2018-12-20 00:48:35 +08:00
<!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" / >
2019-05-28 22:17:22 +08:00
< title > Faiss: /data/users/hoss/faiss/gpu/GpuIndexBinaryFlat.cu Source File< / title >
2018-12-20 00:48:35 +08:00
< 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 >
2019-05-28 22:17:22 +08:00
< li class = "navelem" > < a class = "el" href = "dir_5956a3e80a20e8e03eb577bedb92689f.html" > gpu< / a > < / li > < / ul >
2018-12-20 00:48:35 +08:00
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > GpuIndexBinaryFlat.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 >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) Facebook, Inc. and its affiliates.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > * This source code is licensed under the MIT license found in the< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "preprocessor" > #include " GpuIndexBinaryFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " GpuResources.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " impl/BinaryFlatIndex.cuh" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " utils/ConversionOperators.cuh" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " utils/CopyUtils.cuh" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " utils/DeviceUtils.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include < thrust/execution_policy.h> < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include < thrust/transform.h> < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > gpu {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > /// Default CPU search size for which we use paged copies< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > < / span > constexpr < span class = "keywordtype" > size_t< / span > kMinPageSize = (size_t) 256 * 1024 * 1024;< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec" > 24< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec" > GpuIndexBinaryFlat::GpuIndexBinaryFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryFlat.html" > faiss::IndexBinaryFlat< / a > * index,< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html" > GpuIndexBinaryFlatConfig< / a > config)< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   : < a class = "code" href = "structfaiss_1_1IndexBinary.html" > IndexBinary< / a > (index-> d),< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   resources_(resources),< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   config_(std::move(config)),< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   data_(nullptr) {< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   FAISS_THROW_IF_NOT_FMT(this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > % 8 == 0,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "stringliteral" > " vector dimension (number of bits) " < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "stringliteral" > " must be divisible by 8 (passed %d)" < / span > ,< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > );< / 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 >   < span class = "comment" > // Flat index doesn' t need training< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1acf93b118b4136857b5dd9ab614e901" > copyFrom< / a > (index);< / 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 >   < / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ab7e2236d6af052f8df8e920c77e74050" > 43< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec" > GpuIndexBinaryFlat::GpuIndexBinaryFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html" > GpuIndexBinaryFlatConfig< / a > config)< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   : < a class = "code" href = "structfaiss_1_1IndexBinary.html" > IndexBinary< / a > (dims),< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   resources_(resources),< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   config_(std::move(config)),< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   data_(nullptr) {< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   FAISS_THROW_IF_NOT_FMT(this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > % 8 == 0,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "stringliteral" > " vector dimension (number of bits) " < / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "stringliteral" > " must be divisible by 8 (passed %d)" < / span > ,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > );< / 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 >   < span class = "comment" > // Flat index doesn' t need training< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > // Construct index< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html" > BinaryFlatIndex< / a > (resources,< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ,< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#adf7c9461009108a9a433a077ab322d2e" > memorySpace< / a > );< / 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 >   < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   GpuIndexBinaryFlat::~GpuIndexBinaryFlat() {< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > ;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1acf93b118b4136857b5dd9ab614e901" > 70< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1acf93b118b4136857b5dd9ab614e901" > GpuIndexBinaryFlat::copyFrom< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryFlat.html" > faiss::IndexBinaryFlat< / a > * index) {< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > = index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ;< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > // GPU code has 32 bit indices< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   FAISS_THROW_IF_NOT_FMT(index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > < =< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > ) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "stringliteral" > " GPU index only supports up to %zu