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< title > Faiss: /data/users/hoss/faiss/IndexBinaryIVF.cpp Source File< / title >
2018-12-20 00:48:35 +08:00
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< div class = "title" > /data/users/hoss/faiss/IndexBinaryIVF.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 >
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< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) Facebook, Inc. and its affiliates.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > * This source code is licensed under the MIT license found in the< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // Copyright 2004-present Facebook. All Rights Reserved< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // -*- c++ -*-< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " IndexBinaryIVF.h" < / 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 < cstdio> < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " hamming.h" < / 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 >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " AuxIndexStructures.h" < / 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 >   < / div >
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< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
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< 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" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a569058430e4b1b81204df1c2cbd3084a" > 26< / a > < / span >   IndexBinaryIVF::IndexBinaryIVF(< a class = "code" href = "structfaiss_1_1IndexBinary.html" > IndexBinary< / a > *quantizer, < span class = "keywordtype" > size_t< / span > d, < span class = "keywordtype" > size_t< / span > nlist)< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   : < a class = "code" href = "structfaiss_1_1IndexBinary.html" > IndexBinary< / a > (d),< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   invlists(new < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > (nlist, code_size)),< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   own_invlists(true),< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   nprobe(1),< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   max_codes(0),< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   maintain_direct_map(false),< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   quantizer(quantizer),< / 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 >   own_fields(false),< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   clustering_index(nullptr)< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   FAISS_THROW_IF_NOT (d == quantizer-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > );< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = quantizer-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > & & (quantizer-> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > == < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a0c3d371cf3985da70b6dacac74f03491" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9" > niter< / a > = 10;< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   }< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   IndexBinaryIVF::IndexBinaryIVF()< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   : invlists(nullptr),< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   own_invlists(false),< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   nprobe(1),< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   max_codes(0),< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   maintain_direct_map(false),< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   quantizer(nullptr),< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   nlist(0),< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   own_fields(false),< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   clustering_index(nullptr)< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   {}< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#aaa0eb1eca49892304ceaa11bd3a5ffa1" > 56< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#aaa0eb1eca49892304ceaa11bd3a5ffa1" > IndexBinaryIVF::add< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x) {< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a8f5fc7b1cc59623154f7922459d8c7bb" > add_with_ids< / a > (n, x, < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   }< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a8f5fc7b1cc59623154f7922459d8c7bb" > 60< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a8f5fc7b1cc59623154f7922459d8c7bb" > IndexBinaryIVF::add_with_ids< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *xids) {< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a6f74afc490b61ba896ecfad037c9a429" > add_core< / a > (n, x, xids, < span class = "keyword" > nullptr< / span > );< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   }< / div >
< 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_1IndexBinaryIVF.html#a6f74afc490b61ba896ecfad037c9a429" > 64< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a6f74afc490b61ba896ecfad037c9a429" > IndexBinaryIVF::add_core< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *xids,< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *precomputed_idx) {< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   FAISS_THROW_IF_NOT(< a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > );< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   assert(< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > );< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   FAISS_THROW_IF_NOT_MSG(!(< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > & & xids),< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "stringliteral" > " cannot have direct map and add with ids" < / span > );< / 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 = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * idx;< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   std::unique_ptr< long[]> scoped_idx;< / 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 > (precomputed_idx) {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   idx = precomputed_idx;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   scoped_idx.reset(< span class = "keyword" > new< / span > < span class = "keywordtype" > long< / span > [n]);< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a27c32414471c57138b248583fc0c5f8c" > assign< / a > (n, x, scoped_idx.get());< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   idx = scoped_idx.get();< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   }< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordtype" > long< / span > n_add = 0;< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = xids ? xids[i] : < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > + i;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordtype" > long< / span > list_no = idx[i];< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > if< / span > (list_no < 0)< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keyword" > const< / span > uint8_t *xi = x + i * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > ;< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keywordtype" > size_t< / span > offset = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#acd3e36cc06fc49e02773e403a84dba95" > add_entry< / a > (list_no, < span class = "keywordtype" > id< / span > , xi);< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > )< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   direct_map.push_back(list_no < < 32 | offset);< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   n_add++;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a1656c00d77d55999becd71e3d8ea6dd7" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   printf(< span class = "stringliteral" > " IndexBinaryIVF::add_with_ids: added %ld / %ld vectors\n" < / span > ,< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   n_add, n);< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   }< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > += n_add;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   }< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a280d0a3958664c3eb4164fcb62496b00" > 104< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a280d0a3958664c3eb4164fcb62496b00" > IndexBinaryIVF::make_direct_map< / a > (< span class = "keywordtype" > bool< / span > new_maintain_direct_map) {< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > // nothing to do< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keywordflow" > if< / span > (new_maintain_direct_map == < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > )< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > if< / span > (new_maintain_direct_map) {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   direct_map.resize(< a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > , -1);< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > key = 0; key < < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > ; key++) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordtype" > size_t< / span > list_size = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > list_size< / a > (key);< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *idlist = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a3ab6b389d8d85c5fbf23889064df7e95" > get_ids< / a > (key);< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > ofs = 0; ofs < list_size; ofs++) {< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   FAISS_THROW_IF_NOT_MSG(0 < = idlist[ofs] & & idlist[ofs] < < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "stringliteral" > " direct map supported only for seuquential ids" < / span > );< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   direct_map[idlist[ofs]] = key < < 32 | ofs;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   }< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   }< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   