mirror of
https://github.com/facebookresearch/faiss.git
synced 2025-06-03 21:54:02 +08:00
0df3f646fc
various bugfixes from github issues kmean with some frozen centroids GPU better tiling for large flat datasets default AVX for vector ops
399 lines
46 KiB
HTML
399 lines
46 KiB
HTML
<!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: /data/users/matthijs/github_faiss/faiss/gpu/test/TestUtils.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 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 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"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </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_43be364029218a94c5bcb5d8c78d7156.html">test</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">TestUtils.cpp</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2015-present, Facebook, Inc.</span></div>
|
|
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved.</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
|
|
<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>
|
|
<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>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Copyright 2004-present Facebook. All Rights Reserved.</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "../test/TestUtils.h"</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "../../utils.h"</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <cmath></span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <gtest/gtest.h></span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <set></span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <sstream></span></div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <time.h></span></div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <unordered_map></span></div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>faiss { <span class="keyword">namespace </span>gpu {</div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">inline</span> <span class="keywordtype">float</span> relativeError(<span class="keywordtype">float</span> a, <span class="keywordtype">float</span> b) {</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">return</span> std::abs(a - b) / (0.5f * (std::abs(a) + std::abs(b)));</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> }</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// This seed is also used for the faiss float_rand API; in a test it</span></div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// is all within a single thread, so it is ok</span></div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keywordtype">long</span> s_seed = 1;</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keywordtype">void</span> newTestSeed() {</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">struct </span>timespec t;</div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  clock_gettime(CLOCK_REALTIME, &t);</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  setTestSeed(t.tv_nsec);</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> }</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">void</span> setTestSeed(<span class="keywordtype">long</span> seed) {</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  printf(<span class="stringliteral">"testing with random seed %ld\n"</span>, seed);</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  srand48(seed);</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  s_seed = seed;</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">int</span> randVal(<span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b) {</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  EXPECT_GE(a, 0);</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  EXPECT_LE(a, b);</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> a + (lrand48() % (b + 1 - a));</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keywordtype">bool</span> randBool() {</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> randSelect<bool>({<span class="keyword">true</span>, <span class="keyword">false</span>});</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> std::vector<float> randVecs(<span class="keywordtype">size_t</span> num, <span class="keywordtype">size_t</span> dim) {</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::vector<float> v(num * dim);</div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> first = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  faiss::float_rand(v.data(), v.size(), s_seed);</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// unfortunately we generate separate sets of vectors, and don't</span></div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// want the same values</span></div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  ++s_seed;</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> v;</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">void</span> compareIndices(<span class="keyword">const</span> std::vector<float>& queryVecs,</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="structfaiss_1_1Index.html">faiss::Index</a>& refIndex,</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="structfaiss_1_1Index.html">faiss::Index</a>& testIndex,</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">int</span> numQuery, <span class="keywordtype">int</span> dim, <span class="keywordtype">int</span> k,</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> std::string& configMsg,</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">float</span> maxRelativeError,</div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">float</span> pctMaxDiff1,</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">float</span> pctMaxDiffN) {</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// Compare</span></div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  std::vector<float> refDistance(numQuery * k, 0);</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::vector<faiss::Index::idx_t> refIndices(numQuery * k, -1);</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  refIndex.<a class="code" href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">search</a>(numQuery, queryVecs.data(),</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  k, refDistance.data(), refIndices.data());</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::vector<float> testDistance(numQuery * k, 0);</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::vector<faiss::Index::idx_t> testIndices(numQuery * k, -1);</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  testIndex.<a class="code" href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">search</a>(numQuery, queryVecs.data(),</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  k, testDistance.data(), testIndices.data());</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  faiss::gpu::compareLists(refDistance.data(),</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  refIndices.data(),</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  testDistance.data(),</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  testIndices.data(),</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  numQuery, k,</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  configMsg,</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">true</span>, <span class="keyword">false</span>, <span class="keyword">true</span>,</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  maxRelativeError, pctMaxDiff1, pctMaxDiffN);</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keywordtype">void</span> compareIndices(<a class="code" href="structfaiss_1_1Index.html">faiss::Index</a>& refIndex,</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="structfaiss_1_1Index.html">faiss::Index</a>& testIndex,</div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> numQuery, <span