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338 lines
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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_43be364029218a94c5bcb5d8c78d7156.html">test</a></li> </ul>
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<div class="title">TestGpuIndexFlat.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment"></span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * All rights reserved.</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This source code is licensed under the CC-by-NC license found in the</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "../../IndexFlat.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "../GpuIndexFlat.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "../StandardGpuResources.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "../utils/DeviceUtils.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "../test/TestUtils.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <gtest/gtest.h></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <sstream></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// FIXME: figure out a better way to test fp16</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> constexpr <span class="keywordtype">float</span> kF16MaxRelErr = 0.07f;</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> constexpr <span class="keywordtype">float</span> kF32MaxRelErr = 6e-3f;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keywordtype">void</span> testFlat(<span class="keywordtype">bool</span> useL2, <span class="keywordtype">bool</span> useFloat16, <span class="keywordtype">int</span> kOverride = -1) {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">int</span> numVecs = faiss::gpu::randVal(1000, 20000);</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">int</span> dim = faiss::gpu::randVal(50, 800);</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordtype">int</span> numQuery = faiss::gpu::randVal(1, 512);</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="comment">// Due to loss of precision in a float16 accumulator, for large k,</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">// the number of differences is pretty huge. Restrict ourselves to a</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// fairly small `k` for float16</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordtype">int</span> k = useFloat16 ?</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  std::min(faiss::gpu::randVal(1, 50), numVecs) :</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  std::min(faiss::gpu::randVal(1, 1024), numVecs);</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (kOverride > 0) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  k = kOverride;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="structfaiss_1_1IndexFlatIP.html">faiss::IndexFlatIP</a> cpuIndexIP(dim);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndexL2(dim);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a>* cpuIndex =</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  useL2 ? (<a class="code" href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a>*) &cpuIndexL2 : (<a class="code" href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a>*) &cpuIndexIP;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// Construct on a random device to test multi-device, if we have</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// multiple devices</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">int</span> device = faiss::gpu::randVal(0, faiss::gpu::getNumDevices() - 1);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a> res;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  res.<a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html#a6431477a7328ac147797b3b4e3fcf651">noTempMemory</a>();</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatIP.html">faiss::gpu::GpuIndexFlatIP</a> gpuIndexIP(&res, device, dim, useFloat16);</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndexL2(&res, device, dim, useFloat16);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a>* gpuIndex =</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  useL2 ? (<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a>*) &gpuIndexL2 :</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  (<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a>*) &gpuIndexIP;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  cpuIndex-><a class="code" href="structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c">add</a>(numVecs, vecs.data());</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  gpuIndex-><a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#aca24d09a00743aa3087c1a14a66995b9">add</a>(numVecs, vecs.data());</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  std::stringstream str;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  str << (useL2 ? <span class="stringliteral">"L2"</span> : <span class="stringliteral">"IP"</span>) << <span class="stringliteral">" numVecs "</span> << numVecs</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  << <span class="stringliteral">" dim "</span> << dim</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  << <span class="stringliteral">" useFloat16 "</span> << useFloat16</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  << <span class="stringliteral">" numQuery "</span> << numQuery</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  << <span class="stringliteral">" k "</span> << k;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// To some extent, we depend upon the relative error for the test</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// for float16</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  faiss::gpu::compareIndices(*cpuIndex, *gpuIndex, numQuery, dim, k, str.str(),</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  useFloat16 ? kF16MaxRelErr : kF32MaxRelErr,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// FIXME: the fp16 bounds are</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// useless when math (the accumulator) is</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// in fp16. Figure out another way to test</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  useFloat16 ? 0.99f : 0.1f,</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  useFloat16 ? 