direct_map.clear();< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   }< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > = new_maintain_direct_map;< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   }< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#aeaf24ee802fe8f43879c735c363b6fd5" > 127< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#aeaf24ee802fe8f43879c735c363b6fd5" > IndexBinaryIVF::search< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   int32_t *distances, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *labels)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   std::unique_ptr< idx_t[]> idx(< span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > [n * < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae9890e0946f3aba99ccad6b637df0c8b" > nprobe< / a > ]);< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   std::unique_ptr< int32_t[]> coarse_dis(< span class = "keyword" > new< / span > int32_t[n * nprobe]);< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keywordtype" > double< / span > t0 = < a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > ();< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a48cdd06037d1fb8ce827e7522ba05fb8" > search< / a > (n, x, nprobe, coarse_dis.get(), idx.get());< / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   indexIVF_stats.quantization_time += < a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > () - t0;< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   t0 = < a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > ();< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ac537aa14d2731c0ff907169211389b76" > prefetch_lists< / a > (idx.get(), n * < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae9890e0946f3aba99ccad6b637df0c8b" > nprobe< / a > );< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a4f33ec7083279f26c0966c5445ec702d" > search_preassigned< / a > (n, x, k, idx.get(), coarse_dis.get(),< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   distances, labels, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   indexIVF_stats.search_time += < a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > () - t0;< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   }< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#ad233d3fcf4e001849301c0fbeb675f81" > 144< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ad233d3fcf4e001849301c0fbeb675f81" > IndexBinaryIVF::reconstruct< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > key, uint8_t *recons)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   FAISS_THROW_IF_NOT_MSG(direct_map.size() == < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ,< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "stringliteral" > " direct map is not initialized" < / span > );< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "keywordtype" > long< / span > list_no = direct_map[key] > > 32;< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordtype" > long< / span > offset = direct_map[key] & 0xffffffff;< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9e0d01c30760152fbac8f08bb5825de4" > reconstruct_from_offset< / a > (list_no, offset, recons);< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a4a8cd9437b9adc21696aefe1fa440a22" > 152< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a4a8cd9437b9adc21696aefe1fa440a22" > IndexBinaryIVF::reconstruct_n< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > i0, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > ni, uint8_t *recons)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   FAISS_THROW_IF_NOT(ni == 0 || (i0 > = 0 & & i0 + ni < = < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ));< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > list_no = 0; list_no < < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > ; list_no++) {< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordtype" > size_t< / span > list_size = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > list_size< / a > (list_no);< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > *idlist = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a3ab6b389d8d85c5fbf23889064df7e95" > get_ids< / a > (list_no);< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > offset = 0; offset < list_size; offset++) {< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = idlist[offset];< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keywordflow" > if< / span > (!(< span class = "keywordtype" > id< / span > > = i0 & & < span class = "keywordtype" > id< / span > < i0 + ni)) {< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   }< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   uint8_t *reconstructed = recons + (< span class = "keywordtype" > id< / span > - i0) * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ;< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9e0d01c30760152fbac8f08bb5825de4" > reconstruct_from_offset< / a > (list_no, offset, reconstructed);< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   }< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   }< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   }< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a75260a5d45fb24a9a3c3462786f1de4d" > 171< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a75260a5d45fb24a9a3c3462786f1de4d" > IndexBinaryIVF::search_and_reconstruct< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   int32_t *distances, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *labels,< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   uint8_t *recons)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   std::unique_ptr< idx_t[]> idx(< span class = "keyword" > new< / span > < span class = "keywordtype" > long< / span > [n * < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae9890e0946f3aba99ccad6b637df0c8b" > nprobe< / a > ]);< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   std::unique_ptr< int32_t[]> coarse_dis(< span class = "keyword" > new< / span > int32_t[n * nprobe]);< / 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 >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a48cdd06037d1fb8ce827e7522ba05fb8" > search< / a > (n, x, nprobe, coarse_dis.get(), idx.get());< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ac537aa14d2731c0ff907169211389b76" > prefetch_lists< / a > (idx.get(), n * < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae9890e0946f3aba99ccad6b637df0c8b" > nprobe< / a > );< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > // search_preassigned() with `store_pairs` enabled to obtain the list_no< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "comment" > // and offset into `codes` for reconstruction< / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a4f33ec7083279f26c0966c5445ec702d" > search_preassigned< / a > (n, x, k, idx.get(), coarse_dis.get(),< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   distances, labels, < span class = "comment" > /* store_pairs */< / span > < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > i = 0; i < n; ++i) {< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > j = 0; j < k; ++j) {< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > ij = i * k + j;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > key = labels[ij];< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   uint8_t *reconstructed = recons + ij * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ;< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "keywordflow" > if< / span > (key < 0) {< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "comment" > // Fill with NaNs< / span > < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   memset(reconstructed, -1, < span class = "keyword" > sizeof< / span > (*reconstructed) * d);< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordtype" > int< / span > list_no = key > > 32;< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keywordtype" > int< / span > offset = key & 0xffffffff;< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "comment" > // Update label to the actual id< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   labels[ij] = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a21b52cdb0601cd225bd7924932310876" > get_single_id< / a > (list_no, offset);< / 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 >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9e0d01c30760152fbac8f08bb5825de4" > reconstruct_from_offset< / a > (list_no, offset, reconstructed);< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   }< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   }< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   }< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   }< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a9e0d01c30760152fbac8f08bb5825de4" > 206< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9e0d01c30760152fbac8f08bb5825de4" > IndexBinaryIVF::reconstruct_from_offset< / a > (< span class = "keywordtype" > long< / span > list_no, < span class = "keywordtype" > long< / span > offset,< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   uint8_t *recons)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   memcpy(recons, < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#afc2760bed7c210f2fad9b03109f561ee" > get_single_code< / a > (list_no, offset), < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > );< / 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" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a9dfe26312102f0010940fd2fbdf87d85" > 211< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9dfe26312102f0010940fd2fbdf87d85" > IndexBinaryIVF::reset< / a > () {< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   direct_map.clear();< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> reset();< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   }< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a06d0e73e7ece9689000f936e7f1e2960" > 217< / a > < / span >   < span class = "keywordtype" > long< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a06d0e73e7ece9689000f936e7f1e2960" > IndexBinaryIVF::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 = "l00218" > < / a > < span class = "lineno" > 218< / span >   FAISS_THROW_IF_NOT_MSG(!< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > ,< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "stringliteral" > " direct map remove not implemented" < / 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" > 221< / span >   std::vector< long> toremove(< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > );< / 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 = "preprocessor" > #pragma omp parallel for< / span > < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordtype" > long< / span > l0 = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > list_size< / a > (i), l = l0, j = 0;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *idsi = < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a3ab6b389d8d85c5fbf23889064df7e95" > get_ids< / a > (i);< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > while< / span > (j < l) {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "keywordflow" > if< / span > (sel.is_member(idsi[j])) {< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   l--;< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> update_entry(< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   i, j,< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a21b52cdb0601cd225bd7924932310876" > get_single_id< / a > (i, l),< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#afc2760bed7c210f2fad9b03109f561ee" > get_single_code< / a > (i, l));< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   j++;< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   }< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   }< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   toremove[i] = l0 - l;< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   }< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "comment" > // this will not run well in parallel on ondisk because of possible shrinks< / span > < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordtype" > long< / span > nremove = 0;< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keywordflow" > if< / span > (toremove[i] > 0) {< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   nremove += toremove[i];< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> resize(< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   i, < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > list_size< / a > (i) - toremove[i]);< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   }< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   }< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > -= nremove;< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keywordflow" > return< / span > nremove;< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   }< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a4b4b1ba42e6af7c30ccbaf0fc0f38034" > 253< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a4b4b1ba42e6af7c30ccbaf0fc0f38034" > IndexBinaryIVF::train< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x) {< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a1656c00d77d55999becd71e3d8ea6dd7" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   printf(< span class = "stringliteral" > " Training quantizer\n" < / span > );< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   }< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > & & (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > == < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > )) {< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a1656c00d77d55999becd71e3d8ea6dd7" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   printf(< span class = "stringliteral" > " IVF quantizer does not need training.\n" < / span > );< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   }< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a1656c00d77d55999becd71e3d8ea6dd7" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   printf(< span class = "stringliteral" > " Training quantizer on %ld vectors in %dD\n" < / span > , n, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > );< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   }< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < a class = "code" href = "structfaiss_1_1Clustering.html" > Clustering< / a > clus(< a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > , < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > , < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a0c3d371cf3985da70b6dacac74f03491" > cp< / a > );< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a11bff8bcaa366c563076a3d18f3ae30c" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   std::unique_ptr< float[]> x_f(< span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [n * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ]);< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < a class = "code" href = "namespacefaiss.html#ac8260e10cfeed08a4344b85845773e16" > binary_to_real< / a > (n * d, x, x_f.get());< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > IndexFlatL2< / a > index_tmp(d);< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae4b4048070a6fc5aa3226a2edf42db5e" > clustering_index< / a > & & < a class = "code" href = "structfaiss_1_1IndexBinary.html#a1656c00d77d55999becd71e3d8ea6dd7" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   printf(< span class = "stringliteral" > " using clustering_index of dimension %d to do the clustering\n" < / span > ,< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae4b4048070a6fc5aa3226a2edf42db5e" > clustering_index< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   }< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   clus.< a class = "code" href = "structfaiss_1_1Clustering.html#a839f210abb11c7a1c7162e336e0ff9cf" > train< / a > (n, x_f.get(), < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae4b4048070a6fc5aa3226a2edf42db5e" > clustering_index< / a > ? *< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#ae4b4048070a6fc5aa3226a2edf42db5e" > clustering_index< / a > : index_tmp);< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   std::unique_ptr< uint8_t[]> x_b(< span class = "keyword" > new< / span > uint8_t[clus.< a class = "code" href = "structfaiss_1_1Clustering.html#a87581785d9516c683bbc7c9392bfa993" > k< / a > * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > ]);< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < a class = "code" href = "namespacefaiss.html#ab491c9e2f77a750c9f0324bfe00e3e57" > real_to_binary< / a > (d * clus.< a class = "code" href = "structfaiss_1_1Clustering.html#a87581785d9516c683bbc7c9392bfa993" > k< / a > , clus.< a class = "code" href = "structfaiss_1_1Clustering.html#a64c5ec0b4a7967d8be2872974b455ff1" > centroids< / a > .data(), x_b.get());< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#af04b1093cdebfea189e0e04da68794d7" > add< / a > (clus.< a class = "code" href = "structfaiss_1_1Clustering.html#a87581785d9516c683bbc7c9392bfa993" > k< / a > , x_b.get());< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   }< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   }< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a5296e62b0524f13ff66c61fb7db499a2" > 292< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5296e62b0524f13ff66c61fb7db499a2" > IndexBinaryIVF::merge_from< / a > (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html" > IndexBinaryIVF< / a > & other, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > add_id) {< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "comment" > // minimal sanity checks< / span > < / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   FAISS_THROW_IF_NOT(other.< a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > == < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > );< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   FAISS_THROW_IF_NOT(other.< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > == < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > );< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   FAISS_THROW_IF_NOT(other.< a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > == < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   FAISS_THROW_IF_NOT_MSG((!< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > & & < / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   !other.< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > maintain_direct_map< / a > ),< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "stringliteral" > " direct map copy not implemented" < / span > );< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / 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 = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "stringliteral" > " can only merge indexes of the same type" < / span > );< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < / div >
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< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ac2a0686121ef5bdd6eb70f7eb3cf9b3a" > merge_from< / a > (other.< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > , add_id);< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > += other.< a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   other.< a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = 0;< / 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 = "keywordtype" > void< / span > IndexBinaryIVF::replace_invlists(< a class = "code" href = "structfaiss_1_1InvertedLists.html" > InvertedLists< / a > *il, < span class = "keywordtype" > bool< / span > own) {< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   FAISS_THROW_IF_NOT(il-> < a class = "code" href = "structfaiss_1_1InvertedLists.html#afaf8b7aa3e846aa4553f6aae67827ec8" > nlist< / a > == < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > nlist< / a > & & < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   il-> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ae06049e4259edb47d443ef87bdedc744" > code_size< / a > == < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keywordflow" > if< / span > (own_invlists) {< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > ;< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   }< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > = il;< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   own_invlists = own;< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   }< / 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 >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "keyword" > namespace < / span > {< / div >
