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2017-02-23 06:26:44 +08:00
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2017-03-01 17:50:47 +08:00
< div class = "title" > MetaIndexes.h< / div > < / div >
2017-02-23 06:26:44 +08:00
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > /**< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > * Copyright (c) 2015-present, Facebook, Inc.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > * All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > * This source code is licensed under the CC-by-NC license found in the< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // Copyright 2004-present Facebook. All Rights Reserved.< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > // -*- c++ -*-< / 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" > #ifndef META_INDEXES_H< / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define META_INDEXES_H< / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include < vector> < / 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 >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " Index.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "comment" > /** Index that translates search results to ids */< / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIDMap.html" > 26< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html" > IndexIDMap< / a > : < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * index; < span class = "comment" > ///! the sub-index< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIDMap.html#affa8a764304410c96489c2b2e178bcdb" > 28< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html#affa8a764304410c96489c2b2e178bcdb" > own_fields< / a > ; < span class = "comment" > ///! whether pointers are deleted in destructo< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIDMap.html#ad1cc5658f1879f6a2b00d76cca58cf3b" > 29< / a > < / span >   < span class = "comment" > < / span > std::vector< long> < a class = "code" href = "structfaiss_1_1IndexIDMap.html#ad1cc5658f1879f6a2b00d76cca58cf3b" > id_map< / a > ;< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html" > IndexIDMap< / a > (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index);< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "comment" > /// Same as add_core, but stores xids instead of sequential ids< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "comment" > /// @param xids if non-null, ids to store for the vectors (size n)< / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > < / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html#aeace75e53648c052d05c357b744e090b" > add_with_ids< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *xids)< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > /// this will fail. Use add_with_ids< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "comment" > < / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html#a16cce6c1e83d0d5f069c9b0399896450" > add< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html#a2f36fa9150a465b48952afbba856e2a1" > search< / a > (< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordtype" > float< / span > *distances, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html#ac873cb03aa323a06dca5d6f3af5fe559" > train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html#a70aca5b0f665c5a109d5dadf1e13b448" > reset< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > set_typename () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keyword" > virtual< / span > ~< a class = "code" href = "structfaiss_1_1IndexIDMap.html" > IndexIDMap< / a > ();< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   };< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > /** Index that concatenates the results from several sub-indexes< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexShards.html" > 58< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1IndexShards.html" > IndexShards< / a > : < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   std::vector< Index*> shard_indexes;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordtype" > bool< / span > own_fields; < span class = "comment" > /// should the sub-indexes be deleted along with this?< / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexShards.html#a493da171720f2c3f35058f793fb9a6ce" > 62< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#a493da171720f2c3f35058f793fb9a6ce" > threaded< / a > ;< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordtype" > bool< / span > successive_ids;< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > /**< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > * @param threaded do we use one thread per sub_index or do< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > * queries sequentially?< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "comment" > * @param successive_ids should we shift the returned ids by< / span > < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > * the size of each sub-index or return them< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > * as they are?< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#ad987a18a1786919e32cc02ca36e5ab46" > IndexShards< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#a493da171720f2c3f35058f793fb9a6ce" > threaded< / a > = < span class = "keyword" > false< / span > ,< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordtype" > bool< / span > successive_ids = < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordtype" > void< / span > add_shard (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *);< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > // update metric_type and ntotal. Call if you changes something in< / span > < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > // the shard indexes.< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordtype" > void< / span > sync_with_shard_indexes ();< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *at(< span class = "keywordtype" > int< / span > i) {< span class = "keywordflow" > return< / span > shard_indexes[i]; }< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > /// supported only for sub-indices that implement add_with_ids< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > < / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#a2e06889521c566525011eb46cc97cda6" > add< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#a1f771d50133494f682f05c9ab9e39ad9" > add_with_ids< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *xids)< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#a83391295650370e8987358a898bb2cca" > search< / a > (< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordtype" > float< / span > *distances, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#a36fbcc85eed9bf2ea15587f04be9ae0b" > train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html#aa7dc5d020de4a0552058cbf2844cb00f" > reset< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > set_typename () < span class = "keyword" > override< / span > ;< / 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 >   < span class = "keyword" > virtual< / span > ~< a class = "code" href = "structfaiss_1_1IndexShards.html" > IndexShards< / a > ();< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   };< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > /** splits input vectors in segments and assigns each segment to a sub-index< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > * used to distribute a MultiIndexQuantizer< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > */< / 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" > < a class = "line" href = "structfaiss_1_1IndexSplitVectors.html" > 109< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html" > IndexSplitVectors< / a > : < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordtype" > bool< / span > own_fields;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordtype" > bool< / span > threaded;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   std::vector< Index*> sub_indexes;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > sum_d; < span class = "comment" > /// sum of dimensions seen so far< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html#a70ba3367a08722fe4466dc49c21a4d2b" > IndexSplitVectors< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < span class = "keywordtype" > bool< / span > threaded = < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordtype" > void< / span > add_sub_index (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *);< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordtype" > void< / span > sync_with_sub_indexes ();< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html#af2ef88dc72b4a94f1190ecc8cb25881b" > add< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html#a4a010daf51e44d9717e94400cc23c159" > search< / a > (< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordtype" > float< / span > *distances, < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels) < span class = "keyword" > const override< / 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" > 127< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html#aafa4c780e325855fe247052453967845" > train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html#a8047981cb8d10c54107664c4955df402" > reset< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > set_typename () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keyword" > virtual< / span > ~< a class = "code" href = "structfaiss_1_1IndexSplitVectors.html" > IndexSplitVectors< / a > ();< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   };< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < / 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 >   }< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "preprocessor" > #endif< / span > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_a36fbcc85eed9bf2ea15587f04be9ae0b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#a36fbcc85eed9bf2ea15587f04be9ae0b" > faiss::IndexShards::train< / a > < / div > < div class = "ttdeci" > virtual void train(idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00310" > MetaIndexes.cpp:310< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_ad987a18a1786919e32cc02ca36e5ab46" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#ad987a18a1786919e32cc02ca36e5ab46" > faiss::IndexShards::IndexShards< / a > < / div > < div class = "ttdeci" > IndexShards(idx_t d, bool threaded=false, bool successive_ids=true)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00280" > MetaIndexes.cpp:280< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_a2f36fa9150a465b48952afbba856e2a1" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#a2f36fa9150a465b48952afbba856e2a1" > faiss::IndexIDMap::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00069" > MetaIndexes.cpp:69< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_a1f771d50133494f682f05c9ab9e39ad9" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#a1f771d50133494f682f05c9ab9e39ad9" > faiss::IndexShards::add_with_ids< / a > < / div > < div class = "ttdeci" > virtual void add_with_ids(idx_t n, const float *x, const long *xids) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00350" > MetaIndexes.cpp:350< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_a83391295650370e8987358a898bb2cca" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#a83391295650370e8987358a898bb2cca" > faiss::IndexShards::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00408" > MetaIndexes.cpp:408< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html" > faiss::IndexIDMap< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00026" > MetaIndexes.h:26< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html_a8047981cb8d10c54107664c4955df402" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html#a8047981cb8d10c54107664c4955df402" > faiss::IndexSplitVectors::reset< / a > < / div > < div class = "ttdeci" > virtual void reset() override< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00640" > MetaIndexes.cpp:640< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_a16cce6c1e83d0d5f069c9b0399896450" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#a16cce6c1e83d0d5f069c9b0399896450" > faiss::IndexIDMap::add< / a > < / div > < div class = "ttdeci" > virtual void add(idx_t n, const float *x) override< / div > < div class = "ttdoc" > this will fail. Use add_with_ids < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00040" > MetaIndexes.cpp:40< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html" > faiss::IndexSplitVectors< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00109" > MetaIndexes.h:109< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_ad1cc5658f1879f6a2b00d76cca58cf3b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#ad1cc5658f1879f6a2b00d76cca58cf3b" > faiss::IndexIDMap::id_map< / a > < / div > < div class = "ttdeci" > std::vector< long > id_map< / div > < div class = "ttdoc" > ! whether pointers are deleted in destructo < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00029" > MetaIndexes.h:29< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html_aafa4c780e325855fe247052453967845" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html#aafa4c780e325855fe247052453967845" > faiss::IndexSplitVectors::train< / a > < / div > < div class = "ttdeci" > virtual void train(idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00635" > MetaIndexes.cpp:635< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_a2e06889521c566525011eb46cc97cda6" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#a2e06889521c566525011eb46cc97cda6" > faiss::IndexShards::add< / a > < / div > < div class = "ttdeci" > virtual void add(idx_t n, const float *x) override< / div > < div class = "ttdoc" > supported only for sub-indices that implement add_with_ids < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00333" > MetaIndexes.cpp:333< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00064" > Index.h:64< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html_af2ef88dc72b4a94f1190ecc8cb25881b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html#af2ef88dc72b4a94f1190ecc8cb25881b" > faiss::IndexSplitVectors::add< / a > < / div > < div class = "ttdeci" > virtual void add(idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00535" > MetaIndexes.cpp:535< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_a493da171720f2c3f35058f793fb9a6ce" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#a493da171720f2c3f35058f793fb9a6ce" > faiss::IndexShards::threaded< / a > < / div > < div class = "ttdeci" > bool threaded< / div > < div class = "ttdoc" > should the sub-indexes be deleted along with this? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00062" > MetaIndexes.h:62< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexShards_html_aa7dc5d020de4a0552058cbf2844cb00f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html#aa7dc5d020de4a0552058cbf2844cb00f" > faiss::IndexShards::reset< / a > < / div > < div class = "ttdeci" > virtual void reset() override< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00400" > MetaIndexes.cpp:400< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_a70aca5b0f665c5a109d5dadf1e13b448" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#a70aca5b0f665c5a109d5dadf1e13b448" > faiss::IndexIDMap::reset< / a > < / div > < div class = "ttdeci" > virtual void reset() override< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00053" > MetaIndexes.cpp:53< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html_a4a010daf51e44d9717e94400cc23c159" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html#a4a010daf51e44d9717e94400cc23c159" > faiss::IndexSplitVectors::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00580" > MetaIndexes.cpp:580< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_ac873cb03aa323a06dca5d6f3af5fe559" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#ac873cb03aa323a06dca5d6f3af5fe559" > faiss::IndexIDMap::train< / a > < / div > < div class = "ttdeci" > virtual void train(idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00047" > MetaIndexes.cpp:47< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html" > faiss::Index< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00061" > Index.h:61< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexShards_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html" > faiss::IndexShards< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00058" > MetaIndexes.h:58< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_aeace75e53648c052d05c357b744e090b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#aeace75e53648c052d05c357b744e090b" > faiss::IndexIDMap::add_with_ids< / a > < / div > < div class = "ttdeci" > virtual void add_with_ids(idx_t n, const float *x, const long *xids) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00060" > MetaIndexes.cpp:60< / a > < / div > < / div >
2017-02-25 00:32:08 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html_a70ba3367a08722fe4466dc49c21a4d2b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html#a70ba3367a08722fe4466dc49c21a4d2b" > faiss::IndexSplitVectors::IndexSplitVectors< / a > < / div > < div class = "ttdeci" > IndexSplitVectors(idx_t d, bool threaded=false)< / div > < div class = "ttdoc" > sum of dimensions seen so far < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8cpp_source.html#l00505" > MetaIndexes.cpp:505< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_affa8a764304410c96489c2b2e178bcdb" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#affa8a764304410c96489c2b2e178bcdb" > faiss::IndexIDMap::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > ! the sub-index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00028" > MetaIndexes.h:28< / a > < / div > < / div >
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