2017-02-23 06:26:44 +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/GpuIndexFlat.cu Source File< / title >
2017-02-23 06:26:44 +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 >
2017-02-23 06:26:44 +08:00
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > GpuIndexFlat.cu< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
2017-06-21 21:54:28 +08:00
< 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 >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " GpuIndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " ../IndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " GpuResources.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " impl/FlatIndex.cuh" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " utils/ConversionOperators.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/Float16.cuh" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " utils/StaticUtils.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 = "preprocessor" > #include < thrust/execution_policy.h> < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include < thrust/transform.h> < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include < limits> < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > gpu {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > 25< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > GpuIndexFlat::GpuIndexFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * index,< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html" > GpuIndex< / a > (resources, index-> d, index-> metric_type, config),< / 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 >   verifySettings_();< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "comment" > // Flat index doesn' t need training< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / 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 >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / 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" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#aff5330eb125352cc599224584bd5d6bb" > 39< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > GpuIndexFlat::GpuIndexFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > metric,< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html" > GpuIndex< / a > (resources, dims, metric, config),< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   config_(std::move(config)),< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   data_(nullptr) {< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   verifySettings_();< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // Flat index doesn' t need training< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // Construct index< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html" > FlatIndex< / a > (resources,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   dims,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   metric == faiss::METRIC_L2,< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ,< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a5a2d8737f4277e55fc1a99ef4fc4c630" > useFloat16Accumulator< / a > ,< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0" > storeTransposed< / a > ,< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > memorySpace_< / a > );< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   }< / 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 >   GpuIndexFlat::~GpuIndexFlat() {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > 67< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > GpuIndexFlat::copyFrom< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * index) {< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / 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 >   < span class = "comment" > // GPU code has 32 bit indices< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   FAISS_THROW_IF_NOT_FMT(index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > < =< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / 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 = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "stringliteral" > " GPU index only supports up to %zu indices; " < / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "stringliteral" > " attempting to copy CPU index with %zu parameters" < / span > ,< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   (< span class = "keywordtype" > size_t< / span > ) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   (< span class = "keywordtype" > size_t< / span > ) index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > );< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / 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 >   < span class = "keyword" > delete< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html" > FlatIndex< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ,< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2,< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ,< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a5a2d8737f4277e55fc1a99ef4fc4c630" > useFloat16Accumulator< / a > ,< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0" > storeTransposed< / a > ,< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > memorySpace_< / a > );< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // The index could be empty< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > > 0) {< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#ab91c9ddf7dd258620f424619cb029e22" > add< / a > (index-> < a class = "code" href = "structfaiss_1_1IndexFlat.html#a9001de47890fe5d2eced9551d3613d47" > xb< / a > .data(),< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ));< / 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 >   }< / 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 = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > 100< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > GpuIndexFlat::copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > ;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > );< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a6988df17792dae30f24cc859728777e6" > getSize< / a > () == this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > );< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexFlat.html#a9001de47890fe5d2eced9551d3613d47" > xb< / a > .resize(this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > * this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > 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 >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > > 0) {< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keyword" > auto< / span > vecFloat32 = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad" > getVectorsFloat32Copy< / a > (stream);< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   fromDevice(vecFloat32, index-> < a class = "code" href = "structfaiss_1_1IndexFlat.html#a9001de47890fe5d2eced9551d3613d47" > xb< / a > .data(), stream);< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   fromDevice(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a12058744ffb3fbcbb047872449269c06" > getVectorsFloat32Ref< / a > (), index-> < a class = "code" href = "structfaiss_1_1IndexFlat.html#a9001de47890fe5d2eced9551d3613d47" > xb< / a > .data(), stream);< / 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 >   }< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   }< / div >
2017-04-06 19:33:41 +08:00
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordtype" > size_t< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a51b5aa0d68670ec7ccb32b0353c7387f" > 124< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a51b5aa0d68670ec7ccb32b0353c7387f" > GpuIndexFlat::getNumVecs< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordflow" > return< / span > this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   }< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a67161796f274a7171a67c36bdf1ef1db" > 129< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a67161796f274a7171a67c36bdf1ef1db" > GpuIndexFlat::reset< / a > () {< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > // Free the underlying memory< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#ae06cb2ffd46659b6639b97297546096e" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = 0;< / 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_1GpuIndexFlat.html#a0e74fad76628ddfb5ae3dc1d1c69f7e8" > 138< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a0e74fad76628ddfb5ae3dc1d1c69f7e8" > GpuIndexFlat::train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) {< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "comment" > // nothing to do< / span > < / 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 >   < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a35d31b6b5ea89629b369655fd03bd505" > 143< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a35d31b6b5ea89629b369655fd03bd505" > GpuIndexFlat::add< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) {< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   FAISS_THROW_IF_NOT_MSG(this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > , < span class = "stringliteral" > " Index not trained" < / 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 = "comment" > // For now, only support < = max int results< / span > < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / 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 = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "stringliteral" > " GPU index only supports up to %d indices" < / span > ,< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   std::numeric_limits< int> ::max());< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > if< / span > (n == 0) {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "comment" > // nothing to add< / span > < / 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 >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / 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 >   < span class = "comment" > // To avoid multiple re-allocations, ensure we have enough storage< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > // available< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a7a06b678b97e3732939f6a4fb5106ef6" > reserve< / a > (n, < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ));< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "comment" > // If we' re not operating in float16 mode, we don' t need the input< / span > < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "comment" > // data to be resident on our device; we can add directly.< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ) {< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a3f2744527184208d1b845dda9d655a88" > addImpl_< / a > (n, x, < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "comment" > // Otherwise, perform the paging< / span > < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af576341f6996b0e80e26b9748db51eb7" > GpuIndex::add< / a > (n, x);< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   }< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   }< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordtype" > bool< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ad42677502d391e88427b26da1ae9bd2d" > 173< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ad42677502d391e88427b26da1ae9bd2d" > GpuIndexFlat::addImplRequiresIDs_< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   }< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a3f2744527184208d1b845dda9d655a88" > 178< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a3f2744527184208d1b845dda9d655a88" > GpuIndexFlat::addImpl_< / a > (< span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > * ids) {< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > );< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   FAISS_ASSERT(n > 0);< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "comment" > // We do not support add_with_ids< / span > < / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   FAISS_THROW_IF_NOT_MSG(!ids, < span class = "stringliteral" > " add_with_ids not supported" < / 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 = "comment" > // Due to GPU indexing in int32, we can' t store more than this< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "comment" > // number of vectors on a GPU< / span > < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   FAISS_THROW_IF_NOT_FMT(this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > + n < =< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / 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 = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "stringliteral" > " GPU index only supports up to %zu indices" < / span > ,< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   (< span class = "keywordtype" > size_t< / span > ) std::numeric_limits< int> ::max());< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#ab91c9ddf7dd258620f424619cb029e22" > add< / a > (x, n, < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ));< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += n;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   }< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abe12febd18da31fb6c3355a2c6bff3d4" > 199< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abe12febd18da31fb6c3355a2c6bff3d4" > GpuIndexFlat::searchImpl_< / a > (< span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordtype" > float< / span > * distances,< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > * labels)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "comment" > // Input and output data are already resident on the GPU< / span > < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1Tensor.html" > Tensor< float, 2, true> < / a > queries(const_cast< float*> (x), {n, (int) this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > });< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1Tensor.html" > Tensor< float, 2, true> < / a > outDistances(distances, {n, k});< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1Tensor.html" > Tensor< Index::idx_t, 2, true> < / a > outLabels(labels, {n, k});< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "comment" > // FlatIndex only supports int indices< / span > < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceTensor.html" > DeviceTensor< int, 2, true> < / a > outIntLabels(< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a1dda2dc3db1bd62cde6657c5cdbfb6e1" > getMemoryManagerCurrentDevice< / a > (), {n, k}, stream);< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> query(queries, k, outDistances, outIntLabels, < span class = "keyword" > true< / span > );< / 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 idx_t< / 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 >   outIntLabels.data(),< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   outIntLabels.end(),< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   outLabels.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 >   < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd" > 226< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd" > GpuIndexFlat::reconstruct< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > key,< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordtype" > float< / span > * out)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   FAISS_THROW_IF_NOT_MSG(key < this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > , < span class = "stringliteral" > " index out of bounds" < / span > );< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ) {< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keyword" > auto< / span > vec = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad" > getVectorsFloat32Copy< / a > (key, 1, stream);< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   fromDevice(vec.data(), out, this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , stream);< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "keyword" > auto< / span > vec = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a12058744ffb3fbcbb047872449269c06" > getVectorsFloat32Ref< / a > ()[key];< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   fromDevice(vec.data(), out, this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , stream);< / 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 >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a472732e9bd8ffb1aa4c3abc31063dd28" > 243< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a472732e9bd8ffb1aa4c3abc31063dd28" > GpuIndexFlat::reconstruct_n< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > i0,< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > num,< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "keywordtype" > float< / span > * out)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / 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 >   FAISS_THROW_IF_NOT_MSG(i0 < this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > , < span class = "stringliteral" > " index out of bounds" < / span > );< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   FAISS_THROW_IF_NOT_MSG(i0 + num - 1 < this-> ntotal, < span class = "stringliteral" > " num out of bounds" < / span > );< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / 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 > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ) {< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keyword" > auto< / span > vec = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a258b0dd61a9c352ec7d68fa8bac0d7ad" > getVectorsFloat32Copy< / a > (i0, num, stream);< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   fromDevice(vec.data(), out, num * this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , stream);< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keyword" > auto< / span > vec = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html#a12058744ffb3fbcbb047872449269c06" > getVectorsFloat32Ref< / a > ()[i0];< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   fromDevice(vec.data(), out, this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > * num, stream);< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   }< / 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 >   < / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   GpuIndexFlat::verifySettings_()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "comment" > // If we want Hgemm, ensure that it is supported on this device< / span > < / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a5a2d8737f4277e55fc1a99ef4fc4c630" > useFloat16Accumulator< / a > ) {< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "preprocessor" > #ifdef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "preprocessor" > < / span > FAISS_THROW_IF_NOT_MSG(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > useFloat16< / a > ,< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "stringliteral" > " useFloat16Accumulator can only be enabled " < / span > < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "stringliteral" > " with useFloat16" < / span > );< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   FAISS_THROW_IF_NOT_FMT(getDeviceSupportsFloat16Math(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > ),< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "stringliteral" > " Device %d does not support Hgemm " < / span > < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "stringliteral" > " (useFloat16Accumulator)" < / span > ,< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > config_< / a > .< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > );< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "preprocessor" > #else< / span > < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "preprocessor" > < / span > FAISS_THROW_IF_NOT_MSG(< span class = "keyword" > false< / span > , < span class = "stringliteral" > " not compiled with float16 support" < / span > );< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "preprocessor" > < / 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 = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "comment" > // GpuIndexFlatL2< / span > < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "comment" > //< / span > < / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > 284< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > GpuIndexFlatL2::GpuIndexFlatL2< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > * index,< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > (resources, index, config) {< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   }< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#a514832ff1173021362b583a6b2941b87" > 290< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > GpuIndexFlatL2::GpuIndexFlatL2< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > (resources, dims, faiss::METRIC_L2, config) {< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   }< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#a9a9de859274bb73e6d8ea02cae5ca9a6" > 297< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#a9a9de859274bb73e6d8ea02cae5ca9a6" > GpuIndexFlatL2::copyFrom< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > * index) {< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > GpuIndexFlat::copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   }< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#ab21960d379190b98aaa05ae3877dea09" > 302< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#ab21960d379190b98aaa05ae3877dea09" > GpuIndexFlatL2::copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > * index) {< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > GpuIndexFlat::copyTo< / a > (index);< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   }< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "comment" > // GpuIndexFlatIP< / span > < / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > 310< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > GpuIndexFlatIP::GpuIndexFlatIP< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > * index,< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > (resources, index, config) {< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   }< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#ad7ef0af6369d33f136579340f5bc8e0a" > 316< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > GpuIndexFlatIP::GpuIndexFlatIP< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > (resources, dims, faiss::METRIC_INNER_PRODUCT, config) {< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   }< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#aa181b1778a8dca81ac5cf6cd6a3d5f1d" > 323< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#aa181b1778a8dca81ac5cf6cd6a3d5f1d" > GpuIndexFlatIP::copyFrom< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > * index) {< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > GpuIndexFlat::copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   }< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#af70d0fe80cf3bf16ffffd8b16ed64f08" > 328< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#af70d0fe80cf3bf16ffffd8b16ed64f08" > GpuIndexFlatIP::copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > * index) {< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > GpuIndexFlat::copyTo< / a > (index);< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   }< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   } } < span class = "comment" > // namespace< / 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#l00089" > FlatIndex.cu:89< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00021" > IndexFlat.h:21< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html_a5a2d8737f4277e55fc1a99ef4fc4c630" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a5a2d8737f4277e55fc1a99ef4fc4c630" > faiss::gpu::GpuIndexFlatConfig::useFloat16Accumulator< / a > < / div > < div class = "ttdeci" > bool useFloat16Accumulator< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00038" > GpuIndexFlat.h:38< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html_a0342a26f5e59563bfe04f3f80e3b27f0" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#a0342a26f5e59563bfe04f3f80e3b27f0" > faiss::gpu::GpuIndexFlatConfig::storeTransposed< / a > < / div > < div class = "ttdeci" > bool storeTransposed< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00046" > GpuIndexFlat.h:46< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html_a9a9de859274bb73e6d8ea02cae5ca9a6" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#a9a9de859274bb73e6d8ea02cae5ca9a6" > faiss::gpu::GpuIndexFlatL2::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(faiss::IndexFlatL2 *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00297" > GpuIndexFlat.cu:297< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a046007ff2fafcafc6ae328769c700e39" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > faiss::gpu::GpuIndexFlat::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexFlat *index) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00100" > GpuIndexFlat.cu:100< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a472732e9bd8ffb1aa4c3abc31063dd28" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a472732e9bd8ffb1aa4c3abc31063dd28" > faiss::gpu::GpuIndexFlat::reconstruct_n< / a > < / div > < div class = "ttdeci" > void reconstruct_n(faiss::Index::idx_t i0, faiss::Index::idx_t num, float *out) const override< / div > < div class = "ttdoc" > Batch reconstruction method. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00243" > GpuIndexFlat.cu:243< / 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#l00045" > FlatIndex.cu:45< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1FlatIndex_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1FlatIndex.html" > faiss::gpu::FlatIndex< / a > < / div > < div class = "ttdoc" > Holder of GPU resources for a particular flat index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "FlatIndex_8cuh_source.html#l00021" > FlatIndex.cuh:21< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html_ab21960d379190b98aaa05ae3877dea09" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#ab21960d379190b98aaa05ae3877dea09" > faiss::gpu::GpuIndexFlatL2::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexFlatL2 *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00302" > GpuIndexFlat.cu:302< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlatL2_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00077" > IndexFlat.h:77< / 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_1GpuIndexFlat_html_a51b5aa0d68670ec7ccb32b0353c7387f" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a51b5aa0d68670ec7ccb32b0353c7387f" > faiss::gpu::GpuIndexFlat::getNumVecs< / a > < / div > < div class = "ttdeci" > size_t getNumVecs() const < / div > < div class = "ttdoc" > Returns the number of vectors we contain. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00124" > GpuIndexFlat.cu:124< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_abe12febd18da31fb6c3355a2c6bff3d4" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abe12febd18da31fb6c3355a2c6bff3d4" > faiss::gpu::GpuIndexFlat::searchImpl_< / a > < / div > < div class = "ttdeci" > void searchImpl_(int n, const float *x, int k, float *distances, faiss::Index::idx_t *labels) const override< / div > < div class = "ttdoc" > Called from GpuIndex for search. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00199" > GpuIndexFlat.cu:199< / 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 = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_af8a1626e4c54a451d0b9f82df3a6687e" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > faiss::gpu::GpuIndexFlat::GpuIndexFlat< / a > < / div > < div class = "ttdeci" > GpuIndexFlat(GpuResources *resources, const faiss::IndexFlat *index, GpuIndexFlatConfig config=GpuIndexFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00025" > GpuIndexFlat.cu:25< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlatIP_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00071" > IndexFlat.h:71< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html_afd694186c87751937a646f3db2c8ba3d" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html#afd694186c87751937a646f3db2c8ba3d" > faiss::gpu::GpuIndexFlatConfig::useFloat16< / a > < / div > < div class = "ttdeci" > bool useFloat16< / div > < div class = "ttdoc" > Whether or not data is stored as float16. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00033" > GpuIndexFlat.h:33< / 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 >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html" > faiss::gpu::GpuIndex< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00033" > GpuIndex.h:33< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html_aed22de4a439fa0b2f560e3c716a7c626" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > faiss::gpu::GpuIndexFlatL2::GpuIndexFlatL2< / a > < / div > < div class = "ttdeci" > GpuIndexFlatL2(GpuResources *resources, faiss::IndexFlatL2 *index, GpuIndexFlatConfig config=GpuIndexFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00284" > GpuIndexFlat.cu:284< / a > < / div > < / div >
2017-07-26 18:11:01 +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 >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< 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 = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > faiss::gpu::GpuIndexFlatConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00025" > GpuIndexFlat.h:25< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a7f1cdf03d3545a43fc91bb5cace3b6fd" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd" > faiss::gpu::GpuIndexFlat::reconstruct< / a > < / div > < div class = "ttdeci" > void reconstruct(faiss::Index::idx_t key, float *out) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00226" > GpuIndexFlat.cu:226< / 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#l00033" > GpuResources.cpp:33< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html_a67750633faa35677ee505a1e61cfe142" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > faiss::gpu::GpuIndex::device_< / a > < / div > < div class = "ttdeci" > const int device_< / div > < div class = "ttdoc" > The GPU device we are resident on. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00126" > GpuIndex.h:126< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html_af70d0fe80cf3bf16ffffd8b16ed64f08" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#af70d0fe80cf3bf16ffffd8b16ed64f08" > faiss::gpu::GpuIndexFlatIP::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexFlatIP *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00328" > GpuIndexFlat.cu:328< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html_a5f8c6e1a31cae06f6a5bcd1828307304" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > faiss::gpu::GpuIndexFlatIP::GpuIndexFlatIP< / a > < / div > < div class = "ttdeci" > GpuIndexFlatIP(GpuResources *resources, faiss::IndexFlatIP *index, GpuIndexFlatConfig config=GpuIndexFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00310" > GpuIndexFlat.cu:310< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html_a17b82a8a11783da6eb1b07c9aab98c36" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > faiss::gpu::GpuIndex::resources_< / a > < / div > < div class = "ttdeci" > GpuResources * resources_< / div > < div class = "ttdoc" > Manages streams, cuBLAS handles and scratch memory for devices. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00123" > GpuIndex.h:123< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a3f2744527184208d1b845dda9d655a88" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a3f2744527184208d1b845dda9d655a88" > faiss::gpu::GpuIndexFlat::addImpl_< / a > < / div > < div class = "ttdeci" > void addImpl_(int n, const float *x, const Index::idx_t *ids) override< / div > < div class = "ttdoc" > Called from GpuIndex for add. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00178" > GpuIndexFlat.cu:178< / 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#l00066" > FlatIndex.cu:66< / 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#l00196" > FlatIndex.cu:196< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > faiss::Index::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 = "Index_8h_source.html#l00067" > Index.h:67< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html_af576341f6996b0e80e26b9748db51eb7" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#af576341f6996b0e80e26b9748db51eb7" > faiss::gpu::GpuIndex::add< / a > < / div > < div class = "ttdeci" > void add(faiss::Index::idx_t, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8cu_source.html#l00079" > GpuIndex.cu:79< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_abb964875e0893de1d8334ca5ad0f62dc" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > faiss::gpu::GpuIndexFlat::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(const faiss::IndexFlat *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00067" > GpuIndexFlat.cu:67< / 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_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 = "classfaiss_1_1gpu_1_1GpuIndex_html_af304169eac7781b573f76d545f37b7d9" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > faiss::gpu::GpuIndex::memorySpace_< / a > < / div > < div class = "ttdeci" > const MemorySpace memorySpace_< / div > < div class = "ttdoc" > The memory space of our primary storage on the GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00129" > GpuIndex.h:129< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_ad42677502d391e88427b26da1ae9bd2d" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ad42677502d391e88427b26da1ae9bd2d" > faiss::gpu::GpuIndexFlat::addImplRequiresIDs_< / a > < / div > < div class = "ttdeci" > bool addImplRequiresIDs_() const override< / div > < div class = "ttdoc" > Flat index does not require IDs as there is no storage available for them. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00173" > GpuIndexFlat.cu:173< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a9efdc92bf03d2d6820fb989cf77e8067" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a9efdc92bf03d2d6820fb989cf77e8067" > faiss::gpu::GpuIndexFlat::config_< / a > < / div > < div class = "ttdeci" > const GpuIndexFlatConfig config_< / div > < div class = "ttdoc" > Our config object. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00123" > GpuIndexFlat.h:123< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a8e18f641854b2bde83ecff0a2f9a6f4e" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > faiss::Index::metric_type< / a > < / div > < div class = "ttdeci" > MetricType metric_type< / div > < div class = "ttdoc" > type of metric this index uses for search < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00074" > Index.h:74< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a35d31b6b5ea89629b369655fd03bd505" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a35d31b6b5ea89629b369655fd03bd505" > faiss::gpu::GpuIndexFlat::add< / a > < / div > < div class = "ttdeci" > void add(faiss::Index::idx_t, const float *x) override< / div > < div class = "ttdoc" > Overrides to avoid excessive copies. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00143" > GpuIndexFlat.cu:143< / 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#l00077" > FlatIndex.cu:77< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > faiss::gpu::GpuIndexFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00052" > GpuIndexFlat.h:52< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a67161796f274a7171a67c36bdf1ef1db" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a67161796f274a7171a67c36bdf1ef1db" > faiss::gpu::GpuIndexFlat::reset< / a > < / div > < div class = "ttdeci" > void reset() override< / div > < div class = "ttdoc" > Clears all vectors from this index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00129" > GpuIndexFlat.cu:129< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html_aa181b1778a8dca81ac5cf6cd6a3d5f1d" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#aa181b1778a8dca81ac5cf6cd6a3d5f1d" > faiss::gpu::GpuIndexFlatIP::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(faiss::IndexFlatIP *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00323" > GpuIndexFlat.cu:323< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a6e92732617c4dbe364e7678dd8773a7f" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > faiss::Index::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 = "Index_8h_source.html#l00071" > Index.h:71< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< 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#l00270" > FlatIndex.cu:270< / 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 = "structfaiss_1_1IndexFlat_html_a9001de47890fe5d2eced9551d3613d47" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlat.html#a9001de47890fe5d2eced9551d3613d47" > faiss::IndexFlat::xb< / a > < / div > < div class = "ttdeci" > std::vector< float > xb< / div > < div class = "ttdoc" > database vectors, size ntotal * d < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00023" > IndexFlat.h:23< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a0e74fad76628ddfb5ae3dc1d1c69f7e8" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a0e74fad76628ddfb5ae3dc1d1c69f7e8" > faiss::gpu::GpuIndexFlat::train< / a > < / div > < div class = "ttdeci" > void train(Index::idx_t n, const float *x) override< / div > < div class = "ttdoc" > This index is not trained, so this does nothing. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00138" > GpuIndexFlat.cu:138< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_afd12191c638da74760ff397cf319752c" > < div class = "ttname" > < a href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > < / div > < div class = "ttdeci" > MetricType< / div > < div class = "ttdoc" > Some algorithms support both an inner product version and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00044" > Index.h:44< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_ae393840fc80403369452c25c9155e067" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > faiss::gpu::GpuIndexFlat::data_< / a > < / div > < div class = "ttdeci" > FlatIndex * data_< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00127" > GpuIndexFlat.h:127< / a > < / div > < / div >
2017-02-23 06:26:44 +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 >
