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2017-02-23 06:26:44 +08:00
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< div class = "title" > /data/users/matthijs/github_faiss/faiss/IndexIVF.cpp< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > /**< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) 2015-present, Facebook, Inc.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > * All rights reserved.< / span > < / div >
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< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * This source code is licensed under the BSD+Patents license found in the< / span > < / div >
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< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > /* Copyright 2004-present Facebook. All Rights Reserved.< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > Inverted list structure.< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " IndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include < cstdio> < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " utils.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " hamming.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " FaissAssert.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " IndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " AuxIndexStructures.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "comment" > /*****************************************< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "comment" > * IndexIVF implementation< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "comment" > ******************************************/< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < / div >
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< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
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< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a617f8c4ff40619d141c5c21dbf758ddf" > 31< / a > < / span >   IndexIVF::IndexIVF (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * quantizer, < span class = "keywordtype" > size_t< / span > d, < span class = "keywordtype" > size_t< / span > nlist,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric):< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > (d, metric),< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   nlist (nlist),< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   nprobe (1),< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   quantizer (quantizer),< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   quantizer_trains_alone (false),< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   own_fields (false),< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   ids (nlist),< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   maintain_direct_map (false)< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   {< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   FAISS_THROW_IF_NOT (d == quantizer-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = quantizer-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > & & (quantizer-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > // Spherical by default if the metric is inner_product< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > spherical< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   }< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // here we set a low # iterations because this is typically used< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // for large clusterings (nb this is not used for the MultiIndex,< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // for which quantizer_trains_alone = true)< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9" > niter< / a > = 10;< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7" > cp< / a > .verbose = < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ;< / div >
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< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > = 0; < span class = "comment" > // let sub-classes set this< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   codes.resize(nlist);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   }< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   IndexIVF::IndexIVF ():< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   nlist (0), nprobe (1), quantizer (nullptr),< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   quantizer_trains_alone (false), own_fields (false),< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   maintain_direct_map (false)< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   {}< / div >
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< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < / div >
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< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a821002a9d3a1a74dc8d6f6072eca4075" > 64< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a821002a9d3a1a74dc8d6f6072eca4075" > IndexIVF::add< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x)< / 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 >   < a class = "code" href = "structfaiss_1_1Index.html#aa6931dfe054b33b02c842ff75f7a0c7f" > add_with_ids< / a > (n, x, < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a1c11ce77f459e2ab3e5d9a4c2263ad89" > 69< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a1c11ce77f459e2ab3e5d9a4c2263ad89" > IndexIVF::make_direct_map< / a > (< span class = "keywordtype" > bool< / span > new_maintain_direct_map)< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   {< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // nothing to do< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordflow" > if< / span > (new_maintain_direct_map == < a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > )< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordflow" > if< / span > (new_maintain_direct_map) {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   direct_map.resize (< a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > , -1);< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > key = 0; key < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ; key++) {< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keyword" > const< / span > std::vector< long> & idlist = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [key];< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > ofs = 0; ofs < idlist.size(); ofs++) {< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   FAISS_THROW_IF_NOT_MSG (< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   0 < = idlist [ofs] & & idlist[ofs] < < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "stringliteral" > " direct map supported only for seuquential ids" < / span > );< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   direct_map [idlist [ofs]] = key < < 32 | ofs;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   }< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   }< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   direct_map.clear ();< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   }< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > = new_maintain_direct_map;< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   }< / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#ae2fd47b7d52603659e269aa8f6abb613" > 94< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#ae2fd47b7d52603659e269aa8f6abb613" > IndexIVF::search< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > float< / span > *distances, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordtype" > long< / span > * idx = < span class = "keyword" > new< / span > < span class = "keywordtype" > long< / span > [n * < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ];< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < a class = "code" href = "structfaiss_1_1ScopeDeleter.html" > ScopeDeleter< long> < / a > del (idx);< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordtype" > float< / span > * coarse_dis = < span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [n * < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ];< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < a class = "code" href = "structfaiss_1_1ScopeDeleter.html" > ScopeDeleter< float> < / a > del2 (coarse_dis);< / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > search< / a > (n, x, < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > , coarse_dis, idx);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#ae13fe9ff54a870ded3487c5c282ca566" > search_preassigned< / a > (n, x, k, idx, coarse_dis,< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   distances, labels, < span class = "keyword" > false< / span > );< / 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 >   }< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a47a3b7665e9d2be41c6d3b2e9144b73f" > 110< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a47a3b7665e9d2be41c6d3b2e9144b73f" > IndexIVF::reset< / a > ()< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   direct_map.clear();< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i].clear();< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   codes[i].clear();< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   }< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a545c275690fac76be8c1a4685b3c7b8e" > 121< / a > < / span >   < span class = "keywordtype" > long< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a545c275690fac76be8c1a4685b3c7b8e" > IndexIVF::remove_ids< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IDSelector.html" > IDSelector< / a > & sel)< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   {< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   FAISS_THROW_IF_NOT_MSG (!< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > ,< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "stringliteral" > " direct map remove not implemented" < / span > );< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordtype" > long< / span > nremove = 0;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "preprocessor" > #pragma omp parallel for reduction(+: nremove)< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   std::vector< idx_t> & idsi = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i];< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   uint8_t * codesi = codes[i].data();< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordtype" > long< / span > l = idsi.size(), j = 0;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keywordflow" > while< / span > (j < l) {< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > if< / span > (sel.is_member (idsi[j])) {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   l--;< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   idsi [j] = idsi [l];< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   memmove (codesi + j * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > ,< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   codesi + l * code_size, code_size);< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   j++;< / 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 = "keywordflow" > if< / span > (l < idsi.size()) {< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   nremove += idsi.size() - l;< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   idsi.resize (l);< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   codes[i].resize (l * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   }< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   }< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > -= nremove;< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > return< / span > nremove;< / 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 >   < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a7a1d5eec194db0977b2318c6ed6a2b86" > 155< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a7a1d5eec194db0977b2318c6ed6a2b86" > IndexIVF::train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x)< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   {< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > & & (< a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > )) {< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   printf (< span class = "stringliteral" > " IVF quantizer does not need training.\n" < / span > );< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexIVF.html#a23ee7f75f8be4472a17778f2b33875de" > quantizer_trains_alone< / a > ) {< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   printf (< span class = "stringliteral" > " IVF quantizer trains alone...\n" < / span > );< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a1ffe916c958605c38b0b1bfad42485e4" > train< / a > (n, x);< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   FAISS_THROW_IF_NOT_MSG (< a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ,< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "stringliteral" > " nlist not consistent with quantizer size" < / 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 = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   printf (< span class = "stringliteral" > " Training IVF quantizer on %ld vectors in %dD\n" < / span > ,< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   n, < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / 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 >   < a class = "code" href = "structfaiss_1_1Clustering.html" > Clustering< / a > clus (< a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > , < a class = "code" href = "structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7" > cp< / a > );< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a849361f5f0ab0aba8d419c86f2594191" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   clus.< a class = "code" href = "structfaiss_1_1Clustering.html#a839f210abb11c7a1c7162e336e0ff9cf" > train< / a > (n, x, *< a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > );< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > true< / 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 = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   printf (< span class = "stringliteral" > " Training IVF residual\n" < / span > );< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a567ef760fd09d09ce2ee4f4e6c2d7280" > train_residual< / a > (n, x);< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   }< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a567ef760fd09d09ce2ee4f4e6c2d7280" > 184< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a567ef760fd09d09ce2ee4f4e6c2d7280" > IndexIVF::train_residual< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < span class = "comment" > /*n*/< / span > , < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * < span class = "comment" > /*x*/< / span > ) {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   printf(< span class = "stringliteral" > " IndexIVF: no residual training\n" < / span > );< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // does nothing by default< / span > < / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   }< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#aeab84d4edf2cf9747c923e1a8395d9f3" > 192< / a > < / span >   < span class = "keywordtype" > double< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#aeab84d4edf2cf9747c923e1a8395d9f3" > IndexIVF::imbalance_factor< / a > ()< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   std::vector< int> hist (< a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   hist[i] = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i].size();< / 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 = "keywordflow" > return< / span > < a class = "code" href = "namespacefaiss.html#af762526714e6138009c72aee98657538" > faiss::imbalance_factor< / a > (nlist, hist.data());< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   }< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a513dfec3a250f08a9fdd18a24178e6bb" > 201< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a513dfec3a250f08a9fdd18a24178e6bb" > IndexIVF::print_stats< / a > ()< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   std::vector< int> sizes(40);< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < sizes.size(); j++) {< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > if< / span > ((< a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i].size() > > j) == 0) {< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   sizes[j]++;< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   }< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   }< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   }< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < sizes.size(); i++) {< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > if< / span > (sizes[i]) {< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   printf (< span class = "stringliteral" > " list size in < %d: %d instances\n" < / span > ,< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   1 < < i, sizes[i]);< / 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 >   }< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   }< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a0f22cc237c30c935df5b6560aecf8f01" > 221< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a0f22cc237c30c935df5b6560aecf8f01" > IndexIVF::merge_from< / a > (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > & other, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > add_id)< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   {< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "comment" > // minimal sanity checks< / span > < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   FAISS_THROW_IF_NOT (other.