indices; " < / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "stringliteral" > " attempting to copy CPU index with %zu parameters" < / span > ,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   (< span class = "keywordtype" > size_t< / span > ) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   (< span class = "keywordtype" > size_t< / span > ) index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > );< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > ;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html" > BinaryFlatIndex< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ,< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#adf7c9461009108a9a433a077ab322d2e" > memorySpace< / a > );< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > // The index could be empty< / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > > 0) {< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa633251a14afbbf6a6652ae193b68790" > add< / a > (index-> < a class = "code" href = "structfaiss_1_1IndexBinaryFlat.html#afc0b5b076b35a1a1889b0012848c795c" > xb< / a > .data(),< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ));< / 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 >   < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1e4c6f64fa04d9e2b035c1e390ca91f3" > 98< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1e4c6f64fa04d9e2b035c1e390ca91f3" > GpuIndexBinaryFlat::copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexBinaryFlat.html" > faiss::IndexBinaryFlat< / a > * index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > = this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > );< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa3440ccb9bc693cbc89386b8cc981565" > getSize< / a > () == this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > );< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexBinaryFlat.html#afc0b5b076b35a1a1889b0012848c795c" > xb< / a > .resize(this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > * (this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > / 8));< / 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 >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > > 0) {< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   fromDevice(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a0cc143e913b7a06e3ed31e5a6b546a6b" > getVectorsRef< / a > (),< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexBinaryFlat.html#afc0b5b076b35a1a1889b0012848c795c" > xb< / a > .data(),< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ));< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   }< / 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 = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a84b9c07089abd5c0fa8f07a7a22de047" > 116< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a84b9c07089abd5c0fa8f07a7a22de047" > GpuIndexBinaryFlat::add< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keyword" > const< / span > uint8_t* x) {< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / 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 = "comment" > // To avoid multiple re-allocations, ensure we have enough storage< / span > < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "comment" > // available< / span > < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a897e1b584bda7a949e5e8644d0bc972b" > reserve< / a > (n, < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ));< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // Due to GPU indexing in int32, we can' t store more than this< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // number of vectors on a GPU< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   FAISS_THROW_IF_NOT_FMT(this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > + n < =< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > ) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "stringliteral" > " GPU index only supports up to %zu indices" < / span > ,< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   (< span class = "keywordtype" > size_t< / span > ) std::numeric_limits< int> ::max());< / 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 >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa633251a14afbbf6a6652ae193b68790" > add< / a > ((< span class = "keyword" > const< / span > < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > char< / span > *) x,< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   n,< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ));< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > += n;< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   }< / 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 = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac8f14dd3257963082fa638d24df244d6" > 138< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac8f14dd3257963082fa638d24df244d6" > GpuIndexBinaryFlat::reset< / a > () {< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > // Free the underlying memory< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a6b31cef9564d47f0d188ae34c4b5eacc" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   }< / 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 >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#aa4d81e853f4194a8b865fcfe7dddd050" > 147< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#aa4d81e853f4194a8b865fcfe7dddd050" > GpuIndexBinaryFlat::search< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keyword" > const< / span > uint8_t* x,< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   int32_t* distances,< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > * labels)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordflow" > if< / span > (n == 0) {< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   }< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "comment" > // For now, only support < = max int results< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   FAISS_THROW_IF_NOT_FMT(n < = (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > ) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "stringliteral" > " GPU index only supports up to %zu indices" < / span > ,< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   (< span class = "keywordtype" > size_t< / span > ) std::numeric_limits< int> ::max());< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   FAISS_THROW_IF_NOT_FMT(k < = (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > ) getMaxKSelection(),< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "stringliteral" > " GPU only supports k < = %d (requested %d)" < / span > ,< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   getMaxKSelection(),< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   (< span class = "keywordtype" > int< / span > ) k); < span class = "comment" > // select limitation< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "comment" > // The input vectors may be too large for the GPU, but we still< / span > < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "comment" > // assume that the output distances and labels are not.< / span > < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "comment" > // Go ahead and make space for output distances and labels on the< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "comment" > // GPU.< / span > < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "comment" > // If we reach a point where all inputs are too big, we can add< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > // another level of tiling.< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keyword" > auto< / span > outDistances = toDevice< int32_t, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ,< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   distances,< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   stream,< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   {(int) n, (< span class = "keywordtype" > int< / span > ) k});< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // FlatIndex only supports an interface returning int indices< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceTensor.html" > DeviceTensor< int, 2, true> < / a > outIntIndices(< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   resources_-> getMemoryManagerCurrentDevice(),< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   {(int) n, (< span class = "keywordtype" > int< / span > ) k}, stream);< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordtype" > bool< / span > usePaged = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordflow" > if< / span > (getDeviceForAddress(x) == -1) {< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "comment" > // It is possible that the user is querying for a vector set size< / span > < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "comment" > // `x` that won' t fit on the GPU.< / span > < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "comment" > // In this case, we will have to handle paging of the data from CPU< / span > < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "comment" > // -> GPU.< / span > < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "comment" > // Currently, we don' t handle the case where the output data won' t< / span > < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "comment" > // fit on the GPU (e.g., n * k is too large for the GPU memory).< / span > < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordtype" > size_t< / span > dataSize = (size_t) n * (this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > / 8) * < span class = "keyword" > sizeof< / span > (uint8_t);< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > if< / span > (dataSize > = kMinPageSize) {< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a126b2d8af97627f062deaf955164bb41" > searchFromCpuPaged_< / a > (n, x, k,< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   outDistances.data(),< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   outIntIndices.data());< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   usePaged = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   }< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   }< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > if< / span > (!usePaged) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   searchNonPaged_(n, x, k,< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   outDistances.data(),< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   outIntIndices.data());< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   }< / 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 = "comment" > // Convert and copy int indices out< / span > < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keyword" > auto< / span > outIndices = toDevice< faiss::Index::idx_t, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ,< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   labels,< / 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 >   {(int) n, (< span class = "keywordtype" > int< / span > ) k});< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "comment" > // Convert int to long< / span > < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   thrust::transform(thrust::cuda::par.on(stream),< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   outIntIndices.data(),< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   outIntIndices.end(),< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   outIndices.data(),< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1IntToIdxType.html" > IntToIdxType< / a > ());< / 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 >   < span class = "comment" > // Copy back if necessary< / span > < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   fromDevice< int32_t, 