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
387 lines
48 KiB
HTML
387 lines
48 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/impl/FlatIndex.cu 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_49d1182a3b8dfb62757c53ae905481ad.html">impl</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">FlatIndex.cu</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 "FlatIndex.cuh"</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "Distance.cuh"</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "L2Norm.cuh"</span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "../utils/CopyUtils.cuh"</span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "../utils/DeviceUtils.h"</span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "../utils/Transpose.cuh"</span></div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>faiss { <span class="keyword">namespace </span>gpu {</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> FlatIndex::FlatIndex(GpuResources* res,</div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keywordtype">int</span> dim,</div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordtype">bool</span> l2Distance,</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordtype">bool</span> useFloat16,</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordtype">bool</span> useFloat16Accumulator,</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">bool</span> storeTransposed,</div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  MemorySpace space) :</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  resources_(res),</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  dim_(dim),</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  useFloat16_(useFloat16),</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  useFloat16Accumulator_(useFloat16Accumulator),</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  storeTransposed_(storeTransposed),</div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  l2Distance_(l2Distance),</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  space_(space),</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  num_(0),</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  rawData_(space) {</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#ifndef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span> FAISS_ASSERT(!useFloat16_);</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span>}</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">bool</span></div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> FlatIndex::getUseFloat16()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> useFloat16_;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/// Returns the number of vectors we contain</span></div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#a6988df17792dae30f24cc859728777e6"> 47</a></span> <span class="comment"></span><span class="keywordtype">int</span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#a6988df17792dae30f24cc859728777e6">FlatIndex::getSize</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> vectorsHalf_.getSize(0);</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> vectors_.<a class="code" href="classfaiss_1_1gpu_1_1Tensor.html#a6699c311648457f257afa340c61f417c">getSize</a>(0);</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keywordtype">int</span> FlatIndex::getDim()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> vectorsHalf_.getSize(1);</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> vectors_.<a class="code" href="classfaiss_1_1gpu_1_1Tensor.html#a6699c311648457f257afa340c61f417c">getSize</a>(1);</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></div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#a7a06b678b97e3732939f6a4fb5106ef6"> 68</a></span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#a7a06b678b97e3732939f6a4fb5106ef6">FlatIndex::reserve</a>(<span class="keywordtype">size_t</span> numVecs, cudaStream_t stream) {</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"></span> rawData_.reserve(numVecs * dim_ * <span class="keyword">sizeof</span>(half), stream);</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  rawData_.reserve(numVecs * dim_ * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>), stream);</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <a class="code" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor<float, 2, true></a>&</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#a12058744ffb3fbcbb047872449269c06"> 79</a></span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#a12058744ffb3fbcbb047872449269c06">FlatIndex::getVectorsFloat32Ref</a>() {</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> vectors_;</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"></span><a class="code" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor<half, 2, true></a>&</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> FlatIndex::getVectorsFloat16Ref() {</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> vectorsHalf_;</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> DeviceTensor<float, 2, true></div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad"> 91</a></span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad">FlatIndex::getVectorsFloat32Copy</a>(cudaStream_t stream) {</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad">getVectorsFloat32Copy</a>(0, num_, stream);</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</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> <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 2, true></a></div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#a6057667e09193d786c25d90355d28838"> 96</a></span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad">FlatIndex::getVectorsFloat32Copy</a>(<span class="keywordtype">int</span> from, <span class="keywordtype">int</span> num, cudaStream_t stream) {</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 2, true></a> vecFloat32({num, dim_}, space_);</div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"></span> runConvertToFloat32(vecFloat32.data(),</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  vectorsHalf_[from].data(),</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  num * dim_, stream);</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  vectors_.<a class="code" href="classfaiss_1_1gpu_1_1Tensor.html#a6cc21376070a03d77661d6e333972c6a">copyTo</a>(vecFloat32, stream);</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> vecFloat32;</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> FlatIndex::query(<a class="code" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor<float, 2, true></a>& input,</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> k,</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor<float, 2, true></a>& outDistances,</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor<int, 2, true></a>& outIndices,</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">bool</span> exactDistance) {</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">auto</span> stream = resources_-><a class="code" href="classfaiss_1_1gpu_1_1GpuResources.html#aa0354aa570c24e17a9f8a6a45b153ed2">getDefaultStreamCurrentDevice</a>();</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">auto</span>& mem = resources_-><a class="code" href="classfaiss_1_1gpu_1_1GpuResources.html#a1dda2dc3db1bd62cde6657c5cdbfb6e1">getMemoryManagerCurrentDevice</a>();</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// We need to convert to float16</span></div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"></span> <span class="keyword">auto</span> inputHalf = toHalf<2>(resources_, stream, input);</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<half, 2, true></a> outDistancesHalf(</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  mem, {outDistances.