< a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > == < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   FAISS_THROW_IF_NOT (other.< a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > == < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   FAISS_THROW_IF_NOT_MSG ((!< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > & & < / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   !other.< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > ),< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "stringliteral" > " direct map copy not implemented" < / span > );< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   FAISS_THROW_IF_NOT_MSG (< span class = "keyword" > typeid< / span > (*< span class = "keyword" > this< / span > ) == < span class = "keyword" > typeid< / span > (other),< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "stringliteral" > " can only merge indexes of the same type" < / span > );< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   std::vector< idx_t> & src = other.< a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i];< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   std::vector< idx_t> & dest = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i];< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > j = 0; j < src.size(); j++)< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   dest.push_back (src[j] + add_id);< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   src.clear();< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   codes[i].insert (codes[i].end(),< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   other.codes[i].begin(),< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   other.codes[i].end());< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   other.codes[i].clear();< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   }< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += other.< a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   other.< a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   }< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVF.html#a2fc63f9bbfe64e05106366465ece2187" > 248< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a2fc63f9bbfe64e05106366465ece2187" > IndexIVF::copy_subset_to< / a > (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > & other, < span class = "keywordtype" > int< / span > subset_type,< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "keywordtype" > long< / span > a1, < span class = "keywordtype" > long< / span > a2)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   FAISS_THROW_IF_NOT (< a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > == other.< a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   FAISS_THROW_IF_NOT (!other.< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > );< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   FAISS_THROW_IF_NOT_MSG (subset_type == 0 || subset_type == 2,< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "stringliteral" > " this subset type is not implemented" < / span > );< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordtype" > size_t< / span > accu_n = 0;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordtype" > size_t< / span > accu_a1 = 0;< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordtype" > size_t< / span > accu_a2 = 0;< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > list_no = 0; list_no < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ; list_no++) {< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < span class = "keyword" > const< / span > std::vector< idx_t> & ids_in = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [list_no];< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   std::vector< idx_t> & ids_out = other.< a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [list_no];< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> & codes_in = codes[list_no];< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   std::vector< uint8_t> & codes_out = other.codes[list_no];< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "keywordtype" > size_t< / span > n = ids_in.size();< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "keywordflow" > if< / span > (subset_type == 0) {< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < span class = "keywordtype" > id< / span > = ids_in[i];< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "keywordflow" > if< / span > (a1 < = < span class = "keywordtype" > id< / span > & & < span class = "keywordtype" > id< / span > < a2) {< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   ids_out.push_back (< span class = "keywordtype" > id< / span > );< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   codes_out.insert (codes_out.end(),< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   codes_in.begin() + i * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > ,< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   codes_in.begin() + (i + 1) * code_size);< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   other.< a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ++;< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   }< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   }< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (subset_type == 2) {< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // see what is allocated to a1 and to a2< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordtype" > size_t< / span > next_accu_n = accu_n + n;< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordtype" > size_t< / span > next_accu_a1 = next_accu_n * a1 / < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keywordtype" > size_t< / span > i1 = next_accu_a1 - accu_a1;< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   accu_a1 = next_accu_a1;< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordtype" > size_t< / span > next_accu_a2 = next_accu_n * a2 / < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordtype" > size_t< / span > i2 = next_accu_a2 - accu_a2;< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   accu_a2 = next_accu_a2;< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   ids_out.insert(ids_out.end(),< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   ids_in.begin() + i1,< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   ids_in.begin() + i2);< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   codes_out.insert (codes_out.end(),< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   codes_in.begin() + i1 * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > ,< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   codes_in.begin() + i2 * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   other.< a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += i2 - i1;< / 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 >   accu_n += n;< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   }< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   FAISS_ASSERT(accu_n == < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > );< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   }< / 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 >   < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   IndexIVF::~IndexIVF()< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   {< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73" > own_fields< / a > ) < span class = "keyword" > delete< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "comment" > /*****************************************< / span > < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "comment" > * IndexIVFFlat implementation< / span > < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "comment" > ******************************************/< / span > < / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   IndexIVFFlat::IndexIVFFlat (Index * quantizer,< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < span class = "keywordtype" > size_t< / span > d, < span class = "keywordtype" > size_t< / span > nlist, < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric):< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   IndexIVF (quantizer, d, nlist, metric)< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   {< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > = < span class = "keyword" > sizeof< / span > (float) * d;< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   }< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
