Skip to content

F
faiss
Switch branch/tag
Find file
BlameHistoryPermalink
PerfClustering_8cpp_source.html 24.7 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.5"/>
<title>Faiss: PerfClustering.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">Faiss
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.5 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="namespaces.html"><span>Namespaces</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
    </ul>
  </div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Friends</a></div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="dir_6b3ae6988449b0834e9596fad5d75199.html">gpu</a></li><li class="navelem"><a class="el" href="dir_02dc1cf4df13911cc8cfd20f07047b71.html">perf</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="headertitle">
<div class="title">PerfClustering.cpp</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This source code is licensed under the CC-by-NC license found in the</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &quot;../../utils.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;../../Clustering.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;../GpuIndexFlat.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &quot;../StandardGpuResources.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &quot;IndexWrapper.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &quot;../utils/DeviceUtils.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &quot;../utils/Timer.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;gflags/gflags.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;cuda_profiler_api.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;DEFINE_int32(num, 10000, <span class="stringliteral">&quot;# of vecs&quot;</span>);</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;DEFINE_int32(k, 100, <span class="stringliteral">&quot;# of clusters&quot;</span>);</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;DEFINE_int32(dim, 128, <span class="stringliteral">&quot;# of dimensions&quot;</span>);</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;DEFINE_int32(niter, 10, <span class="stringliteral">&quot;# of iterations&quot;</span>);</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;DEFINE_bool(L2_metric, <span class="keyword">true</span>, <span class="stringliteral">&quot;If true, use L2 metric. If false, use IP metric&quot;</span>);</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;DEFINE_bool(use_float16, <span class="keyword">false</span>, <span class="stringliteral">&quot;use float16 vectors and math&quot;</span>);</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;DEFINE_bool(verbose, <span class="keyword">false</span>, <span class="stringliteral">&quot;turn on clustering logging&quot;</span>);</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;DEFINE_int64(seed, -1, <span class="stringliteral">&quot;specify random seed&quot;</span>);</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;DEFINE_int32(num_gpus, 1, <span class="stringliteral">&quot;number of gpus to use&quot;</span>);</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;DEFINE_int64(min_paging_size, -1, <span class="stringliteral">&quot;minimum size to use CPU -&gt; GPU paged copies&quot;</span>);</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;DEFINE_int64(pinned_mem, -1, <span class="stringliteral">&quot;pinned memory allocation to use&quot;</span>);</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;DEFINE_int32(max_points, -1, <span class="stringliteral">&quot;max points per centroid&quot;</span>);</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;<span class="keyword">using namespace </span>faiss::gpu;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) {</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;  google::ParseCommandLineFlags(&amp;argc, &amp;argv, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;  cudaProfilerStop();</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;  <span class="keyword">auto</span> seed = FLAGS_seed != -1L ? FLAGS_seed : time(<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  printf(<span class="stringliteral">&quot;using seed %ld\n&quot;</span>, seed);</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;  std::vector&lt;float&gt; vecs((<span class="keywordtype">size_t</span>) FLAGS_num * FLAGS_dim);</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;  faiss::float_rand(vecs.data(), vecs.size(), seed);</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;  printf(<span class="stringliteral">&quot;K-means metric %s dim %d centroids %d num train %d niter %d\n&quot;</span>,</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;         FLAGS_L2_metric ? <span class="stringliteral">&quot;L2&quot;</span> : <span class="stringliteral">&quot;IP&quot;</span>,</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;         FLAGS_dim, FLAGS_k, FLAGS_num, FLAGS_niter);</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  printf(<span class="stringliteral">&quot;float16 math %s\n&quot;</span>, FLAGS_use_float16 ? <span class="stringliteral">&quot;enabled&quot;</span> : <span class="stringliteral">&quot;disabled&quot;</span>);</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  printf(<span class="stringliteral">&quot;verbose %s\n&quot;</span>, FLAGS_verbose ? <span class="stringliteral">&quot;enabled&quot;</span> : <span class="stringliteral">&quot;disabled&quot;</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  <span class="keyword">auto</span> initFn = [](<a class="code" href="classfaiss_1_1gpu_1_1GpuResources.html">faiss::gpu::GpuResources</a>* res, <span class="keywordtype">int</span> dev) -&gt;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    std::unique_ptr&lt;faiss::gpu::GpuIndexFlat&gt; {</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordflow">if</span> (FLAGS_pinned_mem &gt;= 0) {</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;      ((<a class="code" href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a>*) res)-&gt;setPinnedMemory(</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        FLAGS_pinned_mem);</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    }</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">auto</span> p = std::unique_ptr&lt;faiss::gpu::GpuIndexFlat&gt;(</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;      FLAGS_L2_metric ?