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< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < / div >
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< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keyword" > using< / span > idx_t = < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > ;< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < / div >
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< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > HammingComputer, < span class = "keywordtype" > bool< / span > store_pairs> < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keyword" > struct < / span > IVFBinaryScannerL2: BinaryInvertedListScanner {< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   HammingComputer hc;< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keywordtype" > size_t< / span > code_size;< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   IVFBinaryScannerL2 (< span class = "keywordtype" > size_t< / span > code_size): code_size (code_size)< / 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 >   < span class = "keywordtype" > void< / span > set_query (< span class = "keyword" > const< / span > uint8_t *query_vector)< span class = "keyword" > override < / span > {< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   hc.set (query_vector, code_size);< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   }< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   idx_t list_no;< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "keywordtype" > void< / span > set_list (idx_t list_no, uint8_t < span class = "comment" > /* coarse_dis */< / span > )< span class = "keyword" > override < / span > {< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   this-> list_no = list_no;< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   }< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   uint32_t distance_to_code (< span class = "keyword" > const< / span > uint8_t *code)< span class = "keyword" > const override < / span > {< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "keywordflow" > return< / span > hc.hamming (code);< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   }< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < span class = "keywordtype" > size_t< / span > scan_codes (< span class = "keywordtype" > size_t< / span > n,< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keyword" > const< / span > uint8_t *codes,< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keyword" > const< / span > idx_t *ids,< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   int32_t *simi, idx_t *idxi,< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < span class = "keywordtype" > size_t< / span > k)< span class = "keyword" > const override< / span > < / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "keyword" > using< / span > C = CMax< int32_t, idx_t> ;< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < span class = "keywordtype" > size_t< / span > nup = 0;< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < n; j++) {< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   uint32_t dis = hc.hamming (codes);< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < span class = "keywordflow" > if< / span > (dis < simi[0]) {< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   heap_pop< C> (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = store_pairs ? (list_no < < 32 | j) : ids[j];< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   heap_push< C> (k, simi, idxi, dis, id);< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   nup++;< / 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 >   codes += code_size;< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   }< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "keywordflow" > return< / span > nup;< / div >
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< 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 >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   };< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < / div >
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< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < / div >
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< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keyword" > template< / span > < < span class = "keywordtype" > bool< / span > store_pairs> < / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   BinaryInvertedListScanner *select_IVFBinaryScannerL2 (< span class = "keywordtype" > size_t< / span > code_size) {< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < span class = "keywordflow" > switch< / span > (code_size) {< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "preprocessor" > #define HANDLE_CS(cs) \< / span > < / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "preprocessor" > case cs: \< / span > < / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "preprocessor" > return new IVFBinaryScannerL2< HammingComputer ## cs, store_pairs> (cs);< / span > < / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < span class = "preprocessor" > < / span > HANDLE_CS(4);< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   HANDLE_CS(8);< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   HANDLE_CS(16);< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   HANDLE_CS(20);< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   HANDLE_CS(32);< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   HANDLE_CS(64);< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < span class = "preprocessor" > #undef HANDLE_CS< / span > < / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "keywordflow" > if< / span > (code_size % 8 == 0) {< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > new< / span > IVFBinaryScannerL2< HammingComputerM8,< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   store_pairs> (code_size);< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (code_size % 4 == 0) {< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > new< / span > IVFBinaryScannerL2< HammingComputerM4,< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   store_pairs> (code_size);< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > new< / span > IVFBinaryScannerL2< HammingComputerDefault,< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   store_pairs> (code_size);< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   }< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   }< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   }< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < / div >
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< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "keywordtype" > void< / span > search_knn_hamming_heap(< span class = "keyword" > const< / span > IndexBinaryIVF& ivf,< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordtype" > size_t< / span > n,< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < span class = "keyword" > const< / span > uint8_t *x,< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   idx_t k,< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "keyword" > const< / span > idx_t *keys,< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < span class = "keyword" > const< / span > int32_t * coarse_dis,< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   int32_t *distances, idx_t *labels,< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < span class = "keywordtype" > bool< / span > store_pairs,< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   < span class = "keyword" > const< / span > IVFSearchParameters *params)< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   {< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   < span class = "keywordtype" > long< / span > nprobe = params ? params-> nprobe : ivf.nprobe;< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < span class = "keywordtype" > long< / span > max_codes = params ? params-> max_codes : ivf.max_codes;< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric_type = ivf.metric_type;< / 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 >   < span class = "comment" > // almost verbatim copy from IndexIVF::search_preassigned< / span > < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "keywordtype" > size_t< / span > nlistv = 0, ndis = 0, nheap = 0;< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "keyword" > using< / span > HeapForIP = CMin< int32_t, idx_t> ;< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keyword" > using< / span > HeapForL2 = CMax< int32_t, idx_t> ;< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "preprocessor" > #pragma omp parallel if(n > 1) reduction(+: nlistv, ndis, nheap)< / span > < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "preprocessor" > < / span > {< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   std::unique_ptr< BinaryInvertedListScanner> scanner< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   (ivf.get_InvertedListScanner (store_pairs));< / div >