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< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html#a5f7356766632d3ce2838f285aa6b8e76" > 325< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a5f7356766632d3ce2838f285aa6b8e76" > IndexIVFFlat::add_with_ids< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *xids)< / 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 >   < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#aea729c3d8c70bdd93f8e413e834851a4" > add_core< / a > (n, x, xids, < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   }< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html#aea729c3d8c70bdd93f8e413e834851a4" > 330< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#aea729c3d8c70bdd93f8e413e834851a4" > IndexIVFFlat::add_core< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *xids,< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *precomputed_idx)< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   {< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   FAISS_THROW_IF_NOT (< a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > );< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   FAISS_THROW_IF_NOT_MSG (!(< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > & & xids),< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "stringliteral" > " cannot have direct map and add with ids" < / span > );< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * idx;< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < a class = "code" href = "structfaiss_1_1ScopeDeleter.html" > ScopeDeleter< long> < / a > del;< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < span class = "keywordflow" > if< / span > (precomputed_idx) {< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   idx = precomputed_idx;< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "keywordtype" > long< / span > * idx0 = < span class = "keyword" > new< / span > < span class = "keywordtype" > long< / span > [n];< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (n, x, idx0);< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   idx = idx0;< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   del.set (idx);< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   }< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordtype" > long< / span > n_add = 0;< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = xids ? xids[i] : < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > + i;< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < span class = "keywordtype" > long< / span > list_no = idx [i];< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordflow" > if< / span > (list_no < 0)< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   assert (list_no < < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [list_no].push_back (< span class = "keywordtype" > id< / span > );< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *xi = x + i * < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < span class = "comment" > /* store the vectors */< / span > < / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordtype" > size_t< / span > ofs = codes[list_no].size();< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   codes[list_no].resize(ofs + < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   memcpy(codes[list_no].data() + ofs,< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   xi, < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > )< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   direct_map.push_back (list_no < < 32 | (< a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [list_no].size() - 1));< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   n_add++;< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   }< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   printf(< span class = "stringliteral" > " IndexIVFFlat::add_core: added %ld / %ld vectors\n" < / span > ,< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   n_add, n);< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   }< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += n_add;< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   }< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < span class = "keywordtype" > void< / span > IndexIVFFlatStats::reset()< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   {< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   memset ((< span class = "keywordtype" > void< / span > *)< span class = "keyword" > this< / span > , 0, < span class = "keyword" > sizeof< / span > (*< span class = "keyword" > this< / span > ));< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   }< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   IndexIVFFlatStats indexIVFFlat_stats;< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < span class = "keywordtype" > void< / span > search_knn_inner_product (< span class = "keyword" > const< / span > IndexIVFFlat & ivf,< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < span class = "keywordtype" > size_t< / span > nx,< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keys,< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   float_minheap_array_t * res,< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keywordtype" > bool< / span > store_pairs)< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   {< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > k = res-> k;< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "keywordtype" > size_t< / span > nlistv = 0, ndis = 0;< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "keywordtype" > size_t< / span > d = ivf.d;< / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < span class = "preprocessor" > #pragma omp parallel for reduction(+: nlistv, ndis)< / span > < / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < nx; i++) {< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * xi = x + i * d;< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keysi = keys + i * ivf.nprobe;< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < span class = "keywordtype" > float< / span > * __restrict simi = res-> get_val (i);< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "keywordtype" > long< / span > * __restrict idxi = res-> get_ids (i);< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   minheap_heapify (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > ik = 0; ik < ivf.nprobe; ik++) {< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "keywordtype" > long< / span > key = keysi[ik]; < span class = "comment" > /* select the list */< / span > < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < span class = "keywordflow" > if< / span > (key < 0) {< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < span class = "comment" > // not enough centroids for multiprobe< / span > < / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   }< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   FAISS_THROW_IF_NOT_FMT (< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   key < (< span class = "keywordtype" > long< / span > ) ivf.nlist,< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < span class = "stringliteral" > " Invalid key=%ld at ik=%ld nlist=%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   key, ik, ivf.nlist);< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   nlistv++;< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > list_size = ivf.ids[key].size();< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * list_vecs = (< span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *)(ivf.codes[key].data());< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < list_size; j++) {< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * yj = list_vecs + d * j;< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "keywordtype" > float< / span > ip = fvec_inner_product (xi, yj, d);< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "keywordflow" > if< / span > (ip > simi[0]) {< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   minheap_pop (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = store_pairs ? (key < < 32 | j) : ivf.ids[key][j];< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   minheap_push (k, simi, idxi, ip, < span class = "keywordtype" > id< / span > );< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   }< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   }< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   ndis += list_size;< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   }< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   minheap_reorder (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   }< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   indexIVFFlat_stats.nq += nx;< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   indexIVFFlat_stats.nlist += nlistv;< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   indexIVFFlat_stats.ndis += ndis;< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   }< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "keywordtype" > void< / span > search_knn_L2sqr (< span class = "keyword" > const< / span > IndexIVFFlat & ivf,< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "keywordtype" > size_t< / span > nx,< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keys,< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   float_maxheap_array_t * res,< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   < span class = "keywordtype" > bool< / span > store_pairs)< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   {< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > k = res-> k;< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < span class = "keywordtype" > size_t< / span > nlistv = 0, ndis = 0;< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < span class = "keywordtype" > size_t< / span > d = ivf.d;< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "preprocessor" > #pragma omp parallel for reduction(+: nlistv, ndis)< / span > < / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < nx; i++) {< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * xi = x + i * d;< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keysi = keys + i * ivf.nprobe;< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   < span class = "keywordtype" > float< / span > * __restrict disi = res-> get_val (i);< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < span class = "keywordtype" > long< / span > * __restrict idxi = res-> get_ids (i);< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   maxheap_heapify (k, disi, idxi);< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > ik = 0; ik < ivf.nprobe; ik++) {< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "keywordtype" > long< / span > key = keysi[ik]; < span class = "comment" > /* select the list */< / span > < / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < span class = "keywordflow" > if< / span > (key < 0) {< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   < span class = "comment" > // not enough centroids for multiprobe< / span > < / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   }< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   FAISS_THROW_IF_NOT_FMT (< / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   key < (< span class = "keywordtype" > long< / span > ) ivf.nlist,< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "stringliteral" > " Invalid key=%ld at ik=%ld nlist=%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   key, ik, ivf.nlist);< / div >
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< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   nlistv++;< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > list_size = ivf.ids[key].size();< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * list_vecs = (< span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *)(ivf.codes[key].data());< / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < list_size; j++) {< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * yj = list_vecs + d * j;< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "keywordtype" > float< / span > disij = < a class = "code" href = "namespacefaiss.html#a7466bd32de31640860393a701eaac5ad" > fvec_L2sqr< / a > (xi, yj, d);< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < span class = "keywordflow" > if< / span > (disij < disi[0]) {< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   maxheap_pop (k, disi, idxi);< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = store_pairs ? (key < < 32 | j) : ivf.ids[key][j];< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   maxheap_push (k, disi, idxi, disij, < span class = "keywordtype" > id< / span > );< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   }< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   }< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   ndis += list_size;< / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   }< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   maxheap_reorder (k, disi, idxi);< / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   }< / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   indexIVFFlat_stats.nq += nx;< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   indexIVFFlat_stats.nlist += nlistv;< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   indexIVFFlat_stats.ndis += ndis;< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   }< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   < / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   < / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   } < span class = "comment" > // anonymous namespace< / span > < / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   < / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html#a6abfaf0da529ece0e68909aab4c282fd" > 493< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a6abfaf0da529ece0e68909aab4c282fd" > IndexIVFFlat::search_preassigned< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *idx,< / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * < span class = "comment" > /* coarse_dis */< / span > ,< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordtype" > float< / span > *distances, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels,< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   < span class = "keywordtype" > bool< / span > store_pairs)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   < a class = "code" href = "structfaiss_1_1HeapArray.html" > float_minheap_array_t< / a > res = {< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   size_t(n), size_t(k), labels, distances};< / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   search_knn_inner_product (*< span class = "keyword" > this< / span > , n, x, idx, & res, store_pairs);< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == METRIC_L2) {< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   < a class = "code" href = "structfaiss_1_1HeapArray.html" > float_maxheap_array_t< / a > res = {< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   size_t(n), size_t(k), labels, distances};< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   search_knn_L2sqr (*< span class = "keyword" > this< / span > , n, x, idx, & res, store_pairs);< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   }< / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   }< / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   < / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html#ad2b306f160e153b5cfb572cf1d8ece24" > 512< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#ad2b306f160e153b5cfb572cf1d8ece24" > IndexIVFFlat::range_search< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > nx, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, < span class = "keywordtype" > float< / span > radius,< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html" > RangeSearchResult< / a > *result)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > * keys = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > [nx * < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ];< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < a class = "code" href = "structfaiss_1_1ScopeDeleter.html" > ScopeDeleter< idx_t> < / a > del (keys);< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (nx, x, keys, < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > );< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   < / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   < span class = "preprocessor" > #pragma omp parallel< / span > < / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < span class = "preprocessor" > < / span > {< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html" > RangeSearchPartialResult< / a > pres(result);< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   < / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < nx; i++) {< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * xi = x + i * < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keysi = keys + i * < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ;< / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html" > RangeSearchPartialResult::QueryResult< / a > & qres =< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   pres.< a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html#a954c26beebb561a6c2b0f399c48a9db3" > new_result< / a > (i);< / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < / div >
2017-09-08 19:39:41 +08:00
