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2018-02-23 23:44:31 +08:00
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2019-05-28 22:17:22 +08:00
< div class = "title" > /data/users/hoss/faiss/IndexIVFFlat.h< / 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" > // -*- c++ -*-< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #ifndef FAISS_INDEX_IVF_FLAT_H< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FAISS_INDEX_IVF_FLAT_H< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include < unordered_map> < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " IndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
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< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
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< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > /** Inverted file with stored vectors. Here the inverted file< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > * pre-selects the vectors to be searched, but they are not otherwise< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > * encoded, the code array just contains the raw float entries.< / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlat.html" > 24< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / a > : < a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > {< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / a > (< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > , < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < span class = "keywordtype" > size_t< / span > nlist_,< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > = METRIC_L2);< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > /// same as add_with_ids, with precomputed coarse quantizer< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > < / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#aea729c3d8c70bdd93f8e413e834851a4" > add_core< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > 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 = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > *precomputed_idx);< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "comment" > /// implemented for all IndexIVF* classes< / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a5f7356766632d3ce2838f285aa6b8e76" > add_with_ids< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > 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) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a2c445db1ccbad852dad17e60e0fac950" > encode_vectors< / a > (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > idx_t< / a > *list_nos,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   uint8_t * codes) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
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< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
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< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < a class = "code" href = "structfaiss_1_1InvertedListScanner.html" > InvertedListScanner< / a > *< a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a05cbcc239916559b29b1eb1943b00440" > get_InvertedListScanner< / a > (< span class = "keywordtype" > bool< / span > store_pairs)< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "comment" > /** Update a subset of vectors.< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > * The index must have a direct_map< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > * @param nv nb of vectors to update< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > * @param idx vector indices to update, size nv< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > * @param v vectors of new values, size nv*d< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a2adc0b0002c32ddc01aec4ab96dd659f" > update_vectors< / a > (< span class = "keywordtype" > int< / span > nv, < a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > idx_t< / a > *idx, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *v);< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a1267faf361fc3831ddafe7abc51f0ba2" > reconstruct_from_offset< / a > (< span class = "keywordtype" > long< / span > list_no, < span class = "keywordtype" > long< / span > offset,< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "keywordtype" > float< / span > * recons) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / 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 >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlatDedup.html" > 62< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html" > IndexIVFFlatDedup< / a > : < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / a > {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "comment" > /** Maps ids stored in the index to the ids of vectors that are< / span > < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > * the same. When a vector is unique, it does not appear in the< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > * instances map */< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFFlatDedup.html#a1ff220494d504dd806e5daf290ec0e7a" > 67< / a > < / span >   std::unordered_multimap < idx_t, idx_t> < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#a1ff220494d504dd806e5daf290ec0e7a" > instances< / a > ;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html" > IndexIVFFlatDedup< / a > (< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > , < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < span class = "keywordtype" > size_t< / span > nlist_,< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > = METRIC_L2);< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > /// also dedups the training set< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#a24002a8c3f12aa2784833c14b13b427e" > train< / a > (idx_t n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > /// implemented for all IndexIVF* classes< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#ae1d5f41f4987f4e02938738436f082bf" > add_with_ids< / a > (idx_t n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * xids) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#a88f84494a02e8ceab79982bcbcab4fa5" > search_preassigned< / a > (idx_t n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, idx_t k,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keyword" > const< / span > idx_t *< a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > ,< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *centroid_dis,< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "keywordtype" > float< / span > *distances, idx_t *labels,< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordtype" > bool< / span > store_pairs,< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IVFSearchParameters.html" > IVFSearchParameters< / a > *params=< span class = "keyword" > nullptr< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   ) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordtype" > long< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#aae53833bb1e4041358cd4e5407d6a296" > remove_ids< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IDSelector.html" > IDSelector< / a > & sel) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > /// not implemented< / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#acb4f1350039546f5001c5fc36ac0fb2d" > range_search< / a > (< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   idx_t n,< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordtype" > float< / span > radius,< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html" > RangeSearchResult< / a > * result) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "comment" > /// not implemented< / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#a0782b04472858d993ad4c0ffc81b1844" > update_vectors< / a > (< span class = "keywordtype" > int< / span > nv, idx_t *idx, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *v) < 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 = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > /// not implemented< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html#adedda3a8e10704acc5639b7f6aa065f7" > reconstruct_from_offset< / a > (< span class = "keywordtype" > long< / span > list_no, < span class = "keywordtype" > long< / span > offset,< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordtype" > float< / span > * recons) < span class = "keyword" > const override< / 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 >   < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html" > IndexIVFFlatDedup< / a > () {}< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   };< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   } < span class = "comment" > // namespace faiss< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00090" > IndexIVF.h:90< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_a24002a8c3f12aa2784833c14b13b427e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#a24002a8c3f12aa2784833c14b13b427e" > faiss::IndexIVFFlatDedup::train< / a > < / div > < div class = "ttdeci" > void train(idx_t n, const float *x) override< / div > < div class = "ttdoc" > also dedups the training set < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00243" > IndexIVFFlat.cpp:243< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_adedda3a8e10704acc5639b7f6aa065f7" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#adedda3a8e10704acc5639b7f6aa065f7" > faiss::IndexIVFFlatDedup::reconstruct_from_offset< / a > < / div > < div class = "ttdeci" > void reconstruct_from_offset(long list_no, long offset, float *recons) const override< / div > < div class = "ttdoc" > not implemented < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00471" > IndexIVFFlat.cpp:471< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a2c445db1ccbad852dad17e60e0fac950" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a2c445db1ccbad852dad17e60e0fac950" > faiss::IndexIVFFlat::encode_vectors< / a > < / div > < div class = "ttdeci" > void encode_vectors(idx_t n, const float *x, const idx_t *list_nos, uint8_t *codes) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00082" > IndexIVFFlat.cpp:82< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > faiss::Index::assign< / a > < / div > < div class = "ttdeci" > void assign(idx_t n, const float *x, idx_t *labels, idx_t k=1)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8cpp_source.html#l00034" > Index.cpp:34< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1IDSelector_html" > < div class = "ttname" > < a href = "structfaiss_1_1IDSelector.html" > faiss::IDSelector< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00054" > AuxIndexStructures.h:54< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8h_source.html#l00024" > IndexIVFFlat.h:24< / 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 >