2> (outDistances, distances, stream);< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   fromDevice< faiss::Index::idx_t, 2> (outIndices, labels, stream);< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   }< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   GpuIndexBinaryFlat::searchNonPaged_(< span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keyword" > const< / span > uint8_t* x,< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   int32_t* outDistancesData,< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordtype" > int< / span > * outIndicesData)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1Tensor.html" > Tensor< int32_t, 2, true> < / a > outDistances(outDistancesData, {n, k});< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   Tensor< int, 2, true> outIndices(outIndicesData, {n, k});< / 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 = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "comment" > // Make sure arguments are on the device we desire; use temporary< / span > < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "comment" > // memory allocations to move it if necessary< / span > < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keyword" > auto< / span > vecs = toDevice< uint8_t, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ,< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keyword" > const_cast< < / span > uint8_t*< span class = "keyword" > > < / span > (x),< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   stream,< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   {n, (int) (this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > / 8)});< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> query(vecs, k, outDistances, outIndices);< / 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 >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a126b2d8af97627f062deaf955164bb41" > 252< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a126b2d8af97627f062deaf955164bb41" > GpuIndexBinaryFlat::searchFromCpuPaged_< / a > (< span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keyword" > const< / span > uint8_t* x,< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   int32_t* outDistancesData,< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordtype" > int< / span > * outIndicesData)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1Tensor.html" > Tensor< int32_t, 2, true> < / a > outDistances(outDistancesData, {n, k});< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1Tensor.html" > Tensor< int, 2, true> < / a > outIndices(outIndicesData, {n, k});< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keyword" > auto< / span > vectorSize = < span class = "keyword" > sizeof< / span > (uint8_t) * (this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > / 8);< / 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 = "comment" > // Just page without overlapping copy with compute (as GpuIndexFlat does)< / span > < / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keywordtype" > int< / span > batchSize = utils::nextHighestPowerOf2(< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   (< span class = "keywordtype" > int< / span > ) ((< span class = "keywordtype" > size_t< / span > ) kMinPageSize / vectorSize));< / 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 >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > cur = 0; cur < n; cur += batchSize) {< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "keywordtype" > int< / span > num = std::min(batchSize, n - cur);< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keyword" > auto< / span > outDistancesSlice = outDistances.narrowOutermost(cur, num);< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "keyword" > auto< / span > outIndicesSlice = outIndices.narrowOutermost(cur, num);< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   searchNonPaged_(num,< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   x + (< span class = "keywordtype" > size_t< / span > ) cur * (this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > / 8),< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   k,< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   outDistancesSlice.data(),< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   outIndicesSlice.data());< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   }< / 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 >   < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a9b16b11b5fcc5cc97359e684f5e4a338" > 281< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a9b16b11b5fcc5cc97359e684f5e4a338" > GpuIndexBinaryFlat::reconstruct< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > key,< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   uint8_t* out)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   FAISS_THROW_IF_NOT_MSG(key < this-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > , < span class = "stringliteral" > " index out of bounds" < / span > );< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < span class = "keyword" > auto< / span > stream = resources_-> getDefaultStream(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keyword" > auto< / span > & vecs = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a0cc143e913b7a06e3ed31e5a6b546a6b" > getVectorsRef< / a > ();< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keyword" > auto< / span > vec = vecs[key];< / 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 >   fromDevice(vec.data(), out, vecs.getSize(1), stream);< / 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 >   } } < span class = "comment" > // namespace gpu< / span > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1BinaryFlatIndex_html_a6b31cef9564d47f0d188ae34c4b5eacc" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a6b31cef9564d47f0d188ae34c4b5eacc" > faiss::gpu::BinaryFlatIndex::reset< / a > < / div > < div class = "ttdeci" > void reset()< / div > < div class = "ttdoc" > Free all storage. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "BinaryFlatIndex_8cu_source.html#l00082" > BinaryFlatIndex.cu:82< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryFlat.html" > faiss::IndexBinaryFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryFlat_8h_source.html#l00021" > IndexBinaryFlat.h:21< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_ac8f14dd3257963082fa638d24df244d6" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac8f14dd3257963082fa638d24df244d6" > faiss::gpu::GpuIndexBinaryFlat::reset< / a > < / div > < div class = "ttdeci" > void reset() override< / div > < div class = "ttdoc" > Removes all elements from the database. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00138" > GpuIndexBinaryFlat.cu:138< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1BinaryFlatIndex_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html" > faiss::gpu::BinaryFlatIndex< / a > < / div > < div class = "ttdoc" > Holder of GPU resources for a particular flat index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "BinaryFlatIndex_8cuh_source.html#l00020" > BinaryFlatIndex.cuh:20< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexBinaryFlatConfig.html" > faiss::gpu::GpuIndexBinaryFlatConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8h_source.html#l00018" > GpuIndexBinaryFlat.h:18< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1IntToIdxType_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1IntToIdxType.html" > faiss::gpu::IntToIdxType< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ConversionOperators_8cuh_source.html#l00021" > ConversionOperators.cuh:21< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a1e4c6f64fa04d9e2b035c1e390ca91f3" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1e4c6f64fa04d9e2b035c1e390ca91f3" > faiss::gpu::GpuIndexBinaryFlat::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexBinaryFlat *index) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00098" > GpuIndexBinaryFlat.cu:98< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuResources_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuResources.html" > faiss::gpu::GpuResources< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuResources_8h_source.html#l00021" > GpuResources.h:21< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a132119ae93e240b54621c5c669853c7f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > faiss::IndexBinary::is_trained< / a > < / div > < div class = "ttdeci" > bool is_trained< / div > < div class = "ttdoc" > set if the Index does not require training, or if training is done already < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00047" > IndexBinary.h:47< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexConfig_html_aab05a0aa7b42feae7df4e556a52ead57" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > faiss::gpu::GpuIndexConfig::device< / a > < / div > < div class = "ttdeci" > int device< / div > < div class = "ttdoc" > GPU device on which the index is resident. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00025" > GpuIndex.h:25< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuResources_html_a6c564198df6ba675920c993e2af34b8c" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > faiss::gpu::GpuResources::getDefaultStream< / a > < / div > < div class = "ttdeci" > virtual cudaStream_t getDefaultStream(int device)=0< / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a01749bbdbd3b7ec6bb9390257ab16c5c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > < / div > < div class = "ttdeci" > Index::idx_t idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00037" > IndexBinary.h:37< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a0e485a7189eec2675032486d3b12cf88" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > faiss::IndexBinary::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00041" > IndexBinary.h:41< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_ad3f0d3071f987baabbdd3da4500c87ea" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > 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 = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a84b9c07089abd5c0fa8f07a7a22de047" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a84b9c07089abd5c0fa8f07a7a22de047" > faiss::gpu::GpuIndexBinaryFlat::add< / a > < / div > < div class = "ttdeci" > void add(faiss::IndexBinary::idx_t n, const uint8_t *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00116" > GpuIndexBinaryFlat.cu:116< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a11662bc71807172633411268d623f9a5" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a11662bc71807172633411268d623f9a5" > faiss::gpu::GpuIndexBinaryFlat::config_< / a > < / div > < div class = "ttdeci" > GpuIndexBinaryFlatConfig config_< / div > < div class = "ttdoc" > Configuration options. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8h_source.html#l00082" > GpuIndexBinaryFlat.h:82< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_aa4d81e853f4194a8b865fcfe7dddd050" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#aa4d81e853f4194a8b865fcfe7dddd050" > faiss::gpu::GpuIndexBinaryFlat::search< / a > < / div > < div class = "ttdeci" > void search(faiss::IndexBinary::idx_t n, const uint8_t *x, faiss::IndexBinary::idx_t k, int32_t *distances, faiss::IndexBinary::idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00147" > GpuIndexBinaryFlat.cu:147< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_ac3cead0aa496ebe1a46f26a58e566f48" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#ac3cead0aa496ebe1a46f26a58e566f48" > faiss::gpu::GpuIndexBinaryFlat::resources_< / a > < / div > < div class = "ttdeci" > GpuResources * resources_< / div > < div class = "ttdoc" > Manages streans, cuBLAS handles and scratch memory for devices. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8h_source.html#l00079" > GpuIndexBinaryFlat.h:79< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexConfig_html_adf7c9461009108a9a433a077ab322d2e" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#adf7c9461009108a9a433a077ab322d2e" > faiss::gpu::GpuIndexConfig::memorySpace< / a > < / div > < div class = "ttdeci" > MemorySpace memorySpace< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00030" > GpuIndex.h:30< / 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#l00028" > Tensor.cuh:28< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a126b2d8af97627f062deaf955164bb41" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a126b2d8af97627f062deaf955164bb41" > faiss::gpu::GpuIndexBinaryFlat::searchFromCpuPaged_< / a > < / div > < div class = "ttdeci" > void searchFromCpuPaged_(int n, const uint8_t *x, int k, int32_t *outDistancesData, int *outIndicesData) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00252" > GpuIndexBinaryFlat.cu:252< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1DeviceScope_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1DeviceScope.html" > faiss::gpu::DeviceScope< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "DeviceUtils_8h_source.html#l00068" > DeviceUtils.h:68< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a41b6759d127475d5fcd2b3982a8f355e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > faiss::IndexBinary::ntotal< / a > < / div > < div class = "ttdeci" > idx_t ntotal< / div > < div class = "ttdoc" > total nb of indexed vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00043" > IndexBinary.h:43< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryFlat_html_afc0b5b076b35a1a1889b0012848c795c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryFlat.html#afc0b5b076b35a1a1889b0012848c795c" > faiss::IndexBinaryFlat::xb< / a > < / div > < div class = "ttdeci" > std::vector< uint8_t > xb< / div > < div class = "ttdoc" > database vectors, size ntotal * d / 8 < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryFlat_8h_source.html#l00023" > IndexBinaryFlat.h:23< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a9b16b11b5fcc5cc97359e684f5e4a338" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a9b16b11b5fcc5cc97359e684f5e4a338" > faiss::gpu::GpuIndexBinaryFlat::reconstruct< / a > < / div > < div class = "ttdeci" > void reconstruct(faiss::IndexBinary::idx_t key, uint8_t *recons) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00281" > GpuIndexBinaryFlat.cu:281< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html" > faiss::IndexBinary< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00036" > IndexBinary.h:36< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a1acf93b118b4136857b5dd9ab614e901" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a1acf93b118b4136857b5dd9ab614e901" > faiss::gpu::GpuIndexBinaryFlat::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(const faiss::IndexBinaryFlat *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00070" > GpuIndexBinaryFlat.cu:70< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_afb7ce7aeea2824e99144c6c145dd1aec" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#afb7ce7aeea2824e99144c6c145dd1aec" > faiss::gpu::GpuIndexBinaryFlat::GpuIndexBinaryFlat< / a > < / div > < div class = "ttdeci" > GpuIndexBinaryFlat(GpuResources *resources, const faiss::IndexBinaryFlat *index, GpuIndexBinaryFlatConfig config=GpuIndexBinaryFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8cu_source.html#l00024" > GpuIndexBinaryFlat.cu:24< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1BinaryFlatIndex_html_aa3440ccb9bc693cbc89386b8cc981565" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa3440ccb9bc693cbc89386b8cc981565" > faiss::gpu::BinaryFlatIndex::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 = "BinaryFlatIndex_8cu_source.html#l00028" > BinaryFlatIndex.cu:28< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1BinaryFlatIndex_html_a897e1b584bda7a949e5e8644d0bc972b" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a897e1b584bda7a949e5e8644d0bc972b" > faiss::gpu::BinaryFlatIndex::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 = "BinaryFlatIndex_8cu_source.html#l00037" > BinaryFlatIndex.cu:37< / 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< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "DeviceTensor_8cuh_source.html#l00022" > DeviceTensor.cuh:22< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1BinaryFlatIndex_html_a0cc143e913b7a06e3ed31e5a6b546a6b" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a0cc143e913b7a06e3ed31e5a6b546a6b" > faiss::gpu::BinaryFlatIndex::getVectorsRef< / a > < / div > < div class = "ttdeci" > Tensor< unsigned char, 2, true > & getVectorsRef()< / div > < div class = "ttdoc" > Returns a reference to our vectors currently in use. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "BinaryFlatIndex_8cu_source.html#l00042" > BinaryFlatIndex.cu:42< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1BinaryFlatIndex_html_aa633251a14afbbf6a6652ae193b68790" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa633251a14afbbf6a6652ae193b68790" > faiss::gpu::BinaryFlatIndex::add< / a > < / div > < div class = "ttdeci" > void add(const unsigned char *data, int numVecs, cudaStream_t stream)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "BinaryFlatIndex_8cu_source.html#l00062" > BinaryFlatIndex.cu:62< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat_html_a6db31064a68a6f34b54a837dee4bf671" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexBinaryFlat.html#a6db31064a68a6f34b54a837dee4bf671" > faiss::gpu::GpuIndexBinaryFlat::data_< / a > < / div > < div class = "ttdeci" > BinaryFlatIndex * data_< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexBinaryFlat_8h_source.html#l00086" > GpuIndexBinaryFlat.h:86< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< / 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 >
