0L);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> <span class="keyword">auto</span> number_of_iterations = <a class="code" href="struct_benchmark_parameters.html#a7f1e5652bb40ab5c264473c82ac23beb">BenchmarkParameters::repetition</a> *</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="struct_benchmark_parameters.html#aac742be3d619ef9ed50afc0c063c6727">BenchmarkParameters::loop</a>;</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>  <span class="keyword">const</span> <span class="keyword">auto</span> mean = sum / (double) number_of_iterations;</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>  <span class="keyword">auto</span> stddev_accumulator = 0.0;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> v : values)</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  stddev_accumulator = pow((v / BenchmarkParameters::loop) - mean, 2);</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>  <span class="keyword">const</span> <span class="keyword">auto</span> stddev = sqrt(stddev_accumulator / <a class="code" href="struct_benchmark_parameters.html#a7f1e5652bb40ab5c264473c82ac23beb">BenchmarkParameters::repetition</a>);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> {mean, stddev};</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</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"><a class="line" href="common_8hpp.html#a39bf4f7770751080f5b72046abfd01a5"> 78</a></span> std::vector<unsigned> <a class="code" href="common_8cpp.html#a39bf4f7770751080f5b72046abfd01a5">get_sequence</a>(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> number)</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>  std::vector<unsigned> sequence(number);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::iota(sequence.begin(), sequence.end(), 0);</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> sequence;</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="common_8hpp.html#a876ed07783b27d38779f7cef4db673e6"> 86</a></span> <span class="keywordtype">char</span>* <a class="code" href="common_8cpp.html#a876ed07783b27d38779f7cef4db673e6">read_data_to_aligned_array</a>(<span class="keyword">const</span> std::string &filename)</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>  std::ifstream input_stream(filename, std::ios::binary);</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>  std::vector<char> buffer((std::istreambuf_iterator<char>(input_stream)),</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::istreambuf_iterator<char>());</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="keywordflow">if</span>(buffer.size() == 0)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">throw</span> <a class="code" href="structreading__input__file__exception.html">reading_input_file_exception</a>();</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>  <span class="keyword">auto</span> aligned_buffer = aligned_malloc<char>((int) buffer.size(), 64);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span>(aligned_buffer == <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Failed to allocate memory for the test vector!"</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>  std::copy(buffer.begin(), buffer.end(), aligned_buffer);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> aligned_buffer;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"><a class="line" href="common_8hpp.html#ad8c062e9b24e4b3a8408b23a0d8ab428"> 106</a></span> <a class="code" href="classnlohmann_1_1basic__json.html">json</a> <a class="code" href="common_8cpp.html#ad8c062e9b24e4b3a8408b23a0d8ab428">read_json_from_file</a>(<span class="keyword">const</span> std::string &filename)</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classnlohmann_1_1basic__json.html">json</a> result;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::ifstream json_stream(filename);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span>(!json_stream.is_open())</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">throw</span> <a class="code" href="structmissing__config__file__exception.html">missing_config_file_exception</a>();</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  json_stream >> result;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> result;</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> </div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="common_8hpp.html#a56c41cbb9de4bce25da45ecd74b46a81"> 119</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="common_8cpp.html#a56c41cbb9de4bce25da45ecd74b46a81">tsc_recovery</a>()</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#ifndef _WIN64</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  constexpr <span class="keyword">auto</span> ns_per_sec = 1E9;</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>  <span class="keyword">struct </span>timespec sleeptime = {.tv_nsec = __syscall_slong_t(5E8) };</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">struct </span>timespec t_start, t_end;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (clock_gettime(CLOCK_MONOTONIC_RAW, &t_start) == 0)</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> start = <a class="code" href="common_8cpp.html#a0ab5719a5f67d4d52057b2c4550fe930">tsc_tick</a>();</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  nanosleep(&sleeptime,NULL);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  clock_gettime(CLOCK_MONOTONIC_RAW, &t_end);</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>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> end = <a class="code" href="common_8cpp.html#a0ab5719a5f67d4d52057b2c4550fe930">tsc_tick</a>();</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ns = (<span class="keywordtype">unsigned</span> long)((t_end.tv_sec - t_start.tv_sec) * ns_per_sec + t_end.tv_nsec - t_start.tv_nsec);</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>  <span class="keywordtype">double</span> secs = (double) ns / ns_per_sec;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> resolution_timer = (<span class="keywordtype">unsigned</span> long)((end - start)/secs);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="sample-app_8c.html#acbab6f0999957daa6d05b0f286c21666">tick_per_usec</a> = (resolution_timer / 1000000);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  std::cout << <span class="stringliteral">"[----------] System clock (rdtsc) resolution "</span> << resolution_timer << <span class="stringliteral">" [Hz]"</span> << std::endl;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  std::cout << <span class="stringliteral">"[----------] Ticks per us "</span> << tick_per_usec << std::endl;</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>  <span class="keywordflow">return</span> <a class="code" href="sample-app_8c.html#acbab6f0999957daa6d05b0f286c21666">tick_per_usec</a>;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  LARGE_INTEGER tick_per_sec;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  QueryPerformanceFrequency(&tick_per_sec);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  std::cout << <span class="stringliteral">"[----------] System clock (rdtsc) resolution unknown"</span> << std::endl;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  std::cout << <span class="stringliteral">"[----------] Ticks per us "</span> << (tick_per_sec.QuadPart / 1000000) << std::endl;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) tick_per_sec.QuadPart;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> 0;</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="l00162"></a><span class="lineno"><a class="line" href="common_8hpp.html#a0ab5719a5f67d4d52057b2c4550fe930"> 162</a></span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="common_8cpp.html#a0ab5719a5f67d4d52057b2c4550fe930">tsc_tick</a>()</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#ifndef _WIN64</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> hi, lo;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  __asm <span class="keyword">volatile</span> (<span class="stringliteral">"rdtsc"</span> : <span class="stringliteral">"=a"</span>(lo), <span class="stringliteral">"=d"</span>(hi));</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> lo | (hi << 32);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> }</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="keywordtype">void</span> KernelTests::print_and_store_results(<span class="keyword">const</span> std::string &isa, <span class="keyword">const</span> std::string &parameters,</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> std::string &<a class="code" href="c__plane__tests_8cc.html#a69b4bff6061152ff85770d725cced3cc">module_name</a>, <span class="keyword">const</span> std::string &test_name,</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">const</span> std::string &unit, <span class="keyword">const</span> <span class="keywordtype">int</span> para_factor,</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> mean, <span class="keyword">const</span> <span class="keywordtype">double</span> stddev)</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>  std::cout << <span class="stringliteral">"[----------] "</span> << <span class="stringliteral">"Mean"</span> << <span class="stringliteral">" = "</span> << std::fixed << mean << <span class="stringliteral">" us"</span> << std::endl;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  std::cout << <span class="stringliteral">"[----------] "</span> << <span class="stringliteral">"Stddev"</span> << <span class="stringliteral">" = "</span> << stddev << <span class="stringliteral">" us"</span> << std::endl;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#ifndef _WIN64</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">/* Two properties below should uniquely identify a test case */</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  RecordProperty(<span class="stringliteral">"kernelname"</span>, <a class="code" href="c__plane__tests_8cc.html#a69b4bff6061152ff85770d725cced3cc">module_name</a>);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  RecordProperty(<span class="stringliteral">"parameters"</span>, parameters);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  RecordProperty(<span class="stringliteral">"isa"</span>, isa);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  RecordProperty(<span class="stringliteral">"unit"</span>, unit);</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  RecordProperty(<span class="stringliteral">"parallelization_factor"</span>, para_factor);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  RecordProperty(<span class="stringliteral">"mean"</span>, std::to_string(mean));</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  RecordProperty(<span class="stringliteral">"stddev"</span>, std::to_string(stddev));</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div><div class="ttc" id="common_8cpp_html_ad8c062e9b24e4b3a8408b23a0d8ab428"><div class="ttname"><a href="common_8cpp.html#ad8c062e9b24e4b3a8408b23a0d8ab428">read_json_from_file</a></div><div class="ttdeci">json read_json_from_file(const std::string &filename)</div><div class="ttdoc">Read JSON from the given file. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00106">common.cpp:106</a></div></div>
71 <div class="ttc" id="classnlohmann_1_1basic__json_html"><div class="ttname"><a href="classnlohmann_1_1basic__json.html">nlohmann::basic_json</a></div><div class="ttdoc">a class to store JSON values </div><div class="ttdef"><b>Definition:</b> <a href="json_8hpp_source.html#l01016">json.hpp:1016</a></div></div>
72 <div class="ttc" id="struct_benchmark_parameters_html_a12661f1773e3ba71d5b29d7ffa042b1a"><div class="ttname"><a href="struct_benchmark_parameters.html#a12661f1773e3ba71d5b29d7ffa042b1a">BenchmarkParameters::cpu_id</a></div><div class="ttdeci">static unsigned cpu_id</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00068">common.hpp:68</a></div></div>
73 <div class="ttc" id="class_kernel_tests_html_abd42f3e51ae547ec1631e9ac60df29d6"><div class="ttname"><a href="class_kernel_tests.html#abd42f3e51ae547ec1631e9ac60df29d6">KernelTests::conf</a></div><div class="ttdeci">static json conf</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00159">common.hpp:159</a></div></div>
74 <div class="ttc" id="structmissing__config__file__exception_html"><div class="ttname"><a href="structmissing__config__file__exception.html">missing_config_file_exception</a></div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00071">common.hpp:71</a></div></div>
75 <div class="ttc" id="class_kernel_tests_html_a4e9607ae94d1958d38388cead2e4e3bf"><div class="ttname"><a href="class_kernel_tests.html#a4e9607ae94d1958d38388cead2e4e3bf">KernelTests::test_type</a></div><div class="ttdeci">static std::string test_type</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00160">common.hpp:160</a></div></div>
76 <div class="ttc" id="common_8cpp_html_a876ed07783b27d38779f7cef4db673e6"><div class="ttname"><a href="common_8cpp.html#a876ed07783b27d38779f7cef4db673e6">read_data_to_aligned_array</a></div><div class="ttdeci">char * read_data_to_aligned_array(const std::string &filename)</div><div class="ttdoc">Read binary data from the file. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00086">common.cpp:86</a></div></div>
77 <div class="ttc" id="common_8hpp_html"><div class="ttname"><a href="common_8hpp.html">common.hpp</a></div></div>
78 <div class="ttc" id="struct_benchmark_parameters_html_a7f1e5652bb40ab5c264473c82ac23beb"><div class="ttname"><a href="struct_benchmark_parameters.html#a7f1e5652bb40ab5c264473c82ac23beb">BenchmarkParameters::repetition</a></div><div class="ttdeci">static long repetition</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00066">common.hpp:66</a></div></div>
79 <div class="ttc" id="common_8cpp_html_a8265b710246f9019ff14556adf5eb35a"><div class="ttname"><a href="common_8cpp.html#a8265b710246f9019ff14556adf5eb35a">calculate_statistics</a></div><div class="ttdeci">std::pair< double, double > calculate_statistics(const std::vector< long > values)</div><div class="ttdoc">Calculate the mean and variance from the result of the run_benchmark. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00060">common.cpp:60</a></div></div>
80 <div class="ttc" id="common_8cpp_html_a56c41cbb9de4bce25da45ecd74b46a81"><div class="ttname"><a href="common_8cpp.html#a56c41cbb9de4bce25da45ecd74b46a81">tsc_recovery</a></div><div class="ttdeci">unsigned long tsc_recovery()</div><div class="ttdoc">Measure the TSC on the machine. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00119">common.cpp:119</a></div></div>
81 <div class="ttc" id="c__plane__tests_8cc_html_a69b4bff6061152ff85770d725cced3cc"><div class="ttname"><a href="c__plane__tests_8cc.html#a69b4bff6061152ff85770d725cced3cc">module_name</a></div><div class="ttdeci">const std::string module_name</div><div class="ttdef"><b>Definition:</b> <a href="c__plane__tests_8cc_source.html#l00032">c_plane_tests.cc:32</a></div></div>
82 <div class="ttc" id="structreading__input__file__exception_html"><div class="ttname"><a href="structreading__input__file__exception.html">reading_input_file_exception</a></div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00078">common.hpp:78</a></div></div>
83 <div class="ttc" id="struct_benchmark_parameters_html_aac742be3d619ef9ed50afc0c063c6727"><div class="ttname"><a href="struct_benchmark_parameters.html#aac742be3d619ef9ed50afc0c063c6727">BenchmarkParameters::loop</a></div><div class="ttdeci">static long loop</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00067">common.hpp:67</a></div></div>
84 <div class="ttc" id="common_8cpp_html_ae39390f41ba978a1f0d79691436c074a"><div class="ttname"><a href="common_8cpp.html#ae39390f41ba978a1f0d79691436c074a">bind_to_cpu</a></div><div class="ttdeci">int bind_to_cpu(const unsigned cpu)</div><div class="ttdoc">Attach current process to the selected core. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00047">common.cpp:47</a></div></div>
85 <div class="ttc" id="common_8cpp_html_a0ab5719a5f67d4d52057b2c4550fe930"><div class="ttname"><a href="common_8cpp.html#a0ab5719a5f67d4d52057b2c4550fe930">tsc_tick</a></div><div class="ttdeci">unsigned long tsc_tick()</div><div class="ttdoc">Return the current value of the TSC. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00162">common.cpp:162</a></div></div>
86 <div class="ttc" id="sample-app_8c_html_acbab6f0999957daa6d05b0f286c21666"><div class="ttname"><a href="sample-app_8c.html#acbab6f0999957daa6d05b0f286c21666">tick_per_usec</a></div><div class="ttdeci">uint64_t tick_per_usec</div><div class="ttdef"><b>Definition:</b> <a href="sample-app_8c_source.html#l00064">sample-app.c:64</a></div></div>
87 <div class="ttc" id="common_8cpp_html_a80c653d62783a4e7ea960794bd287b49"><div class="ttname"><a href="common_8cpp.html#a80c653d62783a4e7ea960794bd287b49">CPU_ID</a></div><div class="ttdeci">#define CPU_ID</div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00034">common.cpp:34</a></div></div>
88 <div class="ttc" id="common_8cpp_html_a39bf4f7770751080f5b72046abfd01a5"><div class="ttname"><a href="common_8cpp.html#a39bf4f7770751080f5b72046abfd01a5">get_sequence</a></div><div class="ttdeci">std::vector< unsigned > get_sequence(const unsigned number)</div><div class="ttdoc">For a given number return sequence of number from 0 to number - 1. </div><div class="ttdef"><b>Definition:</b> <a href="common_8cpp_source.html#l00078">common.cpp:78</a></div></div>
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