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<li class="navelem"><a class="el" href="dir_6b3ae6988449b0834e9596fad5d75199.html">gpu</a></li><li class="navelem"><a class="el" href="dir_02dc1cf4df13911cc8cfd20f07047b71.html">perf</a></li> </ul>
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<div class="title">PerfIVFPQAdd.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * This source code is licensed under the CC-by-NC license found in the</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;cuda_profiler_api.h&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;../../IndexFlat.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;../../IndexIVFPQ.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;../GpuIndexIVFPQ.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;../StandardGpuResources.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;../test/TestUtils.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;../utils/DeviceUtils.h&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;../utils/Timer.h&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;gflags/gflags.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;DEFINE_int32(batches, 10, <span class="stringliteral">&quot;number of batches of vectors to add&quot;</span>);</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;DEFINE_int32(batch_size, 10000, <span class="stringliteral">&quot;number of vectors in each batch&quot;</span>);</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;DEFINE_int32(dim, 256, <span class="stringliteral">&quot;dimension of vectors&quot;</span>);</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;DEFINE_int32(centroids, 4096, <span class="stringliteral">&quot;num coarse centroids to use&quot;</span>);</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;DEFINE_int32(bytes_per_vec, 32, <span class="stringliteral">&quot;bytes per encoded vector&quot;</span>);</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;DEFINE_int32(bits_per_code, 8, <span class="stringliteral">&quot;bits per PQ code&quot;</span>);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;DEFINE_int32(index, 2, <span class="stringliteral">&quot;0 = no indices on GPU; 1 = 32 bit, 2 = 64 bit on GPU&quot;</span>);</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;DEFINE_bool(time_gpu, <span class="keyword">true</span>, <span class="stringliteral">&quot;time add to GPU&quot;</span>);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;DEFINE_bool(time_cpu, <span class="keyword">false</span>, <span class="stringliteral">&quot;time add to CPU&quot;</span>);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;DEFINE_bool(per_batch_time, <span class="keyword">false</span>, <span class="stringliteral">&quot;print per-batch times&quot;</span>);</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;DEFINE_bool(reserve_memory, <span class="keyword">false</span>, <span class="stringliteral">&quot;whether or not to pre-reserve memory&quot;</span>);</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; google::ParseCommandLineFlags(&amp;argc, &amp;argv, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; cudaProfilerStop();</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordtype">int</span> dim = FLAGS_dim;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordtype">int</span> numCentroids = FLAGS_centroids;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordtype">int</span> bytesPerVec = FLAGS_bytes_per_vec;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordtype">int</span> bitsPerCode = FLAGS_bits_per_code;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a> res;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="comment">// IndexIVFPQ will complain, but just give us enough to get through this</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordtype">int</span> numTrain = 4 * numCentroids;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; std::vector&lt;float&gt; trainVecs = faiss::gpu::randVecs(numTrain, dim);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> coarseQuantizer(dim);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="structfaiss_1_1IndexIVFPQ.html">faiss::IndexIVFPQ</a> cpuIndex(&amp;coarseQuantizer, dim, numCentroids,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; bytesPerVec, bitsPerCode);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">if</span> (FLAGS_time_cpu) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; cpuIndex.train(numTrain, trainVecs.data());</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html">faiss::gpu::GpuIndexIVFPQ</a> gpuIndex(</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; &amp;res, 0,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; dim, numCentroids, bytesPerVec, bitsPerCode,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; (faiss::gpu::IndicesOptions) FLAGS_index,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; faiss::METRIC_L2);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">if</span> (FLAGS_time_gpu) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; gpuIndex.train(numTrain, trainVecs.data());</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">if</span> (FLAGS_reserve_memory) {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordtype">size_t</span> numVecs = (size_t) FLAGS_batches * (<span class="keywordtype">size_t</span>) FLAGS_batch_size;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; gpuIndex.reserveMemory(numVecs);</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; cudaDeviceSynchronize();</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; CUDA_VERIFY(cudaProfilerStart());</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordtype">float</span> totalGpuTime = 0.0f;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordtype">float</span> totalCpuTime = 0.0f;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; FLAGS_batches; ++i) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">if</span> (!FLAGS_per_batch_time) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">if</span> (i % 10 == 0) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; printf(<span class="stringliteral">&quot;Adding batch %d\n&quot;</span>, i + 1);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">auto</span> addVecs = faiss::gpu::randVecs(FLAGS_batch_size, dim);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">if</span> (FLAGS_time_gpu) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html">faiss::gpu::CpuTimer</a> timer;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; gpuIndex.add(FLAGS_batch_size, addVecs.data());</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; CUDA_VERIFY(cudaDeviceSynchronize());</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keyword">auto</span> time = timer.<a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d">elapsedMilliseconds</a>();</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; totalGpuTime += time;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">if</span> (FLAGS_per_batch_time) {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; printf(<span class="stringliteral">&quot;Batch %d | GPU time to add %d vecs: %.3f ms (%.5f ms per)\n&quot;</span>,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; i + 1, FLAGS_batch_size, time, time / (<span class="keywordtype">float</span>) FLAGS_batch_size);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">if</span> (FLAGS_time_cpu) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html">faiss::gpu::CpuTimer</a> timer;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; cpuIndex.add(FLAGS_batch_size, addVecs.data());</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">auto</span> time = timer.<a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d">elapsedMilliseconds</a>();</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; totalCpuTime += time;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">if</span> (FLAGS_per_batch_time) {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; printf(<span class="stringliteral">&quot;Batch %d | CPU time to add %d vecs: %.3f ms (%.5f ms per)\n&quot;</span>,</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; i + 1, FLAGS_batch_size, time, time / (<span class="keywordtype">float</span>) FLAGS_batch_size);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; CUDA_VERIFY(cudaProfilerStop());</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordtype">int</span> total = FLAGS_batch_size * FLAGS_batches;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">if</span> (FLAGS_time_gpu) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; printf(<span class="stringliteral">&quot;%d dim, %d centroids, %d x %d encoding\n&quot;</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="stringliteral">&quot;GPU time to add %d vectors (%d batches, %d per batch): &quot;</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="stringliteral">&quot;%.3f ms (%.3f us per)\n&quot;</span>,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; dim, numCentroids, bytesPerVec, bitsPerCode,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; total, FLAGS_batches, FLAGS_batch_size,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; totalGpuTime, totalGpuTime * 1000.0f / (<span class="keywordtype">float</span>) total);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; }</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="keywordflow">if</span> (FLAGS_time_cpu) {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; printf(<span class="stringliteral">&quot;%d dim, %d centroids, %d x %d encoding\n&quot;</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="stringliteral">&quot;CPU time to add %d vectors (%d batches, %d per batch): &quot;</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="stringliteral">&quot;%.3f ms (%.3f us per)\n&quot;</span>,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; dim, numCentroids, bytesPerVec, bitsPerCode,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; total, FLAGS_batches, FLAGS_batch_size,</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; totalCpuTime, totalCpuTime * 1000.0f / (<span class="keywordtype">float</span>) total);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;}</div>
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