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< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < span class = "preprocessor" > #pragma omp for< / span > < / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "keyword" > const< / span > uint8_t *xi = x + i * ivf.code_size;< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   scanner-> set_query(xi);< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keysi = keys + i * nprobe;< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   int32_t * simi = distances + k * i;< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "keywordtype" > long< / span > * idxi = labels + k * i;< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   < span class = "keywordflow" > if< / span > (metric_type == METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   heap_heapify< HeapForIP> (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   heap_heapify< HeapForL2> (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   }< / div >
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< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordtype" > size_t< / span > nscan = 0;< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > ik = 0; ik < nprobe; ik++) {< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < span class = "keywordtype" > long< / span > key = keysi[ik]; < span class = "comment" > /* select the list */< / span > < / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "keywordflow" > if< / span > (key < 0) {< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < span class = "comment" > // not enough centroids for multiprobe< / span > < / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   }< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   FAISS_THROW_IF_NOT_FMT< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   (key < (< span class = "keywordtype" > long< / span > ) ivf.nlist,< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < span class = "stringliteral" > " Invalid key=%ld at ik=%ld nlist=%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   key, ik, ivf.nlist);< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   scanner-> set_list (key, coarse_dis[i * nprobe + ik]);< / 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 >   nlistv++;< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < span class = "keywordtype" > size_t< / span > list_size = ivf.invlists-> list_size(key);< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   InvertedLists::ScopedCodes scodes (ivf.invlists, key);< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   std::unique_ptr< InvertedLists::ScopedIds> sids;< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > * ids = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "keywordflow" > if< / span > (!store_pairs) {< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   sids.reset (< span class = "keyword" > new< / span > InvertedLists::ScopedIds (ivf.invlists, key));< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   ids = sids-> get();< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   }< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   nheap += scanner-> scan_codes (list_size, scodes.get(),< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   ids, simi, idxi, k);< / 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 >   nscan += list_size;< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "keywordflow" > if< / span > (max_codes & & nscan > = max_codes)< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   }< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   < / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   ndis += nscan;< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   < span class = "keywordflow" > if< / span > (metric_type == METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   heap_reorder< HeapForIP> (k, simi, idxi);< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   heap_reorder< HeapForL2> (k, simi, idxi);< / 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 >   < / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   } < span class = "comment" > // parallel for< / span > < / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   } < span class = "comment" > // parallel< / span > < / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   < / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   indexIVF_stats.nq += n;< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   indexIVF_stats.nlist += nlistv;< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   indexIVF_stats.ndis += ndis;< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   indexIVF_stats.nheap_updates += nheap;< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / 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" > 493< / span >   < / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > HammingComputer, < span class = "keywordtype" > bool< / span > store_pairs> < / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < span class = "keywordtype" > void< / span > search_knn_hamming_count(< span class = "keyword" > const< / span > IndexBinaryIVF& ivf,< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordtype" > size_t< / span > nx,< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   < span class = "keyword" > const< / span > uint8_t *x,< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *keys,< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   int32_t *distances,< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < span class = "keywordtype" > long< / span > *labels,< / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < span class = "keyword" > const< / span > IVFSearchParameters *params) {< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > nBuckets = ivf.d + 1;< / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   std::vector< int> all_counters(nx * nBuckets, 0);< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   std::unique_ptr< long[]> all_ids_per_dis(< span class = "keyword" > new< / span > < span class = "keywordtype" > long< / span > [nx * nBuckets * k]);< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   < / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < span class = "keywordtype" > long< / span > nprobe = params ? params-> nprobe : ivf.nprobe;< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   < span class = "keywordtype" > long< / span > max_codes = params ? params-> max_codes : ivf.max_codes;< / 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 >   std::vector< HCounterState< HammingComputer> > cs;< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < nx; ++i) {< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   cs.push_back(HCounterState< HammingComputer> (< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   all_counters.data() + i * nBuckets,< / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   all_ids_per_dis.get() + i * nBuckets * k,< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   x + i * ivf.code_size,< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   ivf.d,< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   k< / 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 >   }< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   < span class = "keywordtype" > size_t< / span > nlistv = 0, ndis = 0;< / 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 = "preprocessor" > #pragma omp parallel for reduction(+: nlistv, ndis)< / span > < / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / 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 = "l00525" > < / a > < span class = "lineno" > 525< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * keysi = keys + i * nprobe;< / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   HCounterState< HammingComputer> & csi = cs[i];< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   < / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   < span class = "keywordtype" > size_t< / span > nscan = 0;< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < / div >
< 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 < nprobe; 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) {< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   < span class = "comment" > // not enough centroids for multiprobe< / span > < / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   }< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   FAISS_THROW_IF_NOT_FMT (< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   key < (< span class = "keywordtype" > long< / span > ) ivf.nlist,< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   < span class = "stringliteral" > " Invalid key=%ld at ik=%ld nlist=%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   key, ik, ivf.nlist);< / 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 >   nlistv++;< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   < span class = "keywordtype" > size_t< / span > list_size = ivf.invlists-> list_size(key);< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   InvertedLists::ScopedCodes scodes (ivf.invlists, key);< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < span class = "keyword" > const< / span > uint8_t *list_vecs = scodes.get();< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > Index::idx_t< / a > *ids = store_pairs< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   ? < span class = "keyword" > nullptr< / span > < / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   : ivf.invlists-> get_ids(key);< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   < / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < list_size; j++) {< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "keyword" > const< / span > uint8_t * yj = list_vecs + ivf.code_size * j;< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   < / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = store_pairs ? (key < < 32 | j) : ids[j];< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   csi.update_counter(yj, < span class = "keywordtype" > id< / 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 >   < span class = "keywordflow" > if< / span > (ids)< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   