2017-02-23 06:26:44 +08:00
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< title > Faiss: /data/users/matthijs/github_faiss/faiss/gpu/GpuIndexIVFFlat.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 " GpuIndexIVFFlat.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 " ../IndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " GpuIndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " GpuResources.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " impl/IVFFlat.cuh" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " utils/CopyUtils.cuh" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " utils/DeviceUtils.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " utils/Float16.cuh" < / 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_1GpuIndexIVFFlat.html#a33fe6f13e34cd0708ae981f0c0b381ef" > 25< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a33fe6f13e34cd0708ae981f0c0b381ef" > GpuIndexIVFFlat::GpuIndexIVFFlat< / 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_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > * index,< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html" > GpuIndexIVFFlatConfig< / 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 >   ivfFlatConfig_(config),< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   reserveMemoryVecs_(0),< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   index_(nullptr) {< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "preprocessor" > #ifndef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "preprocessor" > < / span > FAISS_THROW_IF_NOT_MSG(!ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html#ab98ac354bcd5632976f7edc2deda6e57" > useFloat16IVFStorage< / a > ,< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "stringliteral" > " float16 unsupported; need CUDA SDK > = 7.5" < / span > );< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3" > copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   }< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a94ca17bf69483ae7b9067f01da50d642" > 44< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a33fe6f13e34cd0708ae981f0c0b381ef" > GpuIndexIVFFlat::GpuIndexIVFFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordtype" > int< / span > nlist,< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > metric,< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html" > GpuIndexIVFFlatConfig< / a > config) :< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > GpuIndexIVF< / a > (resources, dims, metric, nlist, config),< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   ivfFlatConfig_(config),< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   reserveMemoryVecs_(0),< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   index_(nullptr) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "comment" > // faiss::Index params< / span > < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / 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 = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "preprocessor" > #ifndef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "preprocessor" > < / span > FAISS_THROW_IF_NOT_MSG(!ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html#ab98ac354bcd5632976f7edc2deda6e57" > useFloat16IVFStorage< / a > ,< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "stringliteral" > " float16 unsupported; need CUDA SDK > = 7.5" < / span > );< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > // We haven' t trained ourselves, so don' t construct the IVFFlat< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // index yet< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   }< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   GpuIndexIVFFlat::~GpuIndexIVFFlat() {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keyword" > delete< / span > index_;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   }< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a329d7734f1285788d10c1fbf1f88d72f" > 71< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a329d7734f1285788d10c1fbf1f88d72f" > GpuIndexIVFFlat::reserveMemory< / a > (< span class = "keywordtype" > size_t< / span > numVecs) {< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   reserveMemoryVecs_ = numVecs;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a02e1e2d080ee31bf7835f89b9f2a13a9" > reserveMemory< / a > (numVecs);< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   }< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   }< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3" > 79< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3" > GpuIndexIVFFlat::copyFrom< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > * index) {< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / 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 = "l00081" > < / a > < span class = "lineno" > 81< / span >   < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2" > GpuIndexIVF::copyFrom< / a > (index);< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // Clear out our old data< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keyword" > delete< / span > index_;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   index_ = < span class = "keyword" > nullptr< / span > ;< / 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" > // The other index might not be trained< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / 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 = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > return< / 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 >   < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // Otherwise, we can populate ourselves from the other index< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / 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 = "l00095" > < / a > < span class = "lineno" > 95< / span >   < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "comment" > // Copy our lists as well< / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   index_ = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1IVFFlat.html" > IVFFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / 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 = "l00099" > < / a > < span class = "lineno" > 99< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2,< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html#ab98ac354bcd5632976f7edc2deda6e57" > useFloat16IVFStorage< / a > ,< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > indicesOptions< / a > ,< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > memorySpace_< / a > );< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > vecs< / a > .size() == index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > .size());< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < index-> < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > vecs< / a > .size(); ++i) {< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keyword" > auto< / span > & vecs = index-> < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > vecs< / a > [i];< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / 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 = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   FAISS_ASSERT(vecs.size() % this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > == 0);< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keyword" > auto< / span > numVecs = vecs.size() / this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   FAISS_ASSERT(numVecs == ids.size());< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // GPU index can only support max int entries per list< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   FAISS_THROW_IF_NOT_FMT(ids.size() < =< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   (size_t) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "stringliteral" > " GPU inverted list can only support " < / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "stringliteral" > " %zu entries; %zu found" < / span > ,< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   (size_t) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   ids.size());< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFFlat.html#a0bedde6dcb7c2f10f277461b97486f52" > addCodeVectorsFromCpu< / a > (i, vecs.data(), ids.data(), numVecs);< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   }< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   }< / 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 = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a345980d7ae4b5baadf93f647fc6cb0b1" > 126< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a345980d7ae4b5baadf93f647fc6cb0b1" > GpuIndexIVFFlat::copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > * index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / 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 = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "comment" > // We must have the indices in order to copy to ourselves< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   FAISS_THROW_IF_NOT_MSG(ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > indicesOptions< / a > != INDICES_IVF,< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "stringliteral" > " Cannot copy to CPU as GPU index doesn' t retain " < / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "stringliteral" > " indices (INDICES_IVF)" < / span > );< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1db0a796b8b2917d989952c5f07fbe55" > GpuIndexIVF::copyTo< / a > (index);< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "comment" > // Clear out the old inverted lists< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > vecs< / a > .clear();< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > vecs< / a > .resize(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > );< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "comment" > // Copy the inverted lists< / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / 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 = "l00143" > < / a > < span class = "lineno" > 143< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > vecs< / a > [i] = index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFFlat.html#a78473b609750b8ec7dfe3d137f50c650" > getListVectors< / a > (i);< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d" > ids< / a > [i] = index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a4a4ed220b9433aa788ed32db8f20a9db" > getListIndices< / a > (i);< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   }< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   }< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   }< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordtype" > size_t< / span > < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#adaa727f3e951068501ebf381b001f3bd" > 150< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#adaa727f3e951068501ebf381b001f3bd" > GpuIndexIVFFlat::reclaimMemory< / a > () {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / 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 = "l00153" > < / a > < span class = "lineno" > 153< / span >   < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / 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 = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   }< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a88676a893e9b44041e7a52327d960b54" > 161< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a88676a893e9b44041e7a52327d960b54" > GpuIndexIVFFlat::reset< / a > () {< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "keywordflow" > if< / span > (index_) {< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / 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 = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a7ea671876443c93436499ad581f16997" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   FAISS_ASSERT(this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == 0);< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   }< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   }< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3c5b3760acb01814892fe93c72f08304" > 173< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3c5b3760acb01814892fe93c72f08304" > GpuIndexIVFFlat::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 = "l00174" > < / a > < span class = "lineno" > 174< / 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 = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / 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 = "l00177" > < / a > < span class = "lineno" > 177< / 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 = "l00178" > < / a > < span class = "lineno" > 178< / 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 = "l00179" > < / a > < span class = "lineno" > 179< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   }< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   FAISS_ASSERT(!index_);< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   trainQuantizer_(n, x);< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // The quantizer is now trained; construct the IVF index< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   index_ = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1IVFFlat.html" > IVFFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / 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 = "l00190" > < / a > < span class = "lineno" > 190< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2,< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html#ab98ac354bcd5632976f7edc2deda6e57" > useFloat16IVFStorage< / a > ,< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   ivfFlatConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#af432221761d48e4753f501208a60264d" > indicesOptions< / a > ,< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#af304169eac7781b573f76d545f37b7d9" > memorySpace_< / a > );< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keywordflow" > if< / span > (reserveMemoryVecs_) {< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a02e1e2d080ee31bf7835f89b9f2a13a9" > reserveMemory< / a > (reserveMemoryVecs_);< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   }< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / 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 = "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 >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a64bd89e18b8199ae7a88066890b10a0e" > 203< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a64bd89e18b8199ae7a88066890b10a0e" > GpuIndexIVFFlat::addImpl_< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / 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 = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "comment" > // Device is already set in GpuIndex::addInternal_< / span > < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   FAISS_ASSERT(n > 0);< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < / div >
2017-07-26 18:11:01 +08:00
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / 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 = "l00211" > < / a > < span class = "lineno" > 211< / span >   < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keyword" > auto< / span > deviceVecs =< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   toDevice< float, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keyword" > const_cast< < / span > < span class = "keywordtype" > float< / span > *< span class = "keyword" > > < / span > (x),< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   stream,< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   {(int) n, index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFBase.html#a4d44e8aebc380b7c846a8d8e6e835540" > getDim< / a > ()});< / div >
2017-04-06 19:33:41 +08:00
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   static_assert(< span class = "keyword" > sizeof< / span > (< span class = "keywordtype" > long< / span > ) == < span class = "keyword" > sizeof< / span > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > ), < span class = "stringliteral" > " size mismatch" < / span > );< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keyword" > auto< / span > deviceIds =< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   toDevice< long, 1> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "keyword" > const_cast< < / span > < span class = "keywordtype" > long< / span > *< span class = "keyword" > > < / span > (xids),< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   stream,< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   {(int) n});< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "comment" > // Not all vectors may be able to be added (some may contain NaNs< / span > < / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "comment" > // etc)< / span > < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFFlat.html#af20f96b6ad754664796c8a4e7f83ed3a" > classifyAndAddVectors< / a > (deviceVecs, deviceIds);< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   }< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3285302b227052fee57b3df10c2a482b" > 233< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3285302b227052fee57b3df10c2a482b" > GpuIndexIVFFlat::searchImpl_< