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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" > * Copyright (c) 2015-present, Facebook, Inc.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > * All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > *< / span > < / div >
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< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * This source code is licensed under the BSD+Patents license found in the< / span > < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
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< 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" > #pragma once< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " GpuIndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include < vector> < / 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 = "keyword" > namespace < / span > faiss { < span class = "keyword" > struct < / span > IndexIVFPQ; }< / 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 = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > gpu {< / 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 = "keyword" > class < / span > GpuIndexFlat;< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > class < / span > IVFPQ;< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > 22< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html" > GpuIndexIVFConfig< / a > {< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > inline< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > ()< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   : < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > useFloat16LookupTables< / a > (< span class = "keyword" > false< / span > ),< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > (< span class = "keyword" > false< / span > ) {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   }< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "comment" > /// Whether or not float16 residual distance tables are used in the< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > /// list scanning kernels. When subQuantizers * 2^bitsPerCode > < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > /// 16384, this is required.< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > 31< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > useFloat16LookupTables< / a > ;< / 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" > /// Whether or not we enable the precomputed table option for< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "comment" > /// search, which can substantially increase the memory requirement.< / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > 35< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > ;< / 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 = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > /// IVFPQ index for the GPU< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > 39< / a > < / span >   < span class = "comment" > < / span > < span class = "keyword" > class < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > GpuIndexIVFPQ< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > GpuIndexIVF< / a > {< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keyword" > public< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "comment" > /// Construct from a pre-existing faiss::IndexIVFPQ instance, copying< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > /// data over to the given GPU, if the input index is trained.< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a56a552e8c2e29f33c39883145bd7629c" > GpuIndexIVFPQ< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > * index,< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > ());< / 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" > /// Construct an empty index< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a56a552e8c2e29f33c39883145bd7629c" > GpuIndexIVFPQ< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordtype" > int< / span > nlist,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keywordtype" > int< / span > subQuantizers,< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordtype" > int< / span > bitsPerCode,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > metric,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > ());< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   ~< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > GpuIndexIVFPQ< / a > () < span class = "keyword" > override< / 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" > 58< / span >   < span class = "comment" > /// Reserve space on the GPU for the inverted lists for `num`< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "comment" > /// vectors, assumed equally distributed among< / span > < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > < / span > < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "comment" > /// Initialize ourselves from the given CPU index; will overwrite< / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > /// all data in ourselves< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a8d48f79af9080b55706050244fc24f0e" > copyFrom< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > * index);< / 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" > /// Copy ourselves to the given CPU index; will overwrite all data< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > /// in the index instance< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#aad10de2407911e9adf42c1be5c5dd390" > copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > * index) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > /// Reserve GPU memory in our inverted lists for this number of vectors< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a4e7d62e21f7e23fa4e94c69131389eea" > reserveMemory< / a > (< span class = "keywordtype" > size_t< / span > numVecs);< / 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 = "comment" > /// Enable or disable pre-computed codes< / span > < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#afda2894c0ce520e0d3d06eeca5ed5f0c" > setPrecomputedCodes< / a > (< span class = "keywordtype" > bool< / span > enable);< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > /// Are pre-computed codes enabled?< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a679b0aaa229d571aeb842673e3493cc5" > getPrecomputedCodes< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > /// Return the number of sub-quantizers we are using< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > int< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3869ea7898487334fb67ee499f38988d" > getNumSubQuantizers< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "comment" > /// Return the number of bits per PQ code< / span > < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > int< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#af87058de254e1430587a16b76f1e4377" > getBitsPerCode< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > /// Return the number of centroids per PQ code (2^bits per code)< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > int< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a2f50e79af6727962cd89534438d4769e" > getCentroidsPerSubQuantizer< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "comment" > /// After adding vectors, one can call this to reclaim device memory< / span > < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > /// to exactly the amount needed. Returns space reclaimed in bytes< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a83831088d9593f753560965172ccb0a0" > reclaimMemory< / a > ();< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > /// Clears out all inverted lists, but retains the coarse and< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > /// product centroid information< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3a43a70461e09ef87bdb7b48ec420dd2" > reset< / a > () < span class = "keyword" > 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 = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ac4814acafa4bc340a4c4bdcafd469b56" > train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::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 >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "comment" > /// For debugging purposes, return the list length of a particular< / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "comment" > /// list< / span > < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > int< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ab7f77961857e560b4dbb81888a8c8bf8" > getListLength< / a > (< span class = "keywordtype" > int< / span > listId) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > /// For debugging purposes, return the list codes of a particular< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "comment" > /// list< / span > < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > < / span > std::vector< unsigned char> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a98f0000872701f9f23ac2073723a0aa7" > getListCodes< / a > (< span class = "keywordtype" > int< / span > listId) < span class = "keyword" > const< / 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" > /// For debugging purposes, return the list indices of a particular< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > /// list< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > < / span > std::vector< long> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a5235cf241ef98e6012fd01907ec705d0" > getListIndices< / a > (< span class = "keywordtype" > int< / span > listId) < span class = "keyword" > const< / 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 = "keyword" > protected< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > /// Called from GpuIndex for add/add_with_ids< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a50e74f0621ca2fe5688825f434ad2bb2" > addImpl_< / a > (< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > * ids) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > /// Called from GpuIndex for search< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a42f619bee6ecb268442c7807e75896fe" > searchImpl_< / a > (< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordtype" > float< / span > * distances,< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > * labels) < span class = "keyword" > const override< / span > ;< / 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 >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordtype" > void< / span > verifySettings_() < span class = "keyword" > const< / 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 = "keywordtype" > void< / span > trainResidualQuantizer_(< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x);< / 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" > private< / span > :< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > ivfpqConfig_;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > /// Number of sub-quantizers per encoded vector< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > int< / span > subQuantizers_;< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "comment" > /// Bits per sub-quantizer code< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > int< / span > bitsPerCode_;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "comment" > /// Desired inverted list memory reservation< / span > < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > reserveMemoryVecs_;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > /// The product quantizer instance that we own; contains the< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > /// inverted lists< / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html" > IVFPQ< / a > * index_;< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   };< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   } } < span class = "comment" > // namespace< / span > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a5235cf241ef98e6012fd01907ec705d0" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a5235cf241ef98e6012fd01907ec705d0" > faiss::gpu::GpuIndexIVFPQ::getListIndices< / a > < / div > < div class = "ttdeci" > std::vector< long > getListIndices(int listId) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00410" > GpuIndexIVFPQ.cu:410< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a42f619bee6ecb268442c7807e75896fe" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a42f619bee6ecb268442c7807e75896fe" > faiss::gpu::GpuIndexIVFPQ::searchImpl_< / a > < / div > < div class = "ttdeci" > void searchImpl_(faiss::Index::idx_t n, const float *x, faiss::Index::idx_t k, float *distances, faiss::Index::idx_t *labels) const override< / div > < div class = "ttdoc" > Called from GpuIndex for search. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00351" > GpuIndexIVFPQ.cu:351< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a3a43a70461e09ef87bdb7b48ec420dd2" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3a43a70461e09ef87bdb7b48ec420dd2" > faiss::gpu::GpuIndexIVFPQ::reset< / a > < / div > < div class = "ttdeci" > void reset() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00247" > GpuIndexIVFPQ.cu:247< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig_html_ae5b5c7acc06743e5bcca197bc33c30ec" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > faiss::gpu::GpuIndexIVFPQConfig::usePrecomputedTables< / a > < / div > < div class = "ttdeci" > bool usePrecomputedTables< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8h_source.html#l00035" > GpuIndexIVFPQ.h:35< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a56a552e8c2e29f33c39883145bd7629c" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a56a552e8c2e29f33c39883145bd7629c" > faiss::gpu::GpuIndexIVFPQ::GpuIndexIVFPQ< / a > < / div > < div class = "ttdeci" > GpuIndexIVFPQ(GpuResources *resources, const faiss::IndexIVFPQ *index, GpuIndexIVFPQConfig config=GpuIndexIVFPQConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00024" > GpuIndexIVFPQ.cu:24< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_ab7f77961857e560b4dbb81888a8c8bf8" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ab7f77961857e560b4dbb81888a8c8bf8" > faiss::gpu::GpuIndexIVFPQ::getListLength< / a > < / div > < div class = "ttdeci" > int getListLength(int listId) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00396" > GpuIndexIVFPQ.cu:396< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html" > faiss::gpu::GpuIndexIVFConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00024" > GpuIndexIVF.h:24< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuResources_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuResources.html" > faiss::gpu::GpuResources< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuResources_8h_source.html#l00022" > GpuResources.h:22< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_af87058de254e1430587a16b76f1e4377" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#af87058de254e1430587a16b76f1e4377" > faiss::gpu::GpuIndexIVFPQ::getBitsPerCode< / a > < / div > < div class = "ttdeci" > int getBitsPerCode() const < / div > < div class = "ttdoc" > Return the number of bits per PQ code. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00227" > GpuIndexIVFPQ.cu:227< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig_html_a9dbbec78d77d90b7b150f543e477cc49" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > faiss::gpu::GpuIndexIVFPQConfig::useFloat16LookupTables< / a > < / div > < div class = "ttdeci" > bool useFloat16LookupTables< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8h_source.html#l00031" > GpuIndexIVFPQ.h:31< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > faiss::gpu::GpuIndexIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00036" > GpuIndexIVF.h:36< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_ac4814acafa4bc340a4c4bdcafd469b56" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ac4814acafa4bc340a4c4bdcafd469b56" > faiss::gpu::GpuIndexIVFPQ::train< / a > < / div > < div class = "ttdeci" > void train(Index::idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00303" > GpuIndexIVFPQ.cu:303< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a83831088d9593f753560965172ccb0a0" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a83831088d9593f753560965172ccb0a0" > faiss::gpu::GpuIndexIVFPQ::reclaimMemory< / a > < / div > < div class = "ttdeci" > size_t reclaimMemory()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00237" > GpuIndexIVFPQ.cu:237< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > faiss::gpu::GpuIndexIVFPQConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8h_source.html#l00022" > GpuIndexIVFPQ.h:22< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00035" > IndexIVFPQ.h:35< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a4e7d62e21f7e23fa4e94c69131389eea" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a4e7d62e21f7e23fa4e94c69131389eea" > faiss::gpu::GpuIndexIVFPQ::reserveMemory< / a > < / div > < div class = "ttdeci" > void reserveMemory(size_t numVecs)< / div > < div class = "ttdoc" > Reserve GPU memory in our inverted lists for this number of vectors. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00197" > GpuIndexIVFPQ.cu:197< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a8d48f79af9080b55706050244fc24f0e" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a8d48f79af9080b55706050244fc24f0e" > faiss::gpu::GpuIndexIVFPQ::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(const faiss::IndexIVFPQ *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00079" > GpuIndexIVFPQ.cu:79< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00064" > Index.h:64< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a50e74f0621ca2fe5688825f434ad2bb2" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a50e74f0621ca2fe5688825f434ad2bb2" > faiss::gpu::GpuIndexIVFPQ::addImpl_< / a > < / div > < div class = "ttdeci" > void addImpl_(faiss::Index::idx_t n, const float *x, const faiss::Index::idx_t *ids) override< / div > < div class = "ttdoc" > Called from GpuIndex for add/add_with_ids. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00322" > GpuIndexIVFPQ.cu:322< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_aad10de2407911e9adf42c1be5c5dd390" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#aad10de2407911e9adf42c1be5c5dd390" > faiss::gpu::GpuIndexIVFPQ::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexIVFPQ *index) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00143" > GpuIndexIVFPQ.cu:143< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > faiss::gpu::GpuIndexIVFPQ< / a > < / div > < div class = "ttdoc" > IVFPQ index for the GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8h_source.html#l00039" > GpuIndexIVFPQ.h:39< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a3869ea7898487334fb67ee499f38988d" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3869ea7898487334fb67ee499f38988d" > faiss::gpu::GpuIndexIVFPQ::getNumSubQuantizers< / a > < / div > < div class = "ttdeci" > int getNumSubQuantizers() const < / div > < div class = "ttdoc" > Return the number of sub-quantizers we are using. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00222" > GpuIndexIVFPQ.cu:222< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a2f50e79af6727962cd89534438d4769e" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a2f50e79af6727962cd89534438d4769e" > faiss::gpu::GpuIndexIVFPQ::getCentroidsPerSubQuantizer< / a > < / div > < div class = "ttdeci" > int getCentroidsPerSubQuantizer() const < / div > < div class = "ttdoc" > Return the number of centroids per PQ code (2^bits per code) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00232" > GpuIndexIVFPQ.cu:232< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_afda2894c0ce520e0d3d06eeca5ed5f0c" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#afda2894c0ce520e0d3d06eeca5ed5f0c" > faiss::gpu::GpuIndexIVFPQ::setPrecomputedCodes< / a > < / div > < div class = "ttdeci" > void setPrecomputedCodes(bool enable)< / div > < div class = "ttdoc" > Enable or disable pre-computed codes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00206" > GpuIndexIVFPQ.cu:206< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a679b0aaa229d571aeb842673e3493cc5" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a679b0aaa229d571aeb842673e3493cc5" > faiss::gpu::GpuIndexIVFPQ::getPrecomputedCodes< / a > < / div > < div class = "ttdeci" > bool getPrecomputedCodes() const < / div > < div class = "ttdoc" > Are pre-computed codes enabled? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00217" > GpuIndexIVFPQ.cu:217< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html" > faiss::gpu::IVFPQ< / a > < / div > < div class = "ttdoc" > Implementing class for IVFPQ on the GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cuh_source.html#l00018" > IVFPQ.cuh:18< / 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#l00045" > Index.h:45< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a98f0000872701f9f23ac2073723a0aa7" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a98f0000872701f9f23ac2073723a0aa7" > faiss::gpu::GpuIndexIVFPQ::getListCodes< / a > < / div > < div class = "ttdeci" > std::vector< unsigned char > getListCodes(int listId) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00402" > GpuIndexIVFPQ.cu:402< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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