class="keywordtype">int</span> dim, <span class="keywordtype">int</span> k,</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> std::string& configMsg,</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">float</span> maxRelativeError,</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">float</span> pctMaxDiff1,</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">float</span> pctMaxDiffN) {</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">auto</span> queryVecs = faiss::gpu::randVecs(numQuery, dim);</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  compareIndices(queryVecs,</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  refIndex,</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  testIndex,</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  numQuery, dim, k,</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  configMsg,</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  maxRelativeError,</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  pctMaxDiff1,</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  pctMaxDiffN);</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">inline</span> T lookup(<span class="keyword">const</span> T* p, <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j, <span class="keywordtype">int</span> <span class="comment">/*dim1*/</span>, <span class="keywordtype">int</span> dim2) {</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> p[i * dim2 + j];</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keywordtype">void</span> compareLists(<span class="keyword">const</span> <span class="keywordtype">float</span>* refDist,</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> <a class="code" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a>* refInd,</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> <span class="keywordtype">float</span>* testDist,</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> <a class="code" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a>* testInd,</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">int</span> dim1, <span class="keywordtype">int</span> dim2,</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> std::string& configMsg,</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> printBasicStats, <span class="keywordtype">bool</span> printDiffs, <span class="keywordtype">bool</span> assertOnErr,</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">float</span> maxRelativeError,</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">float</span> pctMaxDiff1,</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">float</span> pctMaxDiffN) {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">float</span> maxAbsErr = 0.0f;</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < dim1 * dim2; ++i) {</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  maxAbsErr = std::max(maxAbsErr, std::abs(refDist[i] - testDist[i]));</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">int</span> numResults = dim1 * dim2;</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// query -> {index -> result position}</span></div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  std::vector<std::unordered_map<faiss::Index::idx_t, int>> refIndexMap;</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> query = 0; query < dim1; ++query) {</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::unordered_map<faiss::Index::idx_t, int> indices;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> result = 0; result < dim2; ++result) {</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  indices[lookup(refInd, query, result, dim1, dim2)] = result;</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  refIndexMap.emplace_back(std::move(indices));</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// See how far off the indices are</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// Keep track of the difference for each entry</span></div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  std::vector<std::vector<int>> indexDiffs;</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">int</span> diff1 = 0; <span class="comment">// index differs by 1</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> diffN = 0; <span class="comment">// index differs by >1</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">int</span> diffInf = 0; <span class="comment">// index not found in the other</span></div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">int</span> nonUniqueIndices = 0;</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">double</span> avgDiff = 0.0;</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> maxDiff = 0;</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">float</span> maxRelErr = 0.0f;</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> query = 0; query < dim1; ++query) {</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  std::vector<int> diffs;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  std::set<faiss::Index::idx_t> uniqueIndices;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">auto</span>& indices = refIndexMap[query];</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> result = 0; result < dim2; ++result) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">auto</span> t = lookup(testInd, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// All indices reported within a query should be unique; this is</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// a serious error if is otherwise the case</span></div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">bool</span> uniqueIndex = uniqueIndices.count(t) == 0;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (assertOnErr) {</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  EXPECT_TRUE(uniqueIndex) << configMsg</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  << <span class="stringliteral">" "</span> << query</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  << <span class="stringliteral">" "</span> << result</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  << <span class="stringliteral">" "</span> << t;</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (!uniqueIndex) {</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  ++nonUniqueIndices;</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  uniqueIndices.insert(t);</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="keyword">auto</span> it = indices.find(t);</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (it != indices.end()) {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">int</span> diff = std::abs(result - it->second);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  diffs.push_back(diff);</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>  <span class="keywordflow">if</span> (diff == 1) {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  ++diff1;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  maxDiff = std::max(diff, maxDiff);</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (diff > 1) {</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  ++diffN;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  maxDiff = std::max(diff, maxDiff);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  avgDiff += (double) diff;</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  ++diffInf;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  diffs.push_back(-1);</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// don't count this for maxDiff</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">auto</span> refD = lookup(refDist, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keyword">auto</span> testD = lookup(testDist, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">float</span> relErr = relativeError(refD, testD);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (assertOnErr) {</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  EXPECT_LE(relErr, maxRelativeError) << configMsg</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  << <span class="stringliteral">" ("</span> << query << <span class="stringliteral">", "</span> << result</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  << <span class="stringliteral">") refD: "</span> << refD</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  << <span class="stringliteral">" testD: "</span> << testD;</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</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>  maxRelErr = std::max(maxRelErr, relErr);</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> </div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  indexDiffs.emplace_back(std::move(diffs));</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</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>  <span class="keywordflow">if</span> (assertOnErr) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  EXPECT_LE((<span class="keywordtype">float</span>) (diff1 + diffN + diffInf),</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  (<span class="keywordtype">float</span>) numResults * pctMaxDiff1) << configMsg;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// Don't count diffInf because that could be diff1 as far as we</span></div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// know</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  EXPECT_LE((<span class="keywordtype">float</span>) diffN, (<span class="keywordtype">float</span>) numResults * pctMaxDiffN) << configMsg;</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> </div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  avgDiff /= (double) numResults;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (printBasicStats) {</div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (!configMsg.empty()) {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  printf(<span class="stringliteral">"Config\n"</span></div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="stringliteral">"----------------------------\n"</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="stringliteral">"%s\n"</span>,</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  configMsg.c_str());</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</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>  printf(<span class="stringliteral">"Result error and differences\n"</span></div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="stringliteral">"----------------------------\n"</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="stringliteral">"max abs diff %.7f rel diff %.7f\n"</span></div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="stringliteral">"idx diff avg: %.5g max: %d\n"</span></div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="stringliteral">"idx diff of 1: %d (%.3f%% of queries)\n"</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="stringliteral">"idx diff of >1: %d (%.3f%% of queries)\n"</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="stringliteral">"idx diff not found: %d (%.3f%% of queries)"</span></div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="stringliteral">" [typically a last element inversion]\n"</span></div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="stringliteral">"non-unique indices: %d (a serious error if >0)\n"</span>,</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  maxAbsErr, maxRelErr,</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  avgDiff, maxDiff,</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  diff1, 100.0f * (<span class="keywordtype">float</span>) diff1 / (<span class="keywordtype">float</span>) numResults,</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  diffN, 100.0f * (<span class="keywordtype">float</span>) diffN / (<span class="keywordtype">float</span>) numResults,</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  diffInf, 100.0f * (<span class="keywordtype">float</span>) diffInf / (<span class="keywordtype">float</span>) numResults,</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  nonUniqueIndices);</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  }</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>  <span class="keywordflow">if</span> (printDiffs) {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  printf(<span class="stringliteral">"differences:\n"</span>);</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  printf(<span class="stringliteral">"==================\n"</span>);</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> query = 0; query < dim1; ++query) {</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> result = 0; result < dim2; ++result) {</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">long</span> refI = lookup(refInd, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">long</span> testI = lookup(testInd, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (refI != testI) {</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">float</span> refD = lookup(refDist, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">float</span> testD = lookup(testDist, query, result, dim1, dim2);</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordtype">float</span> maxDist = std::max(refD, testD);</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">float</span> delta = std::abs(refD - testD);</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">float</span> relErr = delta / maxDist;</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">if</span> (refD == testD) {</div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  printf(<span class="stringliteral">"(%d, %d [%d]) (ref %ld tst %ld dist ==)\n"</span>,</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  query, result,</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  indexDiffs[query][result],</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  refI, testI);</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  printf(<span class="stringliteral">"(%d, %d [%d]) (ref %ld tst %ld abs %.8f "</span></div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="stringliteral">"rel %.8f ref %a tst %a)\n"</span>,</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  query, result,</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  indexDiffs[query][result],</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  refI, testI, delta, relErr, refD, testD);</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  }</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> } }</div>
|
|
<div class="ttc" id="structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4"><div class="ttname"><a href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a></div><div class="ttdeci">long idx_t</div><div class="ttdoc">all indices are this type </div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00062">Index.h:62</a></div></div>
|
|
<div class="ttc" id="structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7"><div class="ttname"><a href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index::search</a></div><div class="ttdeci">virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0</div></div>
|
|
<div class="ttc" id="structfaiss_1_1Index_html"><div class="ttname"><a href="structfaiss_1_1Index.html">faiss::Index</a></div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00060">Index.h:60</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.5
|
|
</small></address>
|
|
</body>
|
|
</html>
|