2017-02-23 06:26:44 +08:00
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< title > Faiss: /data/users/matthijs/github_faiss/faiss/gpu/GpuIndexIVFPQ.cu Source File< / title >
2017-02-23 06:26:44 +08:00
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2017-06-21 21:54:28 +08:00
< 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 >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / 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 = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // Copyright 2004-present Facebook. All Rights Reserved.< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " GpuIndexIVFPQ.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " ../IndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " ../IndexIVFPQ.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " ../ProductQuantizer.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " GpuIndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " GpuResources.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " impl/IVFPQ.cuh" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " utils/CopyUtils.cuh" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " utils/DeviceUtils.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include < limits> < / 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 { < span class = "keyword" > namespace < / span > gpu {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a56a552e8c2e29f33c39883145bd7629c" > 25< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a56a552e8c2e29f33c39883145bd7629c" > GpuIndexIVFPQ::GpuIndexIVFPQ< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > * index,< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > GpuIndexIVF< / a > (resources,< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   index-> d,< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   index-> metric_type,< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   index-> nlist,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   config),< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   ivfpqConfig_(config),< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   subQuantizers_(0),< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   bitsPerCode_(0),< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   reserveMemoryVecs_(0),< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   index_(nullptr) {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "preprocessor" > #ifndef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "preprocessor" > < / span > FAISS_ASSERT(!ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > useFloat16LookupTables< / a > );< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a8d48f79af9080b55706050244fc24f0e" > copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   }< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a245ae251f48cb435c7db18258c627b0a" > 45< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a56a552e8c2e29f33c39883145bd7629c" > GpuIndexIVFPQ::GpuIndexIVFPQ< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordtype" > int< / span > nlist,< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keywordtype" > int< / span > subQuantizers,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordtype" > int< / span > bitsPerCode,< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > metric,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html" > GpuIndexIVFPQConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > GpuIndexIVF< / a > (resources,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   dims,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   metric,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   nlist,< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   config),< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   ivfpqConfig_(config),< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   subQuantizers_(subQuantizers),< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   bitsPerCode_(bitsPerCode),< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   reserveMemoryVecs_(0),< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   index_(nullptr) {< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "preprocessor" > #ifndef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "preprocessor" > < / span > FAISS_ASSERT(!useFloat16LookupTables_);< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   verifySettings_();< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "comment" > // FIXME make IP work fully< / span > < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   FAISS_ASSERT(this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2);< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // We haven' t trained ourselves, so don' t construct the PQ index yet< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / 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 >   GpuIndexIVFPQ::~GpuIndexIVFPQ() {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "keyword" > delete< / span > index_;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / 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 > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a8d48f79af9080b55706050244fc24f0e" > 80< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a8d48f79af9080b55706050244fc24f0e" > GpuIndexIVFPQ::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 = "l00081" > < / a > < span class = "lineno" > 81< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // FIXME: support this< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   FAISS_THROW_IF_NOT_MSG(index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2,< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "stringliteral" > " inner product unsupported" < / span > );< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2" > GpuIndexIVF::copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // Clear out our old data< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keyword" > delete< / span > index_;< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   index_ = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   subQuantizers_ = index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > M< / a > ;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   bitsPerCode_ = index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#ac920fea11f02e8407d12cc99a09f5ea5" > nbits< / a > ;< / div >
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< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < / div >
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< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "comment" > // We only support this< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a13bf69a0dc7b4e45792d10f458e4a92d" > byte_per_idx< / a > == 1);< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#afd13b471df293ae5a6e895704c69a4c3" > by_residual< / a > );< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a3093a0a3e128eafce6e0583b75e9662e" > polysemous_ht< / a > == 0);< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > = (bool) index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a1c66ff073c18a1edbe8444c24d870583" > use_precomputed_table< / a > ;< / 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 >   verifySettings_();< / div >
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< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < / div >