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > ik = 0; ik < < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ; ik++) {< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   < span class = "keywordtype" > long< / span > key = keysi[ik]; < span class = "comment" > /* select the list */< / span > < / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   < span class = "keywordflow" > if< / span > (key < 0 || key > = (< span class = "keywordtype" > long< / span > ) < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ) {< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   fprintf (stderr, < span class = "stringliteral" > " Invalid key=%ld at ik=%ld nlist=%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   key, ik, nlist);< / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   < span class = "keywordflow" > throw< / span > ;< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   }< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   < / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > list_size = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [key].size();< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * list_vecs = (< span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *)(codes[key].data());< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < list_size; j++) {< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * yj = list_vecs + d * j;< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == METRIC_L2) {< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < span class = "keywordtype" > float< / span > disij = < a class = "code" href = "namespacefaiss.html#a7466bd32de31640860393a701eaac5ad" > fvec_L2sqr< / a > (xi, yj, d);< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < span class = "keywordflow" > if< / span > (disij < radius) {< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   qres.add (disij, < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [key][j]);< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   }< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < span class = "keywordtype" > float< / span > disij = fvec_inner_product(xi, yj, d);< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "keywordflow" > if< / span > (disij > radius) {< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   qres.add (disij, < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [key][j]);< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   }< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   }< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   }< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   }< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   }< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   pres.finalize ();< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   }< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   }< / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   < / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html#a2adc0b0002c32ddc01aec4ab96dd659f" > 562< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a2adc0b0002c32ddc01aec4ab96dd659f" > IndexIVFFlat::update_vectors< / a > (< span class = "keywordtype" > int< / span > n, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *new_ids, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x)< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   {< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   FAISS_THROW_IF_NOT (< a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > );< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   FAISS_THROW_IF_NOT (< a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > );< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   std::vector< idx_t> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (n);< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (n, x, assign.data());< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < span class = "keywordtype" > id< / span > = new_ids[i];< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   FAISS_THROW_IF_NOT_MSG (0 < = < span class = "keywordtype" > id< / span > & & < span class = "keywordtype" > id< / span > < < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   < span class = "stringliteral" > " id to update out of range" < / span > );< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   { < span class = "comment" > // remove old one< / span > < / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   < span class = "keywordtype" > long< / span > dm = direct_map[id];< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   < span class = "keywordtype" > long< / span > ofs = dm & 0xffffffff;< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < span class = "keywordtype" > long< / span > il = dm > > 32;< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   < span class = "keywordtype" > size_t< / span > l = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [il].size();< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   < span class = "keywordflow" > if< / span > (ofs != l - 1) {< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < span class = "keywordtype" > long< / span > id2 = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [il].back();< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [il][ofs] = id2;< / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   direct_map[id2] = (il < < 32) | ofs;< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < span class = "keywordtype" > float< / span > * vecs = (< span class = "keywordtype" > float< / span > *)codes[il].data();< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   memcpy (vecs + ofs * d,< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   vecs + (l - 1) * d,< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   d * < span class = "keyword" > sizeof< / span > (< span class = "keywordtype" > float< / span > ));< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   }< / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [il].pop_back();< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   codes[il].resize((l - 1) * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   }< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   { < span class = "comment" > // insert new one< / span > < / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   < span class = "keywordtype" > long< / span > il = assign[i];< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < span class = "keywordtype" > size_t< / span > l = < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [il].size();< / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   < span class = "keywordtype" > long< / span > dm = (il < < 32) | l;< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   direct_map[id] = dm;< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [il].push_back (< span class = "keywordtype" > id< / span > );< / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   codes[il].resize((l + 1) * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   < span class = "keywordtype" > float< / span > * vecs = (< span class = "keywordtype" > float< / span > *)codes[il].data();< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   memcpy (vecs + l * d,< / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   x + i * d,< / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   d * < span class = "keyword" > sizeof< / span > (< span class = "keywordtype" > float< / span > ));< / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   }< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   }< / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   < / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   }< / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   < / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   < / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html#af7aa8b40cae6d50317049a252df8fb44" > 610< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#af7aa8b40cae6d50317049a252df8fb44" > IndexIVFFlat::reconstruct< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > key, < span class = "keywordtype" > float< / span > * recons)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   FAISS_THROW_IF_NOT_MSG (direct_map.size() == < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < span class = "stringliteral" > " direct map is not initialized" < / span > );< / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   < span class = "keywordtype" > int< / span > list_no = direct_map[key] > > 32;< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   < span class = "keywordtype" > int< / span > ofs = direct_map[key] & 0xffffffff;< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   memcpy (recons, & codes[list_no][ofs * < a class = "code" href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > code_size< / a > ], d * < span class = "keyword" > sizeof< / span > (recons[0]));< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   }< / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   < / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   < / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   } < span class = "comment" > // namespace faiss< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_ae13fe9ff54a870ded3487c5c282ca566" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#ae13fe9ff54a870ded3487c5c282ca566" > faiss::IndexIVF::search_preassigned< / a > < / div > < div class = "ttdeci" > virtual void search_preassigned(idx_t n, const float *x, idx_t k, const idx_t *assign, const float *centroid_dis, float *distances, idx_t *labels, bool store_pairs) const =0< / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00045" > IndexIVF.h:45< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ClusteringParameters_html_a5c7c6f05c75e1668befdb3be148fd5f9" > < div class = "ttname" > < a href = "structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9" > faiss::ClusteringParameters::niter< / a > < / div > < div class = "ttdeci" > int niter< / div > < div class = "ttdoc" > clustering iterations < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00025" > Clustering.h:25< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult_html" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html" > faiss::RangeSearchPartialResult::QueryResult< / a > < / div > < div class = "ttdoc" > result structure for a single query < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00145" > AuxIndexStructures.h:145< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "namespacefaiss_html_a7466bd32de31640860393a701eaac5ad" > < div class = "ttname" > < a href = "namespacefaiss.html#a7466bd32de31640860393a701eaac5ad" > faiss::fvec_L2sqr< / a > < / div > < div class = "ttdeci" > float fvec_L2sqr(const float *x, const float *y, size_t d)< / div > < div class = "ttdoc" > Squared L2 distance between two vectors. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l00481" > utils.cpp:481< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_aeab84d4edf2cf9747c923e1a8395d9f3" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#aeab84d4edf2cf9747c923e1a8395d9f3" > faiss::IndexIVF::imbalance_factor< / a > < / div > < div class = "ttdeci" > double imbalance_factor() const < / div > < div class = "ttdoc" > 1= perfectly balanced, & gt;1: imbalanced < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00192" > IndexIVF.cpp:192< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a849361f5f0ab0aba8d419c86f2594191" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a849361f5f0ab0aba8d419c86f2594191" > faiss::Index::reset< / a > < / div > < div class = "ttdeci" > virtual void reset()=0< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a2fc63f9bbfe64e05106366465ece2187" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a2fc63f9bbfe64e05106366465ece2187" > faiss::IndexIVF::copy_subset_to< / a > < / div > < div class = "ttdeci" > virtual void copy_subset_to(IndexIVF & other, int subset_type, long a1, long a2) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00248" > IndexIVF.cpp:248< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_affed235eadf27a13d753ee4d33a1dc58" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > faiss::IndexIVF::nprobe< / a > < / div > < div class = "ttdeci" > size_t nprobe< / div > < div class = "ttdoc" > number of probes at query time < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00047" > IndexIVF.h:47< / a > < / div > < / div >
2017-07-26 18:11:01 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a1ffe916c958605c38b0b1bfad42485e4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a1ffe916c958605c38b0b1bfad42485e4" > faiss::Index::train< / a > < / div > < div class = "ttdeci" > virtual void train(idx_t, const float *)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00089" > Index.h:89< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_af7aa8b40cae6d50317049a252df8fb44" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#af7aa8b40cae6d50317049a252df8fb44" > faiss::IndexIVFFlat::reconstruct< / a > < / div > < div class = "ttdeci" > void reconstruct(idx_t key, float *recons) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00610" > IndexIVF.cpp:610< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > faiss::Index::assign< / a > < / div > < div class = "ttdeci" > void assign(idx_t n, const float *x, idx_t *labels, idx_t k=1)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8cpp_source.html#l00023" > Index.cpp:23< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1IDSelector_html" > < div class = "ttname" > < a href = "structfaiss_1_1IDSelector.html" > faiss::IDSelector< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00052" > AuxIndexStructures.h:52< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a23ee7f75f8be4472a17778f2b33875de" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a23ee7f75f8be4472a17778f2b33875de" > faiss::IndexIVF::quantizer_trains_alone< / a > < / div > < div class = "ttdeci" > bool quantizer_trains_alone< / div > < div class = "ttdoc" > just pass over the trainset to quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00050" > IndexIVF.h:50< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_ad2b306f160e153b5cfb572cf1d8ece24" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#ad2b306f160e153b5cfb572cf1d8ece24" > faiss::IndexIVFFlat::range_search< / a > < / div > < div class = "ttdeci" > void range_search(idx_t n, const float *x, float radius, RangeSearchResult *result) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00512" > IndexIVF.cpp:512< / a > < / div > < / div >
2017-07-26 18:11:01 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_aa6931dfe054b33b02c842ff75f7a0c7f" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#aa6931dfe054b33b02c842ff75f7a0c7f" > faiss::Index::add_with_ids< / a > < / div > < div class = "ttdeci" > virtual void add_with_ids(idx_t n, const float *x, const long *xids)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8cpp_source.html#l00030" > Index.cpp:30< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a567ef760fd09d09ce2ee4f4e6c2d7280" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a567ef760fd09d09ce2ee4f4e6c2d7280" > faiss::IndexIVF::train_residual< / a > < / div > < div class = "ttdeci" > virtual void train_residual(idx_t n, const float *x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00184" > IndexIVF.cpp:184< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ScopeDeleter_html" > < div class = "ttname" > < a href = "structfaiss_1_1ScopeDeleter.html" > faiss::ScopeDeleter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "FaissException_8h_source.html#l00039" > FaissException.h:39< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_af762526714e6138009c72aee98657538" > < div class = "ttname" > < a href = "namespacefaiss.html#af762526714e6138009c72aee98657538" > faiss::imbalance_factor< / a > < / div > < div class = "ttdeci" > double imbalance_factor(int n, int k, const long *assign)< / div > < div class = "ttdoc" > a balanced assignment has a IF of 1 < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l01593" > utils.cpp:1593< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_af16d325f5bef22b2e5f90ceea796e80d" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > faiss::IndexIVF::ids< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< long > > ids< / div > < div class = "ttdoc" > Inverted lists for indexes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00055" > IndexIVF.h:55< / a > < / div > < / div >
< 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#l00064" > Index.h:64< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a4b40cc7a70dff41196a3b8769586667a" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > faiss::IndexIVF::quantizer< / a > < / div > < div class = "ttdeci" > Index * quantizer< / div > < div class = "ttdoc" > quantizer that maps vectors to inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00049" > IndexIVF.h:49< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a7a1d5eec194db0977b2318c6ed6a2b86" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a7a1d5eec194db0977b2318c6ed6a2b86" > faiss::IndexIVF::train< / a > < / div > < div class = "ttdeci" > void train(idx_t n, const float *x) override< / div > < div class = "ttdoc" > Trains the quantizer and calls train_residual to train sub-quantizers. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00155" > IndexIVF.cpp:155< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a9746bcd42ecec1501f221e918b25e8e7" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7" > faiss::IndexIVF::cp< / a > < / div > < div class = "ttdeci" > ClusteringParameters cp< / div > < div class = "ttdoc" > to override default clustering params < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00053" > IndexIVF.h:53< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a5f7356766632d3ce2838f285aa6b8e76" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a5f7356766632d3ce2838f285aa6b8e76" > faiss::IndexIVFFlat::add_with_ids< / a > < / div > < div class = "ttdeci" > void add_with_ids(idx_t n, const float *x, const long *xids) override< / div > < div class = "ttdoc" > implemented for all IndexIVF* classes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00325" > IndexIVF.cpp:325< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1Clustering_html" > < div class = "ttname" > < a href = "structfaiss_1_1Clustering.html" > faiss::Clustering< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00056" > Clustering.h:56< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_aed2e9757ad5f3c234fd8ad60175a2a73" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73" > faiss::IndexIVF::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > whether object owns the quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00051" > IndexIVF.h:51< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1HeapArray_html" > < div class = "ttname" > < a href = "structfaiss_1_1HeapArray.html" > faiss::HeapArray< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Heap_8h_source.html#l00350" > Heap.h:350< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00062" > Index.h:62< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_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#l00065" > Index.h:65< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a5590d847c5c2b958affd2a05e58a6f23" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > faiss::Index::verbose< / a > < / div > < div class = "ttdeci" > bool verbose< / div > < div class = "ttdoc" > verbosity level < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a47a3b7665e9d2be41c6d3b2e9144b73f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a47a3b7665e9d2be41c6d3b2e9144b73f" > faiss::IndexIVF::reset< / a > < / div > < div class = "ttdeci" > void reset() override< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00110" > IndexIVF.cpp:110< / a > < / div > < / div >
2017-08-10 02:13:51 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_html_a954c26beebb561a6c2b0f399c48a9db3" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult.html#a954c26beebb561a6c2b0f399c48a9db3" > faiss::RangeSearchPartialResult::new_result< / a > < / div > < div class = "ttdeci" > QueryResult & new_result(idx_t qno)< / div > < div class = "ttdoc" > begin a new result < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00117" > AuxIndexStructures.cpp:117< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a2adc0b0002c32ddc01aec4ab96dd659f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a2adc0b0002c32ddc01aec4ab96dd659f" > faiss::IndexIVFFlat::update_vectors< / a > < / div > < div class = "ttdeci" > void update_vectors(int nv, idx_t *idx, const float *v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00562" > IndexIVF.cpp:562< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > faiss::Index::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0< / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_html" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult.html" > faiss::RangeSearchPartialResult< / a > < / div > < div class = "ttdoc" > the entries in the buffers are split per query < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00139" > AuxIndexStructures.h:139< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html" > faiss::RangeSearchResult< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00029" > AuxIndexStructures.h:29< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a1c11ce77f459e2ab3e5d9a4c2263ad89" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a1c11ce77f459e2ab3e5d9a4c2263ad89" > faiss::IndexIVF::make_direct_map< / a > < / div > < div class = "ttdeci" > void make_direct_map(bool new_maintain_direct_map=true)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00069" > IndexIVF.cpp:69< / a > < / div > < / div >
2017-06-21 21:54:28 +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#l00072" > Index.h:72< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a513dfec3a250f08a9fdd18a24178e6bb" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a513dfec3a250f08a9fdd18a24178e6bb" > faiss::IndexIVF::print_stats< / a > < / div > < div class = "ttdeci" > void print_stats() const < / div > < div class = "ttdoc" > display some stats about the inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00201" > IndexIVF.cpp:201< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_ab38fde4c923abefc4185eb7450b5b95b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > faiss::IndexIVF::nlist< / a > < / div > < div class = "ttdeci" > size_t nlist< / div > < div class = "ttdoc" > number of possible key values < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00046" > IndexIVF.h:46< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html" > faiss::Index< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00060" > Index.h:60< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a821002a9d3a1a74dc8d6f6072eca4075" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a821002a9d3a1a74dc8d6f6072eca4075" > faiss::IndexIVF::add< / a > < / div > < div class = "ttdeci" > void add(idx_t n, const float *x) override< / div > < div class = "ttdoc" > Quantizes x and calls add_with_key. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00064" > IndexIVF.cpp:64< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1Clustering_html_a839f210abb11c7a1c7162e336e0ff9cf" > < div class = "ttname" > < a href = "structfaiss_1_1Clustering.html#a839f210abb11c7a1c7162e336e0ff9cf" > faiss::Clustering::train< / a > < / div > < div class = "ttdeci" > virtual void train(idx_t n, const float *x, faiss::Index & index)< / div > < div class = "ttdoc" > Index is used during the assignment stage. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8cpp_source.html#l00066" > Clustering.cpp:66< / a > < / div > < / div >
< 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#l00069" > Index.h:69< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a545c275690fac76be8c1a4685b3c7b8e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a545c275690fac76be8c1a4685b3c7b8e" > faiss::IndexIVF::remove_ids< / a > < / div > < div class = "ttdeci" > long remove_ids(const IDSelector & sel) override< / div > < div class = "ttdoc" > Dataset manipulation functions. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00121" > IndexIVF.cpp:121< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_aedd0c14b5654295b291638ec7f9f9517" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > faiss::IndexIVF::maintain_direct_map< / a > < / div > < div class = "ttdeci" > bool maintain_direct_map< / div > < div class = "ttdoc" > map for direct access to the elements. Enables reconstruct(). < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00061" > IndexIVF.h:61< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ClusteringParameters_html_ad997fb511f574f7ddc69938c21612f8d" > < div class = "ttname" > < a href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > faiss::ClusteringParameters::spherical< / a > < / div > < div class = "ttdeci" > bool spherical< / div > < div class = "ttdoc" > do we want normalized centroids? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00029" > Clustering.h:29< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_ae2fd47b7d52603659e269aa8f6abb613" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#ae2fd47b7d52603659e269aa8f6abb613" > faiss::IndexIVF::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00094" > IndexIVF.cpp:94< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a6abfaf0da529ece0e68909aab4c282fd" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a6abfaf0da529ece0e68909aab4c282fd" > faiss::IndexIVFFlat::search_preassigned< / a > < / div > < div class = "ttdeci" > void search_preassigned(idx_t n, const float *x, idx_t k, const idx_t *assign, const float *centroid_dis, float *distances, idx_t *labels, bool store_pairs) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00493" > IndexIVF.cpp:493< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a0f22cc237c30c935df5b6560aecf8f01" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a0f22cc237c30c935df5b6560aecf8f01" > faiss::IndexIVF::merge_from< / a > < / div > < div class = "ttdeci" > virtual void merge_from(IndexIVF & other, idx_t add_id)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00221" > IndexIVF.cpp:221< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a46d1aeddb60643c5b3f096147c3e028f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f" > faiss::IndexIVF::code_size< / a > < / div > < div class = "ttdeci" > size_t code_size< / div > < div class = "ttdoc" > code size per vector in bytes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00057" > IndexIVF.h:57< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< 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 vetsion and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00043" > Index.h:43< / a > < / div > < / div >
2017-09-08 19:39:41 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_aea729c3d8c70bdd93f8e413e834851a4" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#aea729c3d8c70bdd93f8e413e834851a4" > faiss::IndexIVFFlat::add_core< / a > < / div > < div class = "ttdeci" > virtual void add_core(idx_t n, const float *x, const long *xids, const long *precomputed_idx)< / div > < div class = "ttdoc" > same as add_with_ids, with precomputed coarse quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00330" > IndexIVF.cpp:330< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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