0.65f : 0.015f);</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> }</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> TEST(TestGpuIndexFlat, IP_Float32) {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 10; ++tries) {</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  testFlat(<span class="keyword">false</span>, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> }</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> TEST(TestGpuIndexFlat, L2_Float32) {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 10; ++tries) {</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  testFlat(<span class="keyword">true</span>, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// test specialized k == 1 codepath</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> TEST(TestGpuIndexFlat, L2_Float32_K1) {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 5; ++tries) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  testFlat(<span class="keyword">true</span>, <span class="keyword">false</span>, 1);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> TEST(TestGpuIndexFlat, IP_Float16) {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 10; ++tries) {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  testFlat(<span class="keyword">false</span>, <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> TEST(TestGpuIndexFlat, L2_Float16) {</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 10; ++tries) {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  testFlat(<span class="keyword">true</span>, <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment">// test specialized k == 1 codepath</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> TEST(TestGpuIndexFlat, L2_Float16_K1) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 5; ++tries) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  testFlat(<span class="keyword">true</span>, <span class="keyword">true</span>, 1);</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> TEST(TestGpuIndexFlat, QueryEmpty) {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a> res;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  res.<a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html#a6431477a7328ac147797b3b4e3fcf651">noTempMemory</a>();</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> dim = 128;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndex(&res, 0, dim, <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Querying an empty index should not blow up, and just return</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// (FLT_MAX, -1)</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">int</span> numQuery = 10;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">int</span> k = 50;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  std::vector<float> queries(numQuery * dim, 1.0f);</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  std::vector<float> dist(numQuery * k, 0);</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  std::vector<faiss::Index::idx_t> ind(numQuery * k);</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#ac0f0301829363f920e619f673a4d97f3">search</a>(numQuery, queries.data(), k, dist.data(), ind.data());</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> d : dist) {</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  EXPECT_EQ(d, std::numeric_limits<float>::max());</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> i : ind) {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  EXPECT_EQ(i, -1);</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> TEST(TestGpuIndexFlat, CopyFrom) {</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> numVecs = faiss::gpu::randVal(100, 200);</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">int</span> dim = faiss::gpu::randVal(1, 1000);</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndex(dim);</div>
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|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
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|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  cpuIndex.<a class="code" href="structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c">add</a>(numVecs, vecs.data());</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a> res;</div>
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|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  res.<a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html#a6431477a7328ac147797b3b4e3fcf651">noTempMemory</a>();</div>
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|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Fill with garbage values</span></div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">int</span> device = faiss::gpu::randVal(0, faiss::gpu::getNumDevices() - 1);</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndex(&res, device, 2000, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc">copyFrom</a>(&cpuIndex);</div>
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|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>, gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>);</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  EXPECT_EQ(gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>, numVecs);</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>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>);</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, dim);</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">int</span> idx = faiss::gpu::randVal(0, numVecs - 1);</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  std::vector<float> gpuVals(dim);</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd">reconstruct</a>(idx, gpuVals.data());</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  std::vector<float> cpuVals(dim);</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  cpuIndex.<a class="code" href="structfaiss_1_1IndexFlat.html#ae4b33315752b62cff1626f9f967167b1">reconstruct</a>(idx, cpuVals.data());</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  EXPECT_EQ(gpuVals, cpuVals);</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</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> TEST(TestGpuIndexFlat, CopyTo) {</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  faiss::gpu::newTestSeed();</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a> res;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  res.