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_1IndexIVFFlatDedup_html_ae1d5f41f4987f4e02938738436f082bf" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#ae1d5f41f4987f4e02938738436f082bf" > faiss::IndexIVFFlatDedup::add_with_ids< / a > < / div > < div class = "ttdeci" > void add_with_ids(idx_t n, const float *x, const long *xids) override< / div > < div class = "ttdoc" > implemented for all IndexIVF* classes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00270" > IndexIVFFlat.cpp:270< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_a88f84494a02e8ceab79982bcbcab4fa5" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#a88f84494a02e8ceab79982bcbcab4fa5" > faiss::IndexIVFFlatDedup::search_preassigned< / a > < / div > < div class = "ttdeci" > void search_preassigned(idx_t n, const float *x, idx_t k, const idx_t *assign, const float *centroid_dis, float *distances, idx_t *labels, bool store_pairs, const IVFSearchParameters *params=nullptr) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00326" > IndexIVFFlat.cpp:326< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a5f7356766632d3ce2838f285aa6b8e76" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a5f7356766632d3ce2838f285aa6b8e76" > faiss::IndexIVFFlat::add_with_ids< / a > < / div > < div class = "ttdeci" > void add_with_ids(idx_t n, const float *x, const long *xids) override< / div > < div class = "ttdoc" > implemented for all IndexIVF* classes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00036" > IndexIVFFlat.cpp:36< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a1267faf361fc3831ddafe7abc51f0ba2" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a1267faf361fc3831ddafe7abc51f0ba2" > faiss::IndexIVFFlat::reconstruct_from_offset< / a > < / div > < div class = "ttdeci" > void reconstruct_from_offset(long list_no, long offset, float *recons) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00226" > IndexIVFFlat.cpp:226< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a2adc0b0002c32ddc01aec4ab96dd659f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a2adc0b0002c32ddc01aec4ab96dd659f" > faiss::IndexIVFFlat::update_vectors< / a > < / div > < div class = "ttdeci" > virtual void update_vectors(int nv, idx_t *idx, const float *v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00190" > IndexIVFFlat.cpp:190< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_acb4f1350039546f5001c5fc36ac0fb2d" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#acb4f1350039546f5001c5fc36ac0fb2d" > faiss::IndexIVFFlatDedup::range_search< / a > < / div > < div class = "ttdeci" > void range_search(idx_t n, const float *x, float radius, RangeSearchResult *result) const override< / div > < div class = "ttdoc" > not implemented < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00456" > IndexIVFFlat.cpp:456< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedListScanner_html" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedListScanner.html" > faiss::InvertedListScanner< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00272" > IndexIVF.h:272< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_a0782b04472858d993ad4c0ffc81b1844" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#a0782b04472858d993ad4c0ffc81b1844" > faiss::IndexIVFFlatDedup::update_vectors< / a > < / div > < div class = "ttdeci" > void update_vectors(int nv, idx_t *idx, const float *v) override< / div > < div class = "ttdoc" > not implemented < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00465" > IndexIVFFlat.cpp:465< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html" > faiss::RangeSearchResult< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00031" > AuxIndexStructures.h:31< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< 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_1Level1Quantizer_html_a3cf99e2ee92b8558a066f821efab95d5" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > faiss::Level1Quantizer::quantizer< / a > < / div > < div class = "ttdeci" > Index * quantizer< / div > < div class = "ttdoc" > quantizer that maps vectors to inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00032" > IndexIVF.h:32< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_aae53833bb1e4041358cd4e5407d6a296" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#aae53833bb1e4041358cd4e5407d6a296" > faiss::IndexIVFFlatDedup::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 = "IndexIVFFlat_8cpp_source.html#l00381" > IndexIVFFlat.cpp:381< / 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_1IndexIVFFlatDedup_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html" > faiss::IndexIVFFlatDedup< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8h_source.html#l00062" > IndexIVFFlat.h:62< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a05cbcc239916559b29b1eb1943b00440" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a05cbcc239916559b29b1eb1943b00440" > faiss::IndexIVFFlat::get_InvertedListScanner< / a > < / div > < div class = "ttdeci" > InvertedListScanner * get_InvertedListScanner(bool store_pairs) const override< / div > < div class = "ttdoc" > get a scanner for this index (store_pairs means ignore labels) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00166" > IndexIVFFlat.cpp:166< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_aea729c3d8c70bdd93f8e413e834851a4" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#aea729c3d8c70bdd93f8e413e834851a4" > faiss::IndexIVFFlat::add_core< / a > < / div > < div class = "ttdeci" > virtual void add_core(idx_t n, const float *x, const long *xids, const long *precomputed_idx)< / div > < div class = "ttdoc" > same as add_with_ids, with precomputed coarse quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8cpp_source.html#l00041" > IndexIVFFlat.cpp:41< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html_a1ff220494d504dd806e5daf290ec0e7a" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html#a1ff220494d504dd806e5daf290ec0e7a" > faiss::IndexIVFFlatDedup::instances< / a > < / div > < div class = "ttdeci" > std::unordered_multimap< idx_t, idx_t > instances< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8h_source.html#l00067" > IndexIVFFlat.h:67< / a > < / div > < / div >
2018-02-23 23:44:31 +08:00
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