• Lucas Hosseini's avatar
    Facebook sync (May 2019) + relicense (#838) · a8118acb
    Lucas Hosseini authored
    Changelog:
    
    - changed license: BSD+Patents -> MIT
    - propagates exceptions raised in sub-indexes of IndexShards and IndexReplicas
    - support for searching several inverted lists in parallel (parallel_mode != 0)
    - better support for PQ codes where nbit != 8 or 16
    - IVFSpectralHash implementation: spectral hash codes inside an IVF
    - 6-bit per component scalar quantizer (4 and 8 bit were already supported)
    - combinations of inverted lists: HStackInvertedLists and VStackInvertedLists
    - configurable number of threads for OnDiskInvertedLists prefetching (including 0=no prefetch)
    - more test and demo code compatible with Python 3 (print with parentheses)
    - refactored benchmark code: data loading is now in a single file
    Unverified
    a8118acb
GpuIndexBinaryFlat_8h_source.html 28.6 KB
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<div class="title">GpuIndexBinaryFlat.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) Facebook, Inc. and its affiliates.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * This source code is licensed under the MIT license found in the</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;../IndexBinaryFlat.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;GpuIndex.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="keyword">namespace </span>faiss { <span class="keyword">namespace </span>gpu {</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">class </span>BinaryFlatIndex;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">class </span>GpuResources;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">   18</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">GpuIndexBinaryFlatConfig</a> : <span class="keyword">public</span> <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexConfig.html">GpuIndexConfig</a> {</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;};</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">/// A GPU version of IndexBinaryFlat for brute-force comparison of bit vectors</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">/// via Hamming distance</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html">   23</a></span>&#160;<span class="comment"></span><span class="keyword">class </span><a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html">GpuIndexBinaryFlat</a> : <span class="keyword">public</span> <a class="code" href="structfaiss_1_1IndexBinary.html">IndexBinary</a> {</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; <span class="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">  /// Construct from a pre-existing faiss::IndexBinaryFlat instance, copying</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">  /// data over to the given GPU</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"></span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec">GpuIndexBinaryFlat</a>(<a class="code" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a>* resources,</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;                     <span class="keyword">const</span> <a class="code" href="structfaiss_1_1IndexBinaryFlat.html">faiss::IndexBinaryFlat</a>* index,</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;                     <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">GpuIndexBinaryFlatConfig</a> config =</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;                     <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">GpuIndexBinaryFlatConfig</a>());</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">  /// Construct an empty instance that can be added to</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"></span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec">GpuIndexBinaryFlat</a>(<a class="code" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a>* resources,</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;                     <span class="keywordtype">int</span> dims,</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;                     <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">GpuIndexBinaryFlatConfig</a> config =</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;                     <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">GpuIndexBinaryFlatConfig</a>());</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  ~<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html">GpuIndexBinaryFlat</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">  /// Initialize ourselves from the given CPU index; will overwrite</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">  /// all data in ourselves</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"></span>  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1acf93b118b4136857b5dd9ab614e901">copyFrom</a>(<span class="keyword">const</span> <a class="code" href="structfaiss_1_1IndexBinaryFlat.html">faiss::IndexBinaryFlat</a>* index);</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">  /// Copy ourselves to the given CPU index; will overwrite all data</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">  /// in the index instance</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"></span>  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1e4c6f64fa04d9e2b035c1e390ca91f3">copyTo</a>(<a class="code" href="structfaiss_1_1IndexBinaryFlat.html">faiss::IndexBinaryFlat</a>* index) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a84b9c07089abd5c0fa8f07a7a22de047">add</a>(<a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a> n,</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;           <span class="keyword">const</span> uint8_t* x) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac8f14dd3257963082fa638d24df244d6">reset</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#aa4d81e853f4194a8b865fcfe7dddd050">search</a>(<a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a> n,</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;              <span class="keyword">const</span> uint8_t* x,</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;              <a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a> k,</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;              int32_t* distances,</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;              <a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a>* labels) <span class="keyword">const override</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a9b16b11b5fcc5cc97359e684f5e4a338">reconstruct</a>(<a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a> key,</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;                   uint8_t* recons) <span class="keyword">const override</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; <span class="keyword">protected</span>:<span class="comment"></span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">  /// Called from search when the input data is on the CPU;</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">  /// potentially allows for pinned memory usage</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment"></span>  <span class="keywordtype">void</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a126b2d8af97627f062deaf955164bb41">searchFromCpuPaged_</a>(<span class="keywordtype">int</span> n,</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                           <span class="keyword">const</span> uint8_t* x,</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                           <span class="keywordtype">int</span> k,</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;                           int32_t* outDistancesData,</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                           <span class="keywordtype">int</span>* outIndicesData) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  <span class="keywordtype">void</span> searchNonPaged_(<span class="keywordtype">int</span> n,</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                       <span class="keyword">const</span> uint8_t* x,</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                       <span class="keywordtype">int</span> k,</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                       int32_t* outDistancesData,</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;                       <span class="keywordtype">int</span>* outIndicesData) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; <span class="keyword">protected</span>:<span class="comment"></span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">  /// Manages streans, cuBLAS handles and scratch memory for devices</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48">   79</a></span>&#160;<span class="comment"></span>  <a class="code" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a>* <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48">resources_</a>;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">  /// Configuration options</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5">   82</a></span>&#160;<span class="comment"></span>  <a class="code" href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">GpuIndexBinaryFlatConfig</a> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5">config_</a>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">  /// Holds our GPU data containing the list of vectors; is managed via raw</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">  /// pointer so as to allow non-CUDA compilers to see this header</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671">   86</a></span>&#160;<span class="comment"></span>  <a class="code" href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html">BinaryFlatIndex</a>* <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671">data_</a>;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;};</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;} } <span class="comment">// namespace gpu</span></div>
<div class="ttc" id="structfaiss_1_1IndexBinaryFlat_html"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFlat.html">faiss::IndexBinaryFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFlat_8h_source.html#l00021">IndexBinaryFlat.h:21</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_ac8f14dd3257963082fa638d24df244d6"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac8f14dd3257963082fa638d24df244d6">faiss::gpu::GpuIndexBinaryFlat::reset</a></div><div class="ttdeci">void reset() override</div><div class="ttdoc">Removes all elements from the database. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00138">GpuIndexBinaryFlat.cu:138</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1BinaryFlatIndex_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html">faiss::gpu::BinaryFlatIndex</a></div><div class="ttdoc">Holder of GPU resources for a particular flat index. </div><div class="ttdef"><b>Definition:</b> <a href="BinaryFlatIndex_8cuh_source.html#l00020">BinaryFlatIndex.cuh:20</a></div></div>