<a class="code" href="classfaiss_1_1gpu_1_1Tensor.html#a6699c311648457f257afa340c61f417c">getSize</a>(0), outDistances.<a class="code" href="classfaiss_1_1gpu_1_1Tensor.html#a6699c311648457f257afa340c61f417c">getSize</a>(1)}, stream);</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  query(inputHalf, k, outDistancesHalf, outIndices, exactDistance);</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="keywordflow">if</span> (exactDistance) {</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// Convert outDistances back</span></div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  fromHalf<2>(stream, outDistancesHalf, outDistances);</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="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (l2Distance_) {</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  runL2Distance(resources_,</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  vectors_,</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  storeTransposed_ ? &vectorsTransposed_ : <span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  &norms_,</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  input,</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  k,</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  outDistances,</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  outIndices,</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// FIXME</span></div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  !exactDistance);</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  runIPDistance(resources_,</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  vectors_,</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  storeTransposed_ ? &vectorsTransposed_ : <span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  input,</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  k,</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  outDistances,</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  outIndices);</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</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> </div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"></span><span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> FlatIndex::query(Tensor<half, 2, true>& input,</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">int</span> k,</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  Tensor<half, 2, true>& outDistances,</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  Tensor<int, 2, true>& outIndices,</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordtype">bool</span> exactDistance) {</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  FAISS_ASSERT(useFloat16_);</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">if</span> (l2Distance_) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  runL2Distance(resources_,</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  vectorsHalf_,</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  storeTransposed_ ? &vectorsHalfTransposed_ : <span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  &normsHalf_,</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  input,</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  k,</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  outDistances,</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  outIndices,</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  useFloat16Accumulator_,</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// FIXME</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  !exactDistance);</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  runIPDistance(resources_,</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  vectorsHalf_,</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  storeTransposed_ ? &vectorsHalfTransposed_ : <span class="keyword">nullptr</span>,</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  input,</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  k,</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  outDistances,</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  outIndices,</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  useFloat16Accumulator_);</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor"></span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#ab91c9ddf7dd258620f424619cb029e22"> 195</a></span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#ab91c9ddf7dd258620f424619cb029e22">FlatIndex::add</a>(<span class="keyword">const</span> <span class="keywordtype">float</span>* data, <span class="keywordtype">int</span> numVecs, cudaStream_t stream) {</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">if</span> (numVecs == 0) {</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="preprocessor"></span> <span class="comment">// Make sure that `data` is on our device; we'll run the</span></div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// conversion on our device</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">auto</span> devData = toDevice<float, 2>(resources_,</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  getCurrentDevice(),</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  (<span class="keywordtype">float</span>*) data,</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  stream,</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  {numVecs, dim_});</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">auto</span> devDataHalf = toHalf<2>(resources_, stream, devData);</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  rawData_.append((<span class="keywordtype">char</span>*) devDataHalf.data(),</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  devDataHalf.getSizeInBytes(),</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  stream,</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">true</span> <span class="comment">/* reserve exactly */</span>);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  rawData_.append((<span class="keywordtype">char</span>*) data,</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  (<span class="keywordtype">size_t</span>) dim_ * numVecs * <span class="keyword">sizeof</span>(<span class="keywordtype">float</span>),</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  stream,</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">true</span> <span class="comment">/* reserve exactly */</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> </div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  num_ += numVecs;</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> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor"></span> <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<half, 2, true></a> vectorsHalf(</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  (half*) rawData_.data(), {(int) num_, dim_}, space_);</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  vectorsHalf_ = std::move(vectorsHalf);</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 2, true></a> vectors(</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  (<span class="keywordtype">float</span>*) rawData_.data(), {(int) num_, dim_}, space_);</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  vectors_ = std::move(vectors);</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> </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (storeTransposed_) {</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor"></span> vectorsHalfTransposed_ =</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  std::move(<a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<half, 2, true></a>({dim_, (int) num_}, space_));</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  runTransposeAny(vectorsHalf_, 0, 1, vectorsHalfTransposed_, stream);</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  vectorsTransposed_ =</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  std::move(<a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 2, true></a>({dim_, (int) num_}, space_));</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  runTransposeAny(vectors_, 0, 1, vectorsTransposed_, stream);</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (l2Distance_) {</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// Precompute L2 norms of our database</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (useFloat16_) {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#ifdef FAISS_USE_FLOAT16</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"></span> <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<half, 1, true></a> normsHalf({(int) num_}, space_);</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  runL2Norm(vectorsHalf_, normsHalf, <span class="keyword">true</span>, stream);</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  normsHalf_ = std::move(normsHalf);</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"></span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 1, true></a> norms({(int) num_}, space_);</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  runL2Norm(vectors_, norms, <span class="keyword">true</span>, stream);</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  norms_ = std::move(norms);</div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> }</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="classfaiss_1_1gpu_1_1FlatIndex.html#ae06cb2ffd46659b6639b97297546096e"> 269</a></span> <a class="code" href="classfaiss_1_1gpu_1_1FlatIndex.html#ae06cb2ffd46659b6639b97297546096e">FlatIndex::reset</a>() {</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  rawData_.clear();</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  vectors_ = std::move(<a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 2, true></a>());</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  norms_ = std::move(<a class="code" href="classfaiss_1_1gpu_1_1DeviceTensor.html">DeviceTensor<float, 1, true></a>());</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  num_ = 0;</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> } }</div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html_a258b0dd61a9c352ec7d68fa8bac0d7ad"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad">faiss::gpu::FlatIndex::getVectorsFloat32Copy</a></div><div class="ttdeci">DeviceTensor< float, 2, true > getVectorsFloat32Copy(cudaStream_t stream)</div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cu_source.html#l00091">FlatIndex.cu:91</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuResources_html_aa0354aa570c24e17a9f8a6a45b153ed2"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuResources.html#aa0354aa570c24e17a9f8a6a45b153ed2">faiss::gpu::GpuResources::getDefaultStreamCurrentDevice</a></div><div class="ttdeci">cudaStream_t getDefaultStreamCurrentDevice()</div><div class="ttdoc">Calls getDefaultStream with the current device. </div><div class="ttdef"><b>Definition:</b> <a href="GpuResources_8cpp_source.html#l00025">GpuResources.cpp:25</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html_a6988df17792dae30f24cc859728777e6"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html#a6988df17792dae30f24cc859728777e6">faiss::gpu::FlatIndex::getSize</a></div><div class="ttdeci">int getSize() const </div><div class="ttdoc">Returns the number of vectors we contain. </div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cu_source.html#l00047">FlatIndex.cu:47</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1GpuResources_html_a1dda2dc3db1bd62cde6657c5cdbfb6e1"><div class="ttname"><a href="classfaiss_1_1gpu_1_1GpuResources.html#a1dda2dc3db1bd62cde6657c5cdbfb6e1">faiss::gpu::GpuResources::getMemoryManagerCurrentDevice</a></div><div class="ttdeci">DeviceMemory & getMemoryManagerCurrentDevice()</div><div class="ttdoc">Calls getMemoryManager for the current device. </div><div class="ttdef"><b>Definition:</b> <a href="GpuResources_8cpp_source.html#l00035">GpuResources.cpp:35</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html_a7a06b678b97e3732939f6a4fb5106ef6"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html#a7a06b678b97e3732939f6a4fb5106ef6">faiss::gpu::FlatIndex::reserve</a></div><div class="ttdeci">void reserve(size_t numVecs, cudaStream_t stream)</div><div class="ttdoc">Reserve storage that can contain at least this many vectors. </div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cu_source.html#l00068">FlatIndex.cu:68</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html_ab91c9ddf7dd258620f424619cb029e22"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html#ab91c9ddf7dd258620f424619cb029e22">faiss::gpu::FlatIndex::add</a></div><div class="ttdeci">void add(const float *data, int numVecs, cudaStream_t stream)</div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cu_source.html#l00195">FlatIndex.cu:195</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1Tensor_html_a6699c311648457f257afa340c61f417c"><div class="ttname"><a href="classfaiss_1_1gpu_1_1Tensor.html#a6699c311648457f257afa340c61f417c">faiss::gpu::Tensor::getSize</a></div><div class="ttdeci">__host__ __device__ IndexT getSize(int i) const </div><div class="ttdef"><b>Definition:</b> <a href="Tensor_8cuh_source.html#l00226">Tensor.cuh:226</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1Tensor_html_a6cc21376070a03d77661d6e333972c6a"><div class="ttname"><a href="classfaiss_1_1gpu_1_1Tensor.html#a6cc21376070a03d77661d6e333972c6a">faiss::gpu::Tensor::copyTo</a></div><div class="ttdeci">__host__ void copyTo(Tensor< T, Dim, InnerContig, IndexT, PtrTraits > &t, cudaStream_t stream)</div><div class="ttdoc">Copies ourselves into a tensor; sizes must match. </div><div class="ttdef"><b>Definition:</b> <a href="Tensor-inl_8cuh_source.html#l00140">Tensor-inl.cuh:140</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1Tensor_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1Tensor.html">faiss::gpu::Tensor</a></div><div class="ttdoc">Our tensor type. </div><div class="ttdef"><b>Definition:</b> <a href="Tensor_8cuh_source.html#l00030">Tensor.cuh:30</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html_a12058744ffb3fbcbb047872449269c06"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html#a12058744ffb3fbcbb047872449269c06">faiss::gpu::FlatIndex::getVectorsFloat32Ref</a></div><div class="ttdeci">Tensor< float, 2, true > & getVectorsFloat32Ref()</div><div class="ttdoc">Returns a reference to our vectors currently in use. </div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cu_source.html#l00079">FlatIndex.cu:79</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1FlatIndex_html_ae06cb2ffd46659b6639b97297546096e"><div class="ttname"><a href="classfaiss_1_1gpu_1_1FlatIndex.html#ae06cb2ffd46659b6639b97297546096e">faiss::gpu::FlatIndex::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Free all storage. </div><div class="ttdef"><b>Definition:</b> <a href="FlatIndex_8cu_source.html#l00269">FlatIndex.cu:269</a></div></div>
|
|
<div class="ttc" id="classfaiss_1_1gpu_1_1DeviceTensor_html"><div class="ttname"><a href="classfaiss_1_1gpu_1_1DeviceTensor.html">faiss::gpu::DeviceTensor< float, 2, true ></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>
|