ivf.invlists-> release_ids (key, ids);< / 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 >   nscan += list_size;< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   < span class = "keywordflow" > if< / span > (max_codes & & nscan > = max_codes)< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   < span class = "keywordflow" > break< / 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" > 562< / span >   ndis += nscan;< / 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 >   < span class = "keywordtype" > int< / span > nres = 0;< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > b = 0; b < nBuckets & & nres < k; b++) {< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > l = 0; l < csi.counters[b] & & nres < k; l++) {< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   labels[i * k + nres] = csi.ids_per_dis[b * k + l];< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   distances[i * k + nres] = b;< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   nres++;< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   }< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   }< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   < span class = "keywordflow" > while< / span > (nres < k) {< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   labels[i * k + nres] = -1;< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   distances[i * k + nres] = std::numeric_limits< int32_t> ::max();< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   ++nres;< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   }< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   }< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   < / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   indexIVF_stats.nq += nx;< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   indexIVF_stats.nlist += nlistv;< / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   indexIVF_stats.ndis += ndis;< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   }< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   < / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   < / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   < / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < span class = "keyword" > template< / span > < < span class = "keywordtype" > bool< / span > store_pairs> < / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "keywordtype" > void< / span > search_knn_hamming_count_1 (< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < span class = "keyword" > const< / span > IndexBinaryIVF& ivf,< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   < span class = "keywordtype" > size_t< / span > nx,< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   < span class = "keyword" > const< / span > uint8_t *x,< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *keys,< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   int32_t *distances,< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   < span class = "keywordtype" > long< / span > *labels,< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < span class = "keyword" > const< / span > IVFSearchParameters *params) {< / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   < span class = "keywordflow" > switch< / span > (ivf.code_size) {< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   < span class = "preprocessor" > #define HANDLE_CS(cs) \< / span > < / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < span class = "preprocessor" > case cs: \< / span > < / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   < span class = "preprocessor" > search_knn_hamming_count< HammingComputer ## cs, store_pairs> ( \< / span > < / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   < span class = "preprocessor" > ivf, nx, x, keys, k, distances, labels, params); \< / span > < / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   < span class = "preprocessor" > break;< / span > < / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   < span class = "preprocessor" > < / span > HANDLE_CS(4);< / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   HANDLE_CS(8);< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   HANDLE_CS(16);< / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   HANDLE_CS(20);< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   HANDLE_CS(32);< / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   HANDLE_CS(64);< / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   < span class = "preprocessor" > #undef HANDLE_CS< / span > < / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   < span class = "keywordflow" > if< / span > (ivf.code_size % 8 == 0) {< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   search_knn_hamming_count< HammingComputerM8, store_pairs> < / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   (ivf, nx, x, keys, k, distances, labels, params);< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ivf.code_size % 4 == 0) {< / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   search_knn_hamming_count< HammingComputerM4, store_pairs> < / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   (ivf, nx, x, keys, k, distances, labels, params);< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   search_knn_hamming_count< HammingComputerDefault, store_pairs> < / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   (ivf, nx, x, keys, k, distances, labels, params);< / 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 >   < span class = "keywordflow" > break< / 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 >   < / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   }< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   < / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   < / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   BinaryInvertedListScanner *IndexBinaryIVF::get_InvertedListScanner< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   (< span class = "keywordtype" > bool< / span > store_pairs)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   < span class = "keywordflow" > if< / span > (store_pairs) {< / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < span class = "keywordflow" > return< / span > select_IVFBinaryScannerL2< true> (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   < span class = "keywordflow" > return< / span > select_IVFBinaryScannerL2< false> (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   }< / div >
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   }< / div >
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   < / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryIVF.html#a4f33ec7083279f26c0966c5445ec702d" > 637< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a4f33ec7083279f26c0966c5445ec702d" > IndexBinaryIVF::search_preassigned< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *idx,< / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   < span class = "keyword" > const< / span > int32_t * coarse_dis,< / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > 640< / span >   int32_t *distances, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *labels,< / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   < span class = "keywordtype" > bool< / span > store_pairs,< / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IVFSearchParameters.html" > IVFSearchParameters< / a > *params< / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   )< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   < / div >
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#abcab702ebe1814ff432401bfd39df492" > use_heap< / a > ) {< / div >
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   search_knn_hamming_heap (*< span class = "keyword" > this< / span > , n, x, k, idx, coarse_dis,< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   distances, labels, store_pairs,< / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   params);< / div >
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > 650< / span >   < span class = "keywordflow" > if< / span > (store_pairs) {< / div >
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   search_knn_hamming_count_1< true> < / div >
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   (*< span class = "keyword" > this< / span > , n, x, idx, k, distances, labels, params);< / div >
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > 653< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   search_knn_hamming_count_1< false> < / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   (*< span class = "keyword" > this< / span > , n, x, idx, k, distances, labels, params);< / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   }< / div >
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   }< / div >
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   }< / div >
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   < / div >
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   IndexBinaryIVF::~IndexBinaryIVF() {< / div >
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   < span class = "keywordflow" > if< / span > (own_invlists) {< / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > invlists< / a > ;< / div >
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   }< / div >
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   < / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a2c7bc3be67d829d49ac1ab2afc4f6b0c" > own_fields< / a > ) {< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > quantizer< / a > ;< / div >
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   }< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   }< / div >
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< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   < / div >
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   } < span class = "comment" > // namespace faiss< / span > < / div >