<a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html#a6431477a7328ac147797b3b4e3fcf651">noTempMemory</a>();</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">int</span> numVecs = faiss::gpu::randVal(100, 200);</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">int</span> dim = faiss::gpu::randVal(1, 1000);</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">int</span> device = faiss::gpu::randVal(0, faiss::gpu::getNumDevices() - 1);</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndex(&res, device, dim, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#aca24d09a00743aa3087c1a14a66995b9">add</a>(numVecs, vecs.data());</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// Fill with garbage values</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndex(2000);</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39">copyTo</a>(&cpuIndex);</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>, gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  EXPECT_EQ(gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>, numVecs);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, dim);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">int</span> idx = faiss::gpu::randVal(0, numVecs - 1);</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  std::vector<float> gpuVals(dim);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd">reconstruct</a>(idx, gpuVals.data());</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  std::vector<float> cpuVals(dim);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  cpuIndex.<a class="code" href="structfaiss_1_1IndexFlat.html#ae4b33315752b62cff1626f9f967167b1">reconstruct</a>(idx, cpuVals.data());</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  EXPECT_EQ(gpuVals, cpuVals);</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div>
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|
<div class="ttc" id="structfaiss_1_1IndexFlat_html"><div class="ttname"><a href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8h_source.html#l00024">IndexFlat.h:24</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_a046007ff2fafcafc6ae328769c700e39"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39">faiss::gpu::GpuIndexFlat::copyTo</a></div><div class="ttdeci">void copyTo(faiss::IndexFlat *index) const </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8cu_source.html#l00107">GpuIndexFlat.cu:107</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1StandardGpuResources_html_a6431477a7328ac147797b3b4e3fcf651"><div class="ttname"><a href="classfaiss_1_1gpu_1_1StandardGpuResources.html#a6431477a7328ac147797b3b4e3fcf651">faiss::gpu::StandardGpuResources::noTempMemory</a></div><div class="ttdeci">void noTempMemory()</div><div class="ttdef"><b>Definition:</b> <a href="StandardGpuResources_8cpp_source.html#l00072">StandardGpuResources.cpp:72</a></div></div>
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|
<div class="ttc" id="structfaiss_1_1IndexFlatL2_html"><div class="ttname"><a href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8h_source.html#l00081">IndexFlat.h:81</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexFlat_html_ae4b33315752b62cff1626f9f967167b1"><div class="ttname"><a href="structfaiss_1_1IndexFlat.html#ae4b33315752b62cff1626f9f967167b1">faiss::IndexFlat::reconstruct</a></div><div class="ttdeci">virtual void reconstruct(idx_t key, float *recons) const override</div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00109">IndexFlat.cpp:109</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexFlatIP_html"><div class="ttname"><a href="structfaiss_1_1IndexFlatIP.html">faiss::IndexFlatIP</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8h_source.html#l00075">IndexFlat.h:75</a></div></div>
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<div class="ttc" id="structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d"><div class="ttname"><a href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">faiss::Index::d</a></div><div class="ttdeci">int d</div><div class="ttdoc">vector dimension </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00066">Index.h:66</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1StandardGpuResources_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a></div><div class="ttdef"><b>Definition:</b> <a href="StandardGpuResources_8h_source.html#l00024">StandardGpuResources.h:24</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_a7f1cdf03d3545a43fc91bb5cace3b6fd"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd">faiss::gpu::GpuIndexFlat::reconstruct</a></div><div class="ttdeci">void reconstruct(faiss::Index::idx_t key, float *out) const override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8cu_source.html#l00440">GpuIndexFlat.cu:440</a></div></div>
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<div class="ttc" id="structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd"><div class="ttname"><a href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">faiss::Index::ntotal</a></div><div class="ttdeci">idx_t ntotal</div><div class="ttdoc">total nb of indexed vectors </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00067">Index.h:67</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexFlat_html_a406f028c702edec72477eacc5733f59c"><div class="ttname"><a href="structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c">faiss::IndexFlat::add</a></div><div class="ttdeci">virtual void add(idx_t n, const float *x) override</div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00041">IndexFlat.cpp:41</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlatIP_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlatIP.html">faiss::gpu::GpuIndexFlatIP</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00158">GpuIndexFlat.h:158</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_abb964875e0893de1d8334ca5ad0f62dc"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc">faiss::gpu::GpuIndexFlat::copyFrom</a></div><div class="ttdeci">void copyFrom(const faiss::IndexFlat *index)</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8cu_source.html#l00081">GpuIndexFlat.cu:81</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_aca24d09a00743aa3087c1a14a66995b9"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#aca24d09a00743aa3087c1a14a66995b9">faiss::gpu::GpuIndexFlat::add</a></div><div class="ttdeci">void add(Index::idx_t n, const float *x) override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8cu_source.html#l00149">GpuIndexFlat.cu:149</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlatL2_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00131">GpuIndexFlat.h:131</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00031">GpuIndexFlat.h:31</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_ac0f0301829363f920e619f673a4d97f3"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#ac0f0301829363f920e619f673a4d97f3">faiss::gpu::GpuIndexFlat::search</a></div><div class="ttdeci">void search(faiss::Index::idx_t n, const float *x, faiss::Index::idx_t k, float *distances, faiss::Index::idx_t *labels) const override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8cu_source.html#l00167">GpuIndexFlat.cu:167</a></div></div>
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