<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig_html"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html">faiss::gpu::GpuIndexBinaryFlatConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8h_source.html#l00018">GpuIndexBinaryFlat.h:18</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a1e4c6f64fa04d9e2b035c1e390ca91f3"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1e4c6f64fa04d9e2b035c1e390ca91f3">faiss::gpu::GpuIndexBinaryFlat::copyTo</a></div><div class="ttdeci">void copyTo(faiss::IndexBinaryFlat *index) const </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00098">GpuIndexBinaryFlat.cu:98</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuResources_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuResources.html">faiss::gpu::GpuResources</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuResources_8h_source.html#l00021">GpuResources.h:21</a></div></div>
<div class="ttc" id="structfaiss_1_1IndexBinary_html_a01749bbdbd3b7ec6bb9390257ab16c5c"><div class="ttname"><a href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a></div><div class="ttdeci">Index::idx_t idx_t</div><div class="ttdoc">all indices are this type </div><div class="ttdef"><b>Definition:</b> <a href="IndexBinary_8h_source.html#l00037">IndexBinary.h:37</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a84b9c07089abd5c0fa8f07a7a22de047"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a84b9c07089abd5c0fa8f07a7a22de047">faiss::gpu::GpuIndexBinaryFlat::add</a></div><div class="ttdeci">void add(faiss::IndexBinary::idx_t n, const uint8_t *x) override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00116">GpuIndexBinaryFlat.cu:116</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a11662bc71807172633411268d623f9a5"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5">faiss::gpu::GpuIndexBinaryFlat::config_</a></div><div class="ttdeci">GpuIndexBinaryFlatConfig config_</div><div class="ttdoc">Configuration options. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8h_source.html#l00082">GpuIndexBinaryFlat.h:82</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_aa4d81e853f4194a8b865fcfe7dddd050"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#aa4d81e853f4194a8b865fcfe7dddd050">faiss::gpu::GpuIndexBinaryFlat::search</a></div><div class="ttdeci">void search(faiss::IndexBinary::idx_t n, const uint8_t *x, faiss::IndexBinary::idx_t k, int32_t *distances, faiss::IndexBinary::idx_t *labels) const override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00147">GpuIndexBinaryFlat.cu:147</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_ac3cead0aa496ebe1a46f26a58e566f48"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48">faiss::gpu::GpuIndexBinaryFlat::resources_</a></div><div class="ttdeci">GpuResources * resources_</div><div class="ttdoc">Manages streans, cuBLAS handles and scratch memory for devices. </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8h_source.html#l00079">GpuIndexBinaryFlat.h:79</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a126b2d8af97627f062deaf955164bb41"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a126b2d8af97627f062deaf955164bb41">faiss::gpu::GpuIndexBinaryFlat::searchFromCpuPaged_</a></div><div class="ttdeci">void searchFromCpuPaged_(int n, const uint8_t *x, int k, int32_t *outDistancesData, int *outIndicesData) const </div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00252">GpuIndexBinaryFlat.cu:252</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a9b16b11b5fcc5cc97359e684f5e4a338"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a9b16b11b5fcc5cc97359e684f5e4a338">faiss::gpu::GpuIndexBinaryFlat::reconstruct</a></div><div class="ttdeci">void reconstruct(faiss::IndexBinary::idx_t key, uint8_t *recons) const override</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00281">GpuIndexBinaryFlat.cu:281</a></div></div>
<div class="ttc" id="structfaiss_1_1IndexBinary_html"><div class="ttname"><a href="structfaiss_1_1IndexBinary.html">faiss::IndexBinary</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexBinary_8h_source.html#l00036">IndexBinary.h:36</a></div></div>
<div class="ttc" id="structfaiss_1_1gpu_1_1GpuIndexConfig_html"><div class="ttname"><a href="structfaiss_1_1gpu_1_1GpuIndexConfig.html">faiss::gpu::GpuIndexConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndex_8h_source.html#l00018">GpuIndex.h:18</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a1acf93b118b4136857b5dd9ab614e901"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1acf93b118b4136857b5dd9ab614e901">faiss::gpu::GpuIndexBinaryFlat::copyFrom</a></div><div class="ttdeci">void copyFrom(const faiss::IndexBinaryFlat *index)</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00070">GpuIndexBinaryFlat.cu:70</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_afb7ce7aeea2824e99144c6c145dd1aec"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec">faiss::gpu::GpuIndexBinaryFlat::GpuIndexBinaryFlat</a></div><div class="ttdeci">GpuIndexBinaryFlat(GpuResources *resources, const faiss::IndexBinaryFlat *index, GpuIndexBinaryFlatConfig config=GpuIndexBinaryFlatConfig())</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8cu_source.html#l00024">GpuIndexBinaryFlat.cu:24</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html">faiss::gpu::GpuIndexBinaryFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8h_source.html#l00023">GpuIndexBinaryFlat.h:23</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a6db31064a68a6f34b54a837dee4bf671"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671">faiss::gpu::GpuIndexBinaryFlat::data_</a></div><div class="ttdeci">BinaryFlatIndex * data_</div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexBinaryFlat_8h_source.html#l00086">GpuIndexBinaryFlat.h:86</a></div></div>
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