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< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a48cdd06037d1fb8ce827e7522ba05fb8" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a48cdd06037d1fb8ce827e7522ba05fb8" > faiss::IndexBinary::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const uint8_t *x, idx_t k, int32_t *distances, idx_t *labels) const =0< / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_ae9890e0946f3aba99ccad6b637df0c8b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#ae9890e0946f3aba99ccad6b637df0c8b" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8h_source.html#l00040" > IndexBinaryIVF.h:40< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a6f74afc490b61ba896ecfad037c9a429" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a6f74afc490b61ba896ecfad037c9a429" > faiss::IndexBinaryIVF::add_core< / a > < / div > < div class = "ttdeci" > void add_core(idx_t n, const uint8_t *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 = "IndexBinaryIVF_8cpp_source.html#l00064" > IndexBinaryIVF.cpp:64< / 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#l00023" > Clustering.h:23< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ArrayInvertedLists_html" > < div class = "ttname" > < a href = "structfaiss_1_1ArrayInvertedLists.html" > faiss::ArrayInvertedLists< / a > < / div > < div class = "ttdoc" > simple (default) implementation as an array of inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00182" > InvertedLists.h:182< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a9e0d01c30760152fbac8f08bb5825de4" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a9e0d01c30760152fbac8f08bb5825de4" > faiss::IndexBinaryIVF::reconstruct_from_offset< / a > < / div > < div class = "ttdeci" > virtual void reconstruct_from_offset(long list_no, long offset, uint8_t *recons) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00206" > IndexBinaryIVF.cpp:206< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_a3ab6b389d8d85c5fbf23889064df7e95" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#a3ab6b389d8d85c5fbf23889064df7e95" > faiss::InvertedLists::get_ids< / a > < / div > < div class = "ttdeci" > virtual const idx_t * get_ids(size_t list_no) const =0< / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a11bff8bcaa366c563076a3d18f3ae30c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a11bff8bcaa366c563076a3d18f3ae30c" > faiss::IndexBinary::reset< / a > < / div > < div class = "ttdeci" > virtual void reset()=0< / div > < div class = "ttdoc" > Removes all elements from the database. < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html" > faiss::IndexBinaryIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8h_source.html#l00035" > IndexBinaryIVF.h:35< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a1ae109b12efeb9b3349c1de2c6d480e5" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a1ae109b12efeb9b3349c1de2c6d480e5" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8h_source.html#l00049" > IndexBinaryIVF.h:49< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a0c3d371cf3985da70b6dacac74f03491" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a0c3d371cf3985da70b6dacac74f03491" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8h_source.html#l00057" > IndexBinaryIVF.h:57< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a4f33ec7083279f26c0966c5445ec702d" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a4f33ec7083279f26c0966c5445ec702d" > faiss::IndexBinaryIVF::search_preassigned< / a > < / div > < div class = "ttdeci" > void search_preassigned(idx_t n, const uint8_t *x, idx_t k, const idx_t *assign, const int32_t *centroid_dis, int32_t *distances, idx_t *labels, bool store_pairs, const IVFSearchParameters *params=nullptr) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00637" > IndexBinaryIVF.cpp:637< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a9eb4370bcc95994822c3a81c290fa919" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a9eb4370bcc95994822c3a81c290fa919" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8h_source.html#l00053" > IndexBinaryIVF.h:53< / a > < / div > < / div >
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< 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#l00054" > AuxIndexStructures.h:54< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexFlatL2_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00077" > IndexFlat.h:77< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_a9bd256053ee360473842105460fe285f" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > faiss::InvertedLists::list_size< / a > < / div > < div class = "ttdeci" > virtual size_t list_size(size_t list_no) const =0< / div > < div class = "ttdoc" > get the size of a list < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a1656c00d77d55999becd71e3d8ea6dd7" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a1656c00d77d55999becd71e3d8ea6dd7" > faiss::IndexBinary::verbose< / a > < / div > < div class = "ttdeci" > bool verbose< / div > < div class = "ttdoc" > verbosity level < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00044" > IndexBinary.h:44< / a > < / div > < / div >
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< div class = "ttc" id = "structfaiss_1_1Clustering_html_a87581785d9516c683bbc7c9392bfa993" > < div class = "ttname" > < a href = "structfaiss_1_1Clustering.html#a87581785d9516c683bbc7c9392bfa993" > faiss::Clustering::k< / a > < / div > < div class = "ttdeci" > size_t k< / div > < div class = "ttdoc" > nb of centroids < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00059" > Clustering.h:59< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a132119ae93e240b54621c5c669853c7f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > faiss::IndexBinary::is_trained< / a > < / div > < div class = "ttdeci" > bool is_trained< / div > < div class = "ttdoc" > set if the Index does not require training, or if training is done already < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00047" > IndexBinary.h:47< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a5c08ac8e6c1444e61b9f357cfba34e2e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a5c08ac8e6c1444e61b9f357cfba34e2e" > faiss::IndexBinaryIVF::quantizer< / a > < / div > < div class = "ttdeci" > IndexBinary * quantizer< / div > < div class = "ttdoc" > quantizer that maps vectors to inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8h_source.html#l00052" > IndexBinaryIVF.h:52< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a277c2645b8def11c5d982384098c5380" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > faiss::IndexBinary::code_size< / a > < / div > < div class = "ttdeci" > int code_size< / div > < div class = "ttdoc" > number of bytes per vector ( = d / 8 ) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00042" > IndexBinary.h:42< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IVFSearchParameters_html" > < div class = "ttname" > < a href = "structfaiss_1_1IVFSearchParameters.html" > faiss::IVFSearchParameters< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00060" > IndexIVF.h:60< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html" > faiss::InvertedLists< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00031" > InvertedLists.h:31< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a2c7bc3be67d829d49ac1ab2afc4f6b0c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a2c7bc3be67d829d49ac1ab2afc4f6b0c" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8h_source.html#l00055" > IndexBinaryIVF.h:55< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a5296e62b0524f13ff66c61fb7db499a2" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a5296e62b0524f13ff66c61fb7db499a2" > faiss::IndexBinaryIVF::merge_from< / a > < / div > < div class = "ttdeci" > virtual void merge_from(IndexBinaryIVF & other, idx_t add_id)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00292" > IndexBinaryIVF.cpp:292< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a01749bbdbd3b7ec6bb9390257ab16c5c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > faiss::IndexBinary::idx_t< / a > < / div > < div class = "ttdeci" > Index::idx_t idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00037" > IndexBinary.h:37< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a280d0a3958664c3eb4164fcb62496b00" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a280d0a3958664c3eb4164fcb62496b00" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8cpp_source.html#l00104" > IndexBinaryIVF.cpp:104< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a0e485a7189eec2675032486d3b12cf88" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > faiss::IndexBinary::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00041" > IndexBinary.h:41< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_ae4b4048070a6fc5aa3226a2edf42db5e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#ae4b4048070a6fc5aa3226a2edf42db5e" > faiss::IndexBinaryIVF::clustering_index< / a > < / div > < div class = "ttdeci" > Index * clustering_index< / div > < div class = "ttdoc" > to override index used during clustering < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8h_source.html#l00058" > IndexBinaryIVF.h:58< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_ac2a0686121ef5bdd6eb70f7eb3cf9b3a" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#ac2a0686121ef5bdd6eb70f7eb3cf9b3a" > faiss::InvertedLists::merge_from< / a > < / div > < div class = "ttdeci" > void merge_from(InvertedLists *oivf, size_t add_id)< / div > < div class = "ttdoc" > move all entries from oivf (empty on output) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8cpp_source.html#l00077" > InvertedLists.cpp:77< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_a21b52cdb0601cd225bd7924932310876" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#a21b52cdb0601cd225bd7924932310876" > faiss::InvertedLists::get_single_id< / a > < / div > < div class = "ttdeci" > virtual idx_t get_single_id(size_t list_no, size_t offset) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8cpp_source.html#l00035" > InvertedLists.cpp:35< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_ad3f0d3071f987baabbdd3da4500c87ea" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00062" > Index.h:62< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_ae06049e4259edb47d443ef87bdedc744" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#ae06049e4259edb47d443ef87bdedc744" > faiss::InvertedLists::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 = "InvertedLists_8h_source.html#l00035" > InvertedLists.h:35< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_afc2760bed7c210f2fad9b03109f561ee" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#afc2760bed7c210f2fad9b03109f561ee" > faiss::InvertedLists::get_single_code< / a > < / div > < div class = "ttdeci" > virtual const uint8_t * get_single_code(size_t list_no, size_t offset) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8cpp_source.html#l00052" > InvertedLists.cpp:52< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a4b4b1ba42e6af7c30ccbaf0fc0f38034" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a4b4b1ba42e6af7c30ccbaf0fc0f38034" > faiss::IndexBinaryIVF::train< / a > < / div > < div class = "ttdeci" > void train(idx_t n, const uint8_t *x) override< / div > < div class = "ttdoc" > Trains the quantizer. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00253" > IndexBinaryIVF.cpp:253< / a > < / div > < / div >