</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;      (<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a>*)</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;      <span class="keyword">new</span> <a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a>(res, dev, FLAGS_dim, FLAGS_use_float16) :</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;      (faiss::gpu::<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">GpuIndexFlat</a>*)</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      new faiss::gpu::<a class="code" href="classfaiss_1_1gpu_1_1GpuIndexFlatIP.html">GpuIndexFlatIP</a>(res, dev, FLAGS_dim, FLAGS_use_float16));</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="keywordflow">if</span> (FLAGS_min_paging_size &gt;= 0) {</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      p-&gt;setMinPagingSize(FLAGS_min_paging_size);</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    }</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <span class="keywordflow">return</span> p;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  };</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <a class="code" href="structfaiss_1_1gpu_1_1IndexWrapper.html">IndexWrapper&lt;faiss::gpu::GpuIndexFlat&gt;</a> gpuIndex(FLAGS_num_gpus, initFn);</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  CUDA_VERIFY(cudaProfilerStart());</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;  faiss::gpu::synchronizeAllDevices();</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="keywordtype">float</span> gpuTime = 0.0f;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <a class="code" href="structfaiss_1_1ClusteringParameters.html">faiss::ClusteringParameters</a> cp;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;  cp.<a class="code" href="structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9">niter</a> = FLAGS_niter;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  cp.verbose = FLAGS_verbose;</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;  <span class="keywordflow">if</span> (FLAGS_max_points &gt; 0) {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    cp.<a class="code" href="structfaiss_1_1ClusteringParameters.html#a993e0a035248faad6e292a5ef9af1953">max_points_per_centroid</a> = FLAGS_max_points;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  }</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;  <a class="code" href="structfaiss_1_1Clustering.html">faiss::Clustering</a> kmeans(FLAGS_dim, FLAGS_k, cp);</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  <span class="comment">// Time k-means</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  {</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html">CpuTimer</a> timer;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    kmeans.train(FLAGS_num, vecs.data(), *(gpuIndex.getIndex()));</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="comment">// There is a device -&gt; host copy above, so no need to time</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="comment">// additional synchronization with the GPU</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    gpuTime = timer.<a class="code" href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d">elapsedMilliseconds</a>();</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  }</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;  CUDA_VERIFY(cudaProfilerStop());</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  printf(<span class="stringliteral">&quot;k-means time %.3f ms\n&quot;</span>, gpuTime);</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  CUDA_VERIFY(cudaDeviceSynchronize());</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;}</div>
<div class="ttc" id="classfaiss_1_1gpu_1_1CpuTimer_html_a4a2795debf10bc7eb904d62356e41f0d"><div class="ttname"><a href="classfaiss_1_1gpu_1_1CpuTimer.html#a4a2795debf10bc7eb904d62356e41f0d">faiss::gpu::CpuTimer::elapsedMilliseconds</a></div><div class="ttdeci">float elapsedMilliseconds()</div><div class="ttdoc">Returns elapsed time in milliseconds. </div><div class="ttdef"><b>Definition:</b> <a href="Timer_8cpp_source.html#l00053">Timer.cpp:53</a></div></div>
<div class="ttc" id="structfaiss_1_1ClusteringParameters_html_a5c7c6f05c75e1668befdb3be148fd5f9"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9">faiss::ClusteringParameters::niter</a></div><div class="ttdeci">int niter</div><div class="ttdoc">clustering iterations </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00026">Clustering.h:26</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#l00024">GpuResources.h:24</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1CpuTimer_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1CpuTimer.html">faiss::gpu::CpuTimer</a></div><div class="ttdoc">CPU wallclock elapsed timer. </div><div class="ttdef"><b>Definition:</b> <a href="Timer_8h_source.html#l00043">Timer.h:43</a></div></div>
<div class="ttc" id="structfaiss_1_1Clustering_html"><div class="ttname"><a href="structfaiss_1_1Clustering.html">faiss::Clustering</a></div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00058">Clustering.h:58</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1StandardGpuResources_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1StandardGpuResources.html">faiss::gpu::StandardGpuResources</a></div><div class="ttdef"><b>Definition:</b> <a href="StandardGpuResources_8h_source.html#l00024">StandardGpuResources.h:24</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlatIP_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlatIP.html">faiss::gpu::GpuIndexFlatIP</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00158">GpuIndexFlat.h:158</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlatL2_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlatL2.html">faiss::gpu::GpuIndexFlatL2</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00131">GpuIndexFlat.h:131</a></div></div>
<div class="ttc" id="structfaiss_1_1ClusteringParameters_html"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html">faiss::ClusteringParameters</a></div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00025">Clustering.h:25</a></div></div>
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuIndexFlat_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">faiss::gpu::GpuIndexFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="GpuIndexFlat_8h_source.html#l00031">GpuIndexFlat.h:31</a></div></div>
<div class="ttc" id="structfaiss_1_1ClusteringParameters_html_a993e0a035248faad6e292a5ef9af1953"><div class="ttname"><a href="structfaiss_1_1ClusteringParameters.html#a993e0a035248faad6e292a5ef9af1953">faiss::ClusteringParameters::max_points_per_centroid</a></div><div class="ttdeci">int max_points_per_centroid</div><div class="ttdoc">to limit size of dataset </div><div class="ttdef"><b>Definition:</b> <a href="Clustering_8h_source.html#l00035">Clustering.h:35</a></div></div>
<div class="ttc" id="structfaiss_1_1gpu_1_1IndexWrapper_html"><div class="ttname"><a href="structfaiss_1_1gpu_1_1IndexWrapper.html">faiss::gpu::IndexWrapper</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexWrapper_8h_source.html#l00026">IndexWrapper.h:26</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.5
</small></address>
</body>
</html>