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< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > // The other index might not be trained< / span > < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > if< / span > (!index-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > ) {< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keywordflow" > return< / 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 >   < span class = "comment" > // Otherwise, we can populate ourselves from the other index< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > true< / 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" > // Copy our lists as well< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // The product quantizer must have data in it< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > centroids< / a > .size() > 0);< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   index_ = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html" > IVFPQ< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7" > getGpuData< / a > (),< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   subQuantizers_,< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   bitsPerCode_,< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   (< span class = "keywordtype" > float< / span > *) index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > centroids< / a > .data(),< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > indicesOptions< / a > ,< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > useFloat16LookupTables< / a > ,< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > memorySpace_< / a > );< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "comment" > // Doesn' t make sense to reserve memory here< / span > < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#adcee5dbf48c3cb6b8a67f5f392e155fd" > setPrecomputedCodes< / a > (ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > );< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // Copy database vectors, if any< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < index-> codes.size(); ++i) {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keyword" > auto< / span > & codes = index-> codes[i];< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keyword" > auto< / span > & ids = index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i];< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   FAISS_ASSERT(ids.size() * subQuantizers_ == codes.size());< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > // GPU index can only support max int entries per list< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   FAISS_THROW_IF_NOT_FMT(ids.size() < =< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   (size_t) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "stringliteral" > " GPU inverted list can only support " < / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "stringliteral" > " %zu entries; %zu found" < / span > ,< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   (size_t) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   ids.size());< / div >
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< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < / div >
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< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   index_-> addCodeVectorsFromCpu(i, codes.data(), ids.data(), ids.size());< / 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 >   }< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#aad10de2407911e9adf42c1be5c5dd390" > 145< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#aad10de2407911e9adf42c1be5c5dd390" > GpuIndexIVFPQ::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 = "l00146" > < / a > < span class = "lineno" > 146< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
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< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < / div >
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< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // We must have the indices in order to copy to ourselves< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   FAISS_THROW_IF_NOT_MSG(ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > indicesOptions< / a > != INDICES_IVF,< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "stringliteral" > " Cannot copy to CPU as GPU index doesn' t retain " < / span > < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "stringliteral" > " indices (INDICES_IVF)" < / span > );< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1db0a796b8b2917d989952c5f07fbe55" > GpuIndexIVF::copyTo< / a > (index);< / div >
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< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < / div >
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< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "comment" > // IndexIVFPQ information< / span > < / div >
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< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "comment" > //< / span > < / div >
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< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#afd13b471df293ae5a6e895704c69a4c3" > by_residual< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a1c66ff073c18a1edbe8444c24d870583" > use_precomputed_table< / a > = 0;< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a31c6fb2faa4dadea4c0594338be7be90" > code_size< / a > = subQuantizers_;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > = < a class = "code" href = "structfaiss_1_1ProductQuantizer.html" > faiss::ProductQuantizer< / a > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , subQuantizers_, bitsPerCode_);< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a9d5373633df7a9bec4de69400b9adeed" > do_polysemous_training< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a2b14cbb5acb3fc28a4df8fde3f5567cd" > polysemous_training< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a7430fc4fa030c96497abced3b68358d4" > scan_table_threshold< / a > = 0;< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a77501995b3671e377102d2db1a93ade4" > max_codes< / a > = 0;< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a3093a0a3e128eafce6e0583b75e9662e" > polysemous_ht< / a > = 0;< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   index-> codes.clear();< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   index-> codes.resize(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > );< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a9b310195d610c3e326471b3758206b59" > precomputed_table< / a > .clear();< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "comment" > // Copy the inverted lists< / span > < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > ; ++i) {< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i] = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a5235cf241ef98e6012fd01907ec705d0" > getListIndices< / a > (i);< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   index-> codes[i] = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a98f0000872701f9f23ac2073723a0aa7" > getListCodes< / a > (i);< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   }< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // Copy PQ centroids< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "keyword" > auto< / span > devPQCentroids = index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#a3e8bff50f894c243c62e832f923e88e7" > getPQCentroids< / a > ();< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > centroids< / a > .resize(devPQCentroids.numElements());< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   fromDevice< float, 3> (devPQCentroids,< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > .< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > centroids< / a > .data(),< / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > getDefaultStream< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ));< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > if< / span > (ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > ) {< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#ad99c215aeaf92e995cb97f4044c4d267" > precompute_table< / a > ();< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   }< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   }< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   }< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a4e7d62e21f7e23fa4e94c69131389eea" > 195< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a4e7d62e21f7e23fa4e94c69131389eea" > GpuIndexIVFPQ::reserveMemory< / a > (< span class = "keywordtype" > size_t< / span > numVecs) {< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   reserveMemoryVecs_ = numVecs;< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a02e1e2d080ee31bf7835f89b9f2a13a9" > reserveMemory< / a > (numVecs);< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   }< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   }< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#afda2894c0ce520e0d3d06eeca5ed5f0c" > 204< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#afda2894c0ce520e0d3d06eeca5ed5f0c" > GpuIndexIVFPQ::setPrecomputedCodes< / a > (< span class = "keywordtype" > bool< / span > enable) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > = enable;< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#adcee5dbf48c3cb6b8a67f5f392e155fd" > setPrecomputedCodes< / a > (enable);< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   }< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   verifySettings_();< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   }< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keywordtype" > bool< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a679b0aaa229d571aeb842673e3493cc5" > 215< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a679b0aaa229d571aeb842673e3493cc5" > GpuIndexIVFPQ::getPrecomputedCodes< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "keywordflow" > return< / span > ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > ;< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   }< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3869ea7898487334fb67ee499f38988d" > 220< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3869ea7898487334fb67ee499f38988d" > GpuIndexIVFPQ::getNumSubQuantizers< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > return< / span > subQuantizers_;< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   }< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#af87058de254e1430587a16b76f1e4377" > 225< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#af87058de254e1430587a16b76f1e4377" > GpuIndexIVFPQ::getBitsPerCode< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keywordflow" > return< / span > bitsPerCode_;< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   }< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a2f50e79af6727962cd89534438d4769e" > 230< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a2f50e79af6727962cd89534438d4769e" > GpuIndexIVFPQ::getCentroidsPerSubQuantizer< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keywordflow" > return< / span > utils::pow2(bitsPerCode_);< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   }< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordtype" > size_t< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a83831088d9593f753560965172ccb0a0" > 235< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a83831088d9593f753560965172ccb0a0" > GpuIndexIVFPQ::reclaimMemory< / a > () {< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keywordflow" > return< / span > index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#ac9b69e1b2582cb2c064b5fff60d31cc8" > reclaimMemory< / a > ();< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   }< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   }< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3a43a70461e09ef87bdb7b48ec420dd2" > 245< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a3a43a70461e09ef87bdb7b48ec420dd2" > GpuIndexIVFPQ::reset< / a > () {< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a7ea671876443c93436499ad581f16997" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   FAISS_ASSERT(this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == 0);< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   }< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   }< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   GpuIndexIVFPQ::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 = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "comment" > // Code largely copied from faiss::IndexIVFPQ< / span > < / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "comment" > // FIXME: GPUize more of this< / span > < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   n = std::min(n, (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > ) (1 < < bitsPerCode_) * 64);< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   printf(< span class = "stringliteral" > " computing residuals\n" < / span > );< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   }< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   std::vector< Index::idx_t> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (n);< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (n, x, < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > .data());< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   std::vector< float> residuals(n * < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#aaae77608bbda70b1098897e9167a82f9" > compute_residual< / a > (x + i * < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , & residuals[i * d], < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > [i]);< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   }< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   printf(< span class = "stringliteral" > " training %d x %d product quantizer on %ld vectors in %dD\n" < / span > ,< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   subQuantizers_, < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a2f50e79af6727962cd89534438d4769e" > getCentroidsPerSubQuantizer< / a > (), n, this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   }< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "comment" > // Just use the CPU product quantizer to determine sub-centroids< / span > < / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < a class = "code" href = "structfaiss_1_1ProductQuantizer.html" > faiss::ProductQuantizer< / a > pq(this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , subQuantizers_, bitsPerCode_);< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   pq.verbose = this-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ;< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   pq.train(n, residuals.data());< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   index_ = < span class = "keyword" > new< / span > IVFPQ(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7" > getGpuData< / a > (),< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   subQuantizers_,< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   bitsPerCode_,< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   pq.centroids.data(),< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > indicesOptions< / a > ,< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > useFloat16LookupTables< / a > ,< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > memorySpace_< / a > );< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > if< / span > (reserveMemoryVecs_) {< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a02e1e2d080ee31bf7835f89b9f2a13a9" > reserveMemory< / a > (reserveMemoryVecs_);< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   }< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#adcee5dbf48c3cb6b8a67f5f392e155fd" > setPrecomputedCodes< / a > (ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > );< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   }< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ac4814acafa4bc340a4c4bdcafd469b56" > 301< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ac4814acafa4bc340a4c4bdcafd469b56" > GpuIndexIVFPQ::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) {< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > ) {< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > );< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > );< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   }< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   FAISS_ASSERT(!index_);< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   trainQuantizer_(n, x);< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   trainResidualQuantizer_(n, x);< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   }< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a50e74f0621ca2fe5688825f434ad2bb2" > 320< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a50e74f0621ca2fe5688825f434ad2bb2" > GpuIndexIVFPQ::addImpl_< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > * xids) {< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < span class = "comment" > // Device is already set in GpuIndex::addInternal_< / span > < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   FAISS_ASSERT(n > 0);< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keyword" > auto< / span > stream = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html#aa0354aa570c24e17a9f8a6a45b153ed2" > getDefaultStreamCurrentDevice< / a > ();< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keyword" > auto< / span > deviceVecs =< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   toDevice< float, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "keyword" > const_cast< < / span > < span class = "keywordtype" > float< / span > *< span class = "keyword" > > < / span > (x),< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   stream,< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   {(int) n, index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a4d44e8aebc380b7c846a8d8e6e835540" > getDim< / a > ()});< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "keyword" > auto< / span > deviceIndices =< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   toDevice< Index::idx_t, 1> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "keyword" > const_cast< < / span > < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > *< span class = "keyword" > > < / span > (xids),< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   stream,< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   {(int) n});< / div >
2017-04-06 19:33:41 +08:00
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "comment" > // Not all vectors may be able to be added (some may contain NaNs< / span > < / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "comment" > // etc)< / span > < / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#ab1e07b04b25569cc58c5f3f033f4dab3" > classifyAndAddVectors< / a > (deviceVecs, deviceIndices);< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   }< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a42f619bee6ecb268442c7807e75896fe" > 349< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a42f619bee6ecb268442c7807e75896fe" > GpuIndexIVFPQ::searchImpl_< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordtype" > float< / span > * distances,< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > * labels)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "comment" > // Device is already set in GpuIndex::search< / span > < / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   FAISS_ASSERT(n > 0);< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "comment" > // Make sure arguments are on the device we desire; use temporary< / span > < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "comment" > // memory allocations to move it if necessary< / span > < / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < span class = "keyword" > auto< / span > devX =< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   toDevice< float, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keyword" > const_cast< < / span > < span class = "keywordtype" > float< / span > *< span class = "keyword" > > < / span > (x),< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   resources_-> getDefaultStream(device_),< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   {(int) n, index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a4d44e8aebc380b7c846a8d8e6e835540" > getDim< / a > ()});< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "keyword" > auto< / span > devDistances =< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   toDevice< float, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   distances,< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   resources_-> getDefaultStream(device_),< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   {(int) n, (< span class = "keywordtype" > int< / span > ) k});< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keyword" > auto< / span > devLabels =< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   toDevice< faiss::Index::idx_t, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   labels,< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   resources_-> getDefaultStream(device_),< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   {(int) n, (< span class = "keywordtype" > int< / span > ) k});< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#ab0c458aab9a3d903f31b0e63ce16e623" > query< / a > (devX,< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > nprobe_< / a > ,< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   (< span class = "keywordtype" > int< / span > ) k,< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   devDistances,< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   devLabels);< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < span class = "comment" > // Copy back if necessary< / span > < / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   fromDevice< float, 2> (< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   devDistances, distances, resources_-> getDefaultStream(device_));< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   fromDevice< faiss::Index::idx_t, 2> (< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   devLabels, labels, resources_-> getDefaultStream(device_));< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   }< / div >
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< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < / div >