2018-12-20 00:48:35 +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 >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_abcab702ebe1814ff432401bfd39df492" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#abcab702ebe1814ff432401bfd39df492" > faiss::IndexBinaryIVF::use_heap< / a > < / div > < div class = "ttdeci" > bool use_heap< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8h_source.html#l00046" > IndexBinaryIVF.h:46< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a27c32414471c57138b248583fc0c5f8c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a27c32414471c57138b248583fc0c5f8c" > faiss::IndexBinary::assign< / a > < / div > < div class = "ttdeci" > void assign(idx_t n, const uint8_t *x, idx_t *labels, idx_t k=1)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8cpp_source.html#l00028" > IndexBinary.cpp:28< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_acd3e36cc06fc49e02773e403a84dba95" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#acd3e36cc06fc49e02773e403a84dba95" > faiss::InvertedLists::add_entry< / a > < / div > < div class = "ttdeci" > virtual size_t add_entry(size_t list_no, idx_t theid, const uint8_t *code)< / div > < div class = "ttdoc" > add one entry to an inverted list < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8cpp_source.html#l00059" > InvertedLists.cpp:59< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a9dfe26312102f0010940fd2fbdf87d85" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a9dfe26312102f0010940fd2fbdf87d85" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8cpp_source.html#l00211" > IndexBinaryIVF.cpp:211< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb" > < div class = "ttname" > < a href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > faiss::getmillisecs< / a > < / div > < div class = "ttdeci" > double getmillisecs()< / div > < div class = "ttdoc" > ms elapsed since some arbitrary epoch < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l00069" > utils.cpp:69< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Clustering_html_a64c5ec0b4a7967d8be2872974b455ff1" > < div class = "ttname" > < a href = "structfaiss_1_1Clustering.html#a64c5ec0b4a7967d8be2872974b455ff1" > faiss::Clustering::centroids< / a > < / div > < div class = "ttdeci" > std::vector< float > centroids< / div > < div class = "ttdoc" > centroids (k * d) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00062" > Clustering.h:62< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "namespacefaiss_html_ab491c9e2f77a750c9f0324bfe00e3e57" > < div class = "ttname" > < a href = "namespacefaiss.html#ab491c9e2f77a750c9f0324bfe00e3e57" > faiss::real_to_binary< / a > < / div > < div class = "ttdeci" > void real_to_binary(size_t d, const float *x_in, uint8_t *x_out)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l01570" > utils.cpp:1570< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a8f5fc7b1cc59623154f7922459d8c7bb" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a8f5fc7b1cc59623154f7922459d8c7bb" > faiss::IndexBinaryIVF::add_with_ids< / a > < / div > < div class = "ttdeci" > void add_with_ids(idx_t n, const uint8_t *x, const long *xids) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00060" > IndexBinaryIVF.cpp:60< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_aaa0eb1eca49892304ceaa11bd3a5ffa1" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#aaa0eb1eca49892304ceaa11bd3a5ffa1" > faiss::IndexBinaryIVF::add< / a > < / div > < div class = "ttdeci" > void add(idx_t n, const uint8_t *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00056" > IndexBinaryIVF.cpp:56< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_afaf8b7aa3e846aa4553f6aae67827ec8" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#afaf8b7aa3e846aa4553f6aae67827ec8" > faiss::InvertedLists::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 = "InvertedLists_8h_source.html#l00034" > InvertedLists.h:34< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a06d0e73e7ece9689000f936e7f1e2960" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a06d0e73e7ece9689000f936e7f1e2960" > faiss::IndexBinaryIVF::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 = "IndexBinaryIVF_8cpp_source.html#l00217" > IndexBinaryIVF.cpp:217< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a41b6759d127475d5fcd2b3982a8f355e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > faiss::IndexBinary::ntotal< / a > < / div > < div class = "ttdeci" > idx_t ntotal< / div > < div class = "ttdoc" > total nb of indexed vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00043" > IndexBinary.h:43< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html" > faiss::IndexBinary< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00036" > IndexBinary.h:36< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_af04b1093cdebfea189e0e04da68794d7" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#af04b1093cdebfea189e0e04da68794d7" > faiss::IndexBinary::add< / a > < / div > < div class = "ttdeci" > virtual void add(idx_t n, const uint8_t *x)=0< / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_aeaf24ee802fe8f43879c735c363b6fd5" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#aeaf24ee802fe8f43879c735c363b6fd5" > faiss::IndexBinaryIVF::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const uint8_t *x, idx_t k, int32_t *distances, idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00127" > IndexBinaryIVF.cpp:127< / a > < / div > < / div >
< 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#l00077" > Clustering.cpp:77< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_ac8260e10cfeed08a4344b85845773e16" > < div class = "ttname" > < a href = "namespacefaiss.html#ac8260e10cfeed08a4344b85845773e16" > faiss::binary_to_real< / a > < / div > < div class = "ttdeci" > void binary_to_real(size_t d, const uint8_t *x_in, float *x_out)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l01564" > utils.cpp:1564< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_ac537aa14d2731c0ff907169211389b76" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#ac537aa14d2731c0ff907169211389b76" > faiss::InvertedLists::prefetch_lists< / a > < / div > < div class = "ttdeci" > virtual void prefetch_lists(const idx_t *list_nos, int nlist) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8cpp_source.html#l00049" > InvertedLists.cpp:49< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a75260a5d45fb24a9a3c3462786f1de4d" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a75260a5d45fb24a9a3c3462786f1de4d" > faiss::IndexBinaryIVF::search_and_reconstruct< / a > < / div > < div class = "ttdeci" > void search_and_reconstruct(idx_t n, const uint8_t *x, idx_t k, int32_t *distances, idx_t *labels, uint8_t *recons) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00171" > IndexBinaryIVF.cpp:171< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a4a8cd9437b9adc21696aefe1fa440a22" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a4a8cd9437b9adc21696aefe1fa440a22" > faiss::IndexBinaryIVF::reconstruct_n< / a > < / div > < div class = "ttdeci" > void reconstruct_n(idx_t i0, idx_t ni, uint8_t *recons) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00152" > IndexBinaryIVF.cpp:152< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_ad233d3fcf4e001849301c0fbeb675f81" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#ad233d3fcf4e001849301c0fbeb675f81" > faiss::IndexBinaryIVF::reconstruct< / a > < / div > < div class = "ttdeci" > void reconstruct(idx_t key, uint8_t *recons) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8cpp_source.html#l00144" > IndexBinaryIVF.cpp:144< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_afd12191c638da74760ff397cf319752c" > < div class = "ttname" > < a href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > < / div > < div class = "ttdeci" > MetricType< / div > < div class = "ttdoc" > Some algorithms support both an inner product version and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00044" > Index.h:44< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinaryIVF_html_a094ef9572645ff86a76ff4df967bf65a" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinaryIVF.html#a094ef9572645ff86a76ff4df967bf65a" > faiss::IndexBinaryIVF::invlists< / a > < / div > < div class = "ttdeci" > InvertedLists * invlists< / div > < div class = "ttdoc" > Acess to the actual data. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinaryIVF_8h_source.html#l00037" > IndexBinaryIVF.h:37< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
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