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0df3f646fc
various bugfixes from github issues kmean with some frozen centroids GPU better tiling for large flat datasets default AVX for vector ops
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500 lines
65 KiB
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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"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This source code is licensed under the BSD+Patents license found in the</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</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="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "../../IndexFlat.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "../GpuIndexFlat.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "../StandardGpuResources.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "../utils/DeviceUtils.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "../test/TestUtils.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <gtest/gtest.h></span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <sstream></span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// FIXME: figure out a better way to test fp16</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> constexpr <span class="keywordtype">float</span> kF16MaxRelErr = 0.07f;</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> constexpr <span class="keywordtype">float</span> kF32MaxRelErr = 6e-3f;</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="structTestFlatOptions.html"> 24</a></span> <span class="keyword">struct </span><a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a>()</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  : useL2(<span class="keyword">true</span>),</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  useFloat16(<span class="keyword">false</span>),</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  useTransposed(<span class="keyword">false</span>),</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  numVecsOverride(-1),</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  numQueriesOverride(-1),</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  kOverride(-1) {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">bool</span> useL2;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">bool</span> useFloat16;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">bool</span> useTransposed;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">int</span> numVecsOverride;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">int</span> numQueriesOverride;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">int</span> kOverride;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> };</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keywordtype">void</span> testFlat(<span class="keyword">const</span> <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a>& opt) {</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">int</span> numVecs = opt.numVecsOverride > 0 ?</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  opt.numVecsOverride : faiss::gpu::randVal(1000, 20000);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">int</span> dim = faiss::gpu::randVal(50, 800);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">int</span> numQuery = opt.numQueriesOverride > 0 ?</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  opt.numQueriesOverride : faiss::gpu::randVal(1, 512);</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</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="l00050"></a><span class="lineno"> 50</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="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// fairly small `k` for float16</span></div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">int</span> k = opt.useFloat16 ?</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::min(faiss::gpu::randVal(1, 50), numVecs) :</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::min(faiss::gpu::randVal(1, 1024), numVecs);</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (opt.kOverride > 0) {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  k = opt.kOverride;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</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>  <a class="code" href="structfaiss_1_1IndexFlatIP.html">faiss::IndexFlatIP</a> cpuIndexIP(dim);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndexL2(dim);</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a>* cpuIndex =</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  opt.useL2 ? (<a class="code" href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a>*) &cpuIndexL2 :</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  (<a class="code" href="structfaiss_1_1IndexFlat.html">faiss::IndexFlat</a>*) &cpuIndexIP;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</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="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// multiple devices</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</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="l00069"></a><span class="lineno"> 69</span> </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</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="l00071"></a><span class="lineno"> 71</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="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html">faiss::gpu::GpuIndexFlatConfig</a> config;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57">device</a> = device;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d">useFloat16</a> = opt.useFloat16;</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0">storeTransposed</a> = opt.useTransposed;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatIP.html">faiss::gpu::GpuIndexFlatIP</a> gpuIndexIP(&res, dim, config);</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndexL2(&res, dim, config);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</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="l00083"></a><span class="lineno"> 83</span>  opt.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="l00084"></a><span class="lineno"> 84</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="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</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="l00088"></a><span class="lineno"> 88</span>  gpuIndex-><a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a35d31b6b5ea89629b369655fd03bd505">add</a>(numVecs, vecs.data());</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::stringstream str;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  str << (opt.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="l00092"></a><span class="lineno"> 92</span>  << <span class="stringliteral">" dim "</span> << dim</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  << <span class="stringliteral">" useFloat16 "</span> << opt.useFloat16</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  << <span class="stringliteral">" transposed "</span> << opt.useTransposed</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  << <span class="stringliteral">" numQuery "</span> << numQuery</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  << <span class="stringliteral">" k "</span> << k;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</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="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// for float16</span></div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  faiss::gpu::compareIndices(*cpuIndex, *gpuIndex, numQuery, dim, k, str.str(),</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  opt.useFloat16 ? kF16MaxRelErr : kF32MaxRelErr,</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// FIXME: the fp16 bounds are</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// useless when math (the accumulator) is</span></div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// in fp16. Figure out another way to test</span></div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  opt.useFloat16 ? 