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< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ab7f77961857e560b4dbb81888a8c8bf8" > 394< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#ab7f77961857e560b4dbb81888a8c8bf8" > GpuIndexIVFPQ::getListLength< / a > (< span class = "keywordtype" > int< / span > listId)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "keywordflow" > return< / span > index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a7b1ee21f9919fb077db5e48e91943582" > getListLength< / a > (listId);< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   }< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   std::vector< unsigned char> < / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a98f0000872701f9f23ac2073723a0aa7" > 400< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a98f0000872701f9f23ac2073723a0aa7" > GpuIndexIVFPQ::getListCodes< / a > (< span class = "keywordtype" > int< / span > listId)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(device_);< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < span class = "keywordflow" > return< / span > index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#a5b349dd021b11b5f48531825359b0657" > getListCodes< / a > (listId);< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   }< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   std::vector< long> < / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a5235cf241ef98e6012fd01907ec705d0" > 408< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a5235cf241ef98e6012fd01907ec705d0" > GpuIndexIVFPQ::getListIndices< / a > (< span class = "keywordtype" > int< / span > listId)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1DeviceScope.html" > DeviceScope< / a > scope(device_);< / div >
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< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   < / div >
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< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   < span class = "keywordflow" > return< / span > index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a4a4ed220b9433aa788ed32db8f20a9db" > getListIndices< / a > (listId);< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   }< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   GpuIndexIVFPQ::verifySettings_()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "comment" > // Our implementation has these restrictions:< / span > < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "comment" > // Must have some number of lists< / span > < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   FAISS_THROW_IF_NOT_MSG(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > > 0, < span class = "stringliteral" > " nlist must be > 0" < / span > );< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "comment" > // up to a single byte per code< / span > < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   FAISS_THROW_IF_NOT_FMT(bitsPerCode_ < = 8,< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < span class = "stringliteral" > " Bits per code must be < = 8 (passed %d)" < / span > , bitsPerCode_);< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < span class = "comment" > // Sub-quantizers must evenly divide dimensions available< / span > < / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   FAISS_THROW_IF_NOT_FMT(this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > % subQuantizers_ == 0,< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < span class = "stringliteral" > " Number of sub-quantizers (%d) must be an " < / span > < / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "stringliteral" > " even divisor of the number of dimensions (%d)" < / span > ,< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   subQuantizers_, this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < / div >
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< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "comment" > // The number of bytes per encoded vector must be one we support< / span > < / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   FAISS_THROW_IF_NOT_FMT(< a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#adb58eeacdceb0e0fde1820ca7f116e05" > IVFPQ::isSupportedPQCodeLength< / a > (subQuantizers_),< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "stringliteral" > " Number of bytes per encoded vector / sub-quantizers (%d) " < / span > < / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "stringliteral" > " is not supported" < / span > ,< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   subQuantizers_);< / div >
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< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < / div >
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< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "comment" > // We must have enough shared memory on the current device to store< / span > < / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "comment" > // our lookup distances< / span > < / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "keywordtype" > int< / span > lookupTableSize = < span class = "keyword" > sizeof< / span > (float);< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "preprocessor" > #ifdef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > if< / span > (ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#a9dbbec78d77d90b7b150f543e477cc49" > useFloat16LookupTables< / a > ) {< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   lookupTableSize = < span class = "keyword" > sizeof< / span > (half);< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   }< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < span class = "comment" > // 64 bytes per code is only supported with usage of float16, at 2^8< / span > < / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < span class = "comment" > // codes per subquantizer< / span > < / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "keywordtype" > size_t< / span > requiredSmemSize =< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   lookupTableSize * subQuantizers_ * utils::pow2(bitsPerCode_);< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < span class = "keywordtype" > size_t< / span > smemPerBlock = getMaxSharedMemPerBlock(device_);< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   FAISS_THROW_IF_NOT_FMT(requiredSmemSize< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < = getMaxSharedMemPerBlock(device_),< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   < span class = "stringliteral" > " Device %d has %zu bytes of shared memory, while " < / span > < / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < span class = "stringliteral" > " %d bits per code and %d sub-quantizers requires %zu " < / span > < / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "stringliteral" > " bytes. Consider useFloat16LookupTables and/or " < / span > < / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "stringliteral" > " reduce parameters" < / span > ,< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   device_, smemPerBlock, bitsPerCode_, subQuantizers_,< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   requiredSmemSize);< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   < span class = "comment" > // If precomputed codes are disabled, we have an extra limitation in< / span > < / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < span class = "comment" > // terms of the number of dimensions per subquantizer< / span > < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   FAISS_THROW_IF_NOT_FMT(ivfpqConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFPQConfig.html#ae5b5c7acc06743e5bcca197bc33c30ec" > usePrecomputedTables< / a > ||< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1IVFPQ.html#a0eedf0295ad73125ee1254173a176674" > IVFPQ::isSupportedNoPrecomputedSubDimSize< / a > (< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   this-> d / subQuantizers_),< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "stringliteral" > " Number of dimensions per sub-quantizer (%d) " < / span > < / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < span class = "stringliteral" > " is unsupported with precomputed codes" < / span > ,< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   this-> d / subQuantizers_);< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < span class = "comment" > // TODO: fully implement METRIC_INNER_PRODUCT< / span > < / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   FAISS_THROW_IF_NOT_MSG(this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2,< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "stringliteral" > " METRIC_INNER_PRODUCT is currently unsupported" < / span > );< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   }< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   } } < 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#l00408" > GpuIndexIVFPQ.cu:408< / 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#l00349" > GpuIndexIVFPQ.cu:349< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_ad99c215aeaf92e995cb97f4044c4d267" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#ad99c215aeaf92e995cb97f4044c4d267" > faiss::IndexIVFPQ::precompute_table< / a > < / div > < div class = "ttdeci" > void precompute_table()< / div > < div class = "ttdoc" > build precomputed table < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8cpp_source.html#l00391" > IndexIVFPQ.cpp:391< / 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#l00245" > GpuIndexIVFPQ.cu:245< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_ac920fea11f02e8407d12cc99a09f5ea5" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#ac920fea11f02e8407d12cc99a09f5ea5" > faiss::ProductQuantizer::nbits< / a > < / div > < div class = "ttdeci" > size_t nbits< / div > < div class = "ttdoc" > number of bits per quantization index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00029" > ProductQuantizer.h:29< / a > < / div > < / div >
2017-07-26 18:11:01 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuResources_html_aa0354aa570c24e17a9f8a6a45b153ed2" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuResources.html#aa0354aa570c24e17a9f8a6a45b153ed2" > faiss::gpu::GpuResources::getDefaultStreamCurrentDevice< / a > < / div > < div class = "ttdeci" > cudaStream_t getDefaultStreamCurrentDevice()< / div > < div class = "ttdoc" > Calls getDefaultStream with the current device. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuResources_8cpp_source.html#l00025" > GpuResources.cpp:25< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< 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#l00036" > GpuIndexIVFPQ.h:36< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a2b14cbb5acb3fc28a4df8fde3f5567cd" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a2b14cbb5acb3fc28a4df8fde3f5567cd" > faiss::IndexIVFPQ::polysemous_training< / a > < / div > < div class = "ttdeci" > PolysemousTraining * polysemous_training< / div > < div class = "ttdoc" > if NULL, use default < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00036" > IndexIVFPQ.h:36< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_a13bf69a0dc7b4e45792d10f458e4a92d" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#a13bf69a0dc7b4e45792d10f458e4a92d" > faiss::ProductQuantizer::byte_per_idx< / a > < / div > < div class = "ttdeci" > size_t byte_per_idx< / div > < div class = "ttdoc" > nb bytes per code component (1 or 2) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00033" > ProductQuantizer.h:33< / 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#l00025" > GpuIndexIVFPQ.cu:25< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFBase_html_a4d44e8aebc380b7c846a8d8e6e835540" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFBase.html#a4d44e8aebc380b7c846a8d8e6e835540" > faiss::gpu::IVFBase::getDim< / a > < / div > < div class = "ttdeci" > int getDim() const < / div > < div class = "ttdoc" > Return the number of dimensions we are indexing. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFBase_8cu_source.html#l00100" > IVFBase.cu:100< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFBase_html_a7b1ee21f9919fb077db5e48e91943582" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFBase.html#a7b1ee21f9919fb077db5e48e91943582" > faiss::gpu::IVFBase::getListLength< / a > < / div > < div class = "ttdeci" > int getListLength(int listId) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFBase_8cu_source.html#l00200" > IVFBase.cu:200< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a310b00d4443920a855b11276d488c9a7" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7" > faiss::gpu::GpuIndexFlat::getGpuData< / a > < / div > < div class = "ttdeci" > FlatIndex * getGpuData()< / div > < div class = "ttdoc" > For internal access. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00120" > GpuIndexFlat.h:120< / 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#l00023" > Index.cpp:23< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFBase_html_a02e1e2d080ee31bf7835f89b9f2a13a9" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFBase.html#a02e1e2d080ee31bf7835f89b9f2a13a9" > faiss::gpu::IVFBase::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 = "IVFBase_8cu_source.html#l00045" > IVFBase.cu:45< / 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#l00394" > GpuIndexIVFPQ.cu:394< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a9d5373633df7a9bec4de69400b9adeed" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a9d5373633df7a9bec4de69400b9adeed" > faiss::IndexIVFPQ::do_polysemous_training< / a > < / div > < div class = "ttdeci" > bool do_polysemous_training< / div > < div class = "ttdoc" > reorder PQ centroids after training? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00035" > IndexIVFPQ.h:35< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a7430fc4fa030c96497abced3b68358d4" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a7430fc4fa030c96497abced3b68358d4" > faiss::IndexIVFPQ::scan_table_threshold< / a > < / div > < div class = "ttdeci" > size_t scan_table_threshold< / div > < div class = "ttdoc" > use table computation or on-the-fly? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00039" > IndexIVFPQ.h:39< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a9b310195d610c3e326471b3758206b59" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a9b310195d610c3e326471b3758206b59" > faiss::IndexIVFPQ::precomputed_table< / a > < / div > < div class = "ttdeci" > std::vector< float > precomputed_table< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00047" > IndexIVFPQ.h:47< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a3093a0a3e128eafce6e0583b75e9662e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a3093a0a3e128eafce6e0583b75e9662e" > faiss::IndexIVFPQ::polysemous_ht< / a > < / div > < div class = "ttdeci" > int polysemous_ht< / div > < div class = "ttdoc" > Hamming thresh for polysemous filtering. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00041" > IndexIVFPQ.h:41< / 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#l00023" > GpuResources.h:23< / 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#l00225" > GpuIndexIVFPQ.cu:225< / 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#l00032" > GpuIndexIVFPQ.h:32< / a > < / div > < / div >