0.99f : 0.1f,</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  opt.useFloat16 ? 0.65f : 0.015f);</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> TEST(TestGpuIndexFlat, IP_Float32) {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</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="l00111"></a><span class="lineno"> 111</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  opt.useL2 = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  opt.useFloat16 = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  testFlat(opt);</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  opt.useTransposed = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  testFlat(opt);</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, L2_Float32) {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</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="l00127"></a><span class="lineno"> 127</span>  faiss::gpu::newTestSeed();</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>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  opt.useL2 = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  opt.useFloat16 = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  testFlat(opt);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  opt.useTransposed = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  testFlat(opt);</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</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> <span class="comment">// test specialized k == 1 codepath</span></div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> TEST(TestGpuIndexFlat, L2_Float32_K1) {</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</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="l00144"></a><span class="lineno"> 144</span>  faiss::gpu::newTestSeed();</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>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  opt.useL2 = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  opt.useFloat16 = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  opt.kOverride = 1;</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>  testFlat(opt);</div>
|
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</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> </div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> TEST(TestGpuIndexFlat, IP_Float16) {</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</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="l00158"></a><span class="lineno"> 158</span>  faiss::gpu::newTestSeed();</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>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
|
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  opt.useL2 = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  opt.useFloat16 = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
|
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  testFlat(opt);</div>
|
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
|
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  opt.useTransposed = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  testFlat(opt);</div>
|
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
|
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> }</div>
|
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> TEST(TestGpuIndexFlat, L2_Float16) {</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</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="l00174"></a><span class="lineno"> 174</span>  faiss::gpu::newTestSeed();</div>
|
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
|
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  opt.useL2 = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  opt.useFloat16 = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
|
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  testFlat(opt);</div>
|
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<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>  opt.useTransposed = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  testFlat(opt);</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</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> <span class="comment">// test specialized k == 1 codepath</span></div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> TEST(TestGpuIndexFlat, L2_Float16_K1) {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 5; ++tries) {</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  faiss::gpu::newTestSeed();</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  opt.useL2 = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  opt.useFloat16 = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  opt.kOverride = 1;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  testFlat(opt);</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> }</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">// test tiling along a huge vector set</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> TEST(TestGpuIndexFlat, L2_Tiling) {</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> tries = 0; tries < 3; ++tries) {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  faiss::gpu::newTestSeed();</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="structTestFlatOptions.html">TestFlatOptions</a> opt;</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  opt.useL2 = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  opt.useFloat16 = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  opt.useTransposed = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  opt.numVecsOverride = 1000000;</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  opt.numQueriesOverride = 8;</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>  testFlat(opt);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  opt.useTransposed = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  testFlat(opt);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</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> </div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> TEST(TestGpuIndexFlat, QueryEmpty) {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a> res;</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  res.<a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html#a6431477a7328ac147797b3b4e3fcf651">noTempMemory</a>();</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html">faiss::gpu::GpuIndexFlatConfig</a> config;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57">device</a> = 0;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d">useFloat16</a> = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0">storeTransposed</a> = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordtype">int</span> dim = 128;</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndex(&res, dim, config);</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Querying an empty index should not blow up, and just return</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// (FLT_MAX, -1)</span></div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">int</span> numQuery = 10;</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordtype">int</span> k = 50;</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  std::vector<float> queries(numQuery * dim, 1.0f);</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  std::vector<float> dist(numQuery * k, 0);</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  std::vector<faiss::Index::idx_t> ind(numQuery * k);</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#ac0f0301829363f920e619f673a4d97f3">search</a>(numQuery, queries.data(), k, dist.data(), ind.data());</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> d : dist) {</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  EXPECT_EQ(d, std::numeric_limits<float>::max());</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> i : ind) {</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  EXPECT_EQ(i, -1);</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> }</div>