2017-07-26 18:11:01 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuResources_html_a6c564198df6ba675920c993e2af34b8c" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuResources.html#a6c564198df6ba675920c993e2af34b8c" > faiss::gpu::GpuResources::getDefaultStream< / a > < / div > < div class = "ttdeci" > virtual cudaStream_t getDefaultStream(int device)=0< / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_af16d325f5bef22b2e5f90ceea796e80d" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > faiss::IndexIVF::ids< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< long > > ids< / div > < div class = "ttdoc" > Inverted lists for indexes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00055" > IndexIVF.h:55< / a > < / div > < / div >
< div class = "ttc" id = "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#l00037" > GpuIndexIVF.h:37< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00064" > Index.h:64< / a > < / div > < / div >
< div class = "ttc" id = "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#l00301" > GpuIndexIVFPQ.cu:301< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a77501995b3671e377102d2db1a93ade4" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a77501995b3671e377102d2db1a93ade4" > faiss::IndexIVFPQ::max_codes< / a > < / div > < div class = "ttdeci" > size_t max_codes< / div > < div class = "ttdoc" > max nb of codes to visit to do a query < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00040" > IndexIVFPQ.h:40< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_adb58eeacdceb0e0fde1820ca7f116e05" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#adb58eeacdceb0e0fde1820ca7f116e05" > faiss::gpu::IVFPQ::isSupportedPQCodeLength< / a > < / div > < div class = "ttdeci" > static bool isSupportedPQCodeLength(int size)< / div > < div class = "ttdoc" > Returns true if we support PQ in this size. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cu_source.html#l00072" > IVFPQ.cu:72< / 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#l00235" > GpuIndexIVFPQ.cu:235< / 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#l00023" > GpuIndexIVFPQ.h:23< / 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#l00029" > IndexIVFPQ.h:29< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a187bdcbbac02bf8fd0e6bb40a1c0426b" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > faiss::gpu::GpuIndexIVF::nprobe_< / a > < / div > < div class = "ttdeci" > int nprobe_< / div > < div class = "ttdoc" > Number of inverted list probes per query. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00086" > GpuIndexIVF.h:86< / 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#l00195" > GpuIndexIVFPQ.cu:195< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_ab1e07b04b25569cc58c5f3f033f4dab3" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#ab1e07b04b25569cc58c5f3f033f4dab3" > faiss::gpu::IVFPQ::classifyAndAddVectors< / a > < / div > < div class = "ttdeci" > int classifyAndAddVectors(Tensor< float, 2, true > & vecs, Tensor< long, 1, true > & indices)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cu_source.html#l00120" > IVFPQ.cu:120< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_ab0c458aab9a3d903f31b0e63ce16e623" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#ab0c458aab9a3d903f31b0e63ce16e623" > faiss::gpu::IVFPQ::query< / a > < / div > < div class = "ttdeci" > void query(Tensor< float, 2, true > & queries, int nprobe, int k, Tensor< float, 2, true > & outDistances, Tensor< long, 2, true > & outIndices)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cu_source.html#l00519" > IVFPQ.cu:519< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html_a67750633faa35677ee505a1e61cfe142" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > faiss::gpu::GpuIndex::device_< / a > < / div > < div class = "ttdeci" > const int device_< / div > < div class = "ttdoc" > The GPU device we are resident on. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00094" > GpuIndex.h:94< / 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#l00080" > GpuIndexIVFPQ.cu:80< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_a3e8bff50f894c243c62e832f923e88e7" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#a3e8bff50f894c243c62e832f923e88e7" > faiss::gpu::IVFPQ::getPQCentroids< / a > < / div > < div class = "ttdeci" > Tensor< float, 3, true > getPQCentroids()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cu_source.html#l00594" > IVFPQ.cu:594< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html_a17b82a8a11783da6eb1b07c9aab98c36" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > faiss::gpu::GpuIndex::resources_< / a > < / div > < div class = "ttdeci" > GpuResources * resources_< / div > < div class = "ttdoc" > Manages streans, cuBLAS handles and scratch memory for devices. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00091" > GpuIndex.h:91< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a1db0a796b8b2917d989952c5f07fbe55" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1db0a796b8b2917d989952c5f07fbe55" > faiss::gpu::GpuIndexIVF::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexIVF *index) const < / div > < div class = "ttdoc" > Copy what we have to the CPU equivalent. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00148" > GpuIndexIVF.cu:148< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00062" > Index.h:62< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_aba606c141e714fab843493cc58167494" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > faiss::gpu::GpuIndexIVF::nlist_< / a > < / div > < div class = "ttdeci" > int nlist_< / div > < div class = "ttdoc" > Number of inverted lists that we manage. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00083" > GpuIndexIVF.h:83< / 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#l00320" > GpuIndexIVFPQ.cu:320< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > faiss::Index::ntotal< / a > < / div > < div class = "ttdeci" > idx_t ntotal< / div > < div class = "ttdoc" > total nb of indexed vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00065" > Index.h:65< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a5590d847c5c2b958affd2a05e58a6f23" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > faiss::Index::verbose< / a > < / div > < div class = "ttdeci" > bool verbose< / div > < div class = "ttdoc" > verbosity level < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_adcee5dbf48c3cb6b8a67f5f392e155fd" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#adcee5dbf48c3cb6b8a67f5f392e155fd" > faiss::gpu::IVFPQ::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 = "IVFPQ_8cu_source.html#l00102" > IVFPQ.cu:102< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_a5b349dd021b11b5f48531825359b0657" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#a5b349dd021b11b5f48531825359b0657" > faiss::gpu::IVFPQ::getListCodes< / a > < / div > < div class = "ttdeci" > std::vector< unsigned char > getListCodes(int listId) const < / div > < div class = "ttdoc" > Return the list codes of a particular list back to the CPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cu_source.html#l00586" > IVFPQ.cu:586< / 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#l00145" > GpuIndexIVFPQ.cu:145< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFBase_html_a7ea671876443c93436499ad581f16997" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFBase.html#a7ea671876443c93436499ad581f16997" > faiss::gpu::IVFBase::reset< / a > < / div > < div class = "ttdeci" > void reset()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFBase_8cu_source.html#l00075" > IVFBase.cu:75< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1DeviceScope_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1DeviceScope.html" > faiss::gpu::DeviceScope< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "DeviceUtils_8h_source.html#l00062" > DeviceUtils.h:62< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html_af304169eac7781b573f76d545f37b7d9" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > faiss::gpu::GpuIndex::memorySpace_< / a > < / div > < div class = "ttdeci" > const MemorySpace memorySpace_< / div > < div class = "ttdoc" > The memory space of our primary storage on the GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00097" > GpuIndex.h:97< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_afd13b471df293ae5a6e895704c69a4c3" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#afd13b471df293ae5a6e895704c69a4c3" > faiss::IndexIVFPQ::by_residual< / a > < / div > < div class = "ttdeci" > bool by_residual< / div > < div class = "ttdoc" > Encode residual or plain vector? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00030" > IndexIVFPQ.h:30< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_aaa7dd748e3cbd7ef68f2e384ac503eab" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > faiss::gpu::GpuIndexIVF::quantizer_< / a > < / div > < div class = "ttdeci" > GpuIndexFlat * quantizer_< / div > < div class = "ttdoc" > Quantizer for inverted lists. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00092" > GpuIndexIVF.h:92< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a8e18f641854b2bde83ecff0a2f9a6f4e" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > faiss::Index::metric_type< / a > < / div > < div class = "ttdeci" > MetricType metric_type< / div > < div class = "ttdoc" > type of metric this index uses for search < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00072" > Index.h:72< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a007303be116c8da65b6d058e3fc77d16" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > faiss::IndexIVFPQ::pq< / a > < / div > < div class = "ttdeci" > ProductQuantizer pq< / div > < div class = "ttdoc" > produces the codes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00033" > IndexIVFPQ.h:33< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_a83600e328893ce5f41fe459f5a3acf41" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > faiss::ProductQuantizer::M< / a > < / div > < div class = "ttdeci" > size_t M< / div > < div class = "ttdoc" > number of subquantizers < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00028" > ProductQuantizer.h:28< / 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#l00220" > GpuIndexIVFPQ.cu:220< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFBase_html_a4a4ed220b9433aa788ed32db8f20a9db" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFBase.html#a4a4ed220b9433aa788ed32db8f20a9db" > faiss::gpu::IVFBase::getListIndices< / a > < / div > < div class = "ttdeci" > std::vector< long > getListIndices(int listId) const < / div > < div class = "ttdoc" > Return the list indices of a particular list back to the CPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFBase_8cu_source.html#l00207" > IVFBase.cu:207< / 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#l00230" > GpuIndexIVFPQ.cu:230< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a31c6fb2faa4dadea4c0594338be7be90" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a31c6fb2faa4dadea4c0594338be7be90" > faiss::IndexIVFPQ::code_size< / a > < / div > < div class = "ttdeci" > size_t code_size< / div > < div class = "ttdoc" > code size per vector in bytes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00032" > IndexIVFPQ.h:32< / 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#l00204" > GpuIndexIVFPQ.cu:204< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html" > faiss::ProductQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00025" > ProductQuantizer.h:25< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a94c2c171f9a2d27085dea9101067bdf2" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2" > faiss::gpu::GpuIndexIVF::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(const faiss::IndexIVF *index)< / div > < div class = "ttdoc" > Copy what we need from the CPU equivalent. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00080" > GpuIndexIVF.cu:80< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a6e92732617c4dbe364e7678dd8773a7f" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > faiss::Index::is_trained< / a > < / div > < div class = "ttdeci" > bool is_trained< / div > < div class = "ttdoc" > set if the Index does not require training, or if training is done already < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00069" > Index.h:69< / a > < / div > < / div >
2017-07-26 18:11:01 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_aaae77608bbda70b1098897e9167a82f9" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#aaae77608bbda70b1098897e9167a82f9" > faiss::Index::compute_residual< / a > < / div > < div class = "ttdeci" > void compute_residual(const float *x, float *residual, idx_t key) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8cpp_source.html#l00057" > Index.cpp:57< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< 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#l00215" > GpuIndexIVFPQ.cu:215< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig_html_af432221761d48e4753f501208a60264d" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > faiss::gpu::GpuIndexIVFConfig::indicesOptions< / a > < / div > < div class = "ttdeci" > IndicesOptions indicesOptions< / div > < div class = "ttdoc" > Index storage options for the GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00031" > GpuIndexIVF.h:31< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFBase_html_ac9b69e1b2582cb2c064b5fff60d31cc8" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFBase.html#ac9b69e1b2582cb2c064b5fff60d31cc8" > faiss::gpu::IVFBase::reclaimMemory< / a > < / div > < div class = "ttdeci" > size_t reclaimMemory()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFBase_8cu_source.html#l00105" > IVFBase.cu:105< / 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#l00019" > IVFPQ.cuh:19< / 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 vetsion and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00043" > Index.h:43< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a1c66ff073c18a1edbe8444c24d870583" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a1c66ff073c18a1edbe8444c24d870583" > faiss::IndexIVFPQ::use_precomputed_table< / a > < / div > < div class = "ttdeci" > int use_precomputed_table< / div > < div class = "ttdoc" > if by_residual, build precompute tables < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00031" > IndexIVFPQ.h:31< / 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#l00400" > GpuIndexIVFPQ.cu:400< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_aab1109a29ba0544358e274d727b23cae" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > faiss::ProductQuantizer::centroids< / a > < / div > < div class = "ttdeci" > std::vector< float > centroids< / div > < div class = "ttdoc" > Centroid table, size M * ksub * dsub. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00052" > ProductQuantizer.h:52< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFPQ_html_a0eedf0295ad73125ee1254173a176674" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFPQ.html#a0eedf0295ad73125ee1254173a176674" > faiss::gpu::IVFPQ::isSupportedNoPrecomputedSubDimSize< / a > < / div > < div class = "ttdeci" > static bool isSupportedNoPrecomputedSubDimSize(int dims)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFPQ_8cu_source.html#l00097" > IVFPQ.cu:97< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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