|
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> TEST(TestGpuIndexFlat, CopyFrom) {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  faiss::gpu::newTestSeed();</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">int</span> numVecs = faiss::gpu::randVal(100, 200);</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">int</span> dim = faiss::gpu::randVal(1, 1000);</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndex(dim);</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  cpuIndex.<a class="code" href="structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c">add</a>(numVecs, vecs.data());</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</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="l00266"></a><span class="lineno"> 266</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="l00267"></a><span class="lineno"> 267</span> </div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// Fill with garbage values</span></div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</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="l00270"></a><span class="lineno"> 270</span> </div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html">faiss::gpu::GpuIndexFlatConfig</a> config;</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57">device</a> = 0;</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d">useFloat16</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0">storeTransposed</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndex(&res, 2000, config);</div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</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="l00278"></a><span class="lineno"> 278</span> </div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</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>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  EXPECT_EQ(gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>, numVecs);</div>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</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>
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, dim);</div>
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<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div>
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordtype">int</span> idx = faiss::gpu::randVal(0, numVecs - 1);</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  std::vector<float> gpuVals(dim);</div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd">reconstruct</a>(idx, gpuVals.data());</div>
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<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  std::vector<float> cpuVals(dim);</div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  cpuIndex.<a class="code" href="structfaiss_1_1IndexFlat.html#ae4b33315752b62cff1626f9f967167b1">reconstruct</a>(idx, cpuVals.data());</div>
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<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> </div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  EXPECT_EQ(gpuVals, cpuVals);</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> }</div>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
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<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> TEST(TestGpuIndexFlat, CopyTo) {</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  faiss::gpu::newTestSeed();</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</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="l00300"></a><span class="lineno"> 300</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="l00301"></a><span class="lineno"> 301</span> </div>
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<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">int</span> numVecs = faiss::gpu::randVal(100, 200);</div>
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordtype">int</span> dim = faiss::gpu::randVal(1, 1000);</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</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="l00306"></a><span class="lineno"> 306</span> </div>
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html">faiss::gpu::GpuIndexFlatConfig</a> config;</div>
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<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57">device</a> = device;</div>
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|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d">useFloat16</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0">storeTransposed</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndex(&res, dim, config);</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div>
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<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a35d31b6b5ea89629b369655fd03bd505">add</a>(numVecs, vecs.data());</div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// Fill with garbage values</span></div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndex(2000);</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39">copyTo</a>(&cpuIndex);</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</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>
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|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  EXPECT_EQ(gpuIndex.<a class="code" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a>, numVecs);</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</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>
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|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  EXPECT_EQ(cpuIndex.<a class="code" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, dim);</div>
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|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">int</span> idx = faiss::gpu::randVal(0, numVecs - 1);</div>
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|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
|
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  std::vector<float> gpuVals(dim);</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  gpuIndex.<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd">reconstruct</a>(idx, gpuVals.data());</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> </div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  std::vector<float> cpuVals(dim);</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  cpuIndex.<a class="code" href="structfaiss_1_1IndexFlat.html#ae4b33315752b62cff1626f9f967167b1">reconstruct</a>(idx, cpuVals.data());</div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  EXPECT_EQ(gpuVals, cpuVals);</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> }</div>
|
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> TEST(TestGpuIndexFlat, UnifiedMemory) {</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</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="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// multiple devices</span></div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</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="l00342"></a><span class="lineno"> 342</span> </div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (!faiss::gpu::getFullUnifiedMemSupport(device)) {</div>
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|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span>;</div>
|
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordtype">int</span> dim = 256;</div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">// FIXME: GpuIndexFlat doesn't support > 2^31 (vecs * dims) due to</span></div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// kernel indexing, so we can't test unified memory for memory</span></div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="comment">// oversubscription.</span></div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordtype">size_t</span> numVecs = 50000;</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordtype">int</span> numQuery = 10;</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordtype">int</span> k = 10;</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="structfaiss_1_1IndexFlatL2.html">faiss::IndexFlatL2</a> cpuIndexL2(dim);</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</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="l00359"></a><span class="lineno"> 359</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="l00360"></a><span class="lineno"> 360</span> </div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html">faiss::gpu::GpuIndexFlatConfig</a> config;</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57">device</a> = device;</div>
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|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  config.<a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#adf7c9461009108a9a433a077ab322d2e">memorySpace</a> = faiss::gpu::MemorySpace::Unified;</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a> gpuIndexL2(&res, dim, config);</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  std::vector<float> vecs = faiss::gpu::randVecs(numVecs, dim);</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  cpuIndexL2.add(numVecs, vecs.data());</div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  gpuIndexL2.add(numVecs, vecs.data());</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// To some extent, we depend upon the relative error for the test</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="comment">// for float16</span></div>
|
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  faiss::gpu::compareIndices(cpuIndexL2, gpuIndexL2,</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  numQuery, dim, k, <span class="stringliteral">"Unified Memory"</span>,</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  kF32MaxRelErr,</div>
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<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  0.1f,</div>
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<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  0.015f);</div>
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<div class="line"><a name="l00378"></a><span class="lineno"> 378</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#l00023">IndexFlat.h:23</a></div></div>
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<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html_a0342a26f5e59563bfe04f3f80e3b27f0"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0">faiss::gpu::GpuIndexFlatConfig::storeTransposed</a></div><div class="ttdeci">bool storeTransposed</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00048">GpuIndexFlat.h:48</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#l00120">GpuIndexFlat.cu:120</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#l00076">StandardGpuResources.cpp:76</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#l00079">IndexFlat.h:79</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">void reconstruct(idx_t key, float *recons) const override</div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00118">IndexFlat.cpp:118</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#l00073">IndexFlat.h:73</a></div></div>
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<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html_afd694186c87751937a646f3db2c8ba3d"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d">faiss::gpu::GpuIndexFlatConfig::useFloat16</a></div><div class="ttdeci">bool useFloat16</div><div class="ttdoc">Whether or not data is stored as float16. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00035">GpuIndexFlat.h:35</a></div></div>
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<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexConfig_html_aab05a0aa7b42feae7df4e556a52ead57"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57">faiss::gpu::GpuIndexConfig::device</a></div><div class="ttdeci">int device</div><div class="ttdoc">GPU device on which the index is resident. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndex_8h_source.html#l00027">GpuIndex.h:27</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#l00064">Index.h:64</a></div></div>
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<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html">faiss::gpu::GpuIndexFlatConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00027">GpuIndexFlat.h:27</a></div></div>
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<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexConfig_html_adf7c9461009108a9a433a077ab322d2e"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexConfig.html#adf7c9461009108a9a433a077ab322d2e">faiss::gpu::GpuIndexConfig::memorySpace</a></div><div class="ttdeci">MemorySpace memorySpace</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndex_8h_source.html#l00032">GpuIndex.h:32</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#l00023">StandardGpuResources.h:23</a></div></div>
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<div class="ttc" id="structTestFlatOptions_html"><div class="ttname"><a href="structTestFlatOptions.html">TestFlatOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="TestGpuIndexFlat_8cpp_source.html#l00024">TestGpuIndexFlat.cpp: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#l00491">GpuIndexFlat.cu:491</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#l00065">Index.h:65</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">void add(idx_t n, const float *x) override</div><div class="ttdef"><b>Definition:</b> <a href="IndexFlat_8cpp_source.html#l00030">IndexFlat.cpp:30</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#l00194">GpuIndexFlat.h:194</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#l00087">GpuIndexFlat.cu:87</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#l00169">GpuIndexFlat.h:169</a></div></div>
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<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html_a35d31b6b5ea89629b369655fd03bd505"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html#a35d31b6b5ea89629b369655fd03bd505">faiss::gpu::GpuIndexFlat::add</a></div><div class="ttdeci">void add(faiss::Index::idx_t, const float *x) override</div><div class="ttdoc">Overrides to avoid excessive copies. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8cu_source.html#l00162">GpuIndexFlat.cu:162</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#l00054">GpuIndexFlat.h:54</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#l00205">GpuIndexFlat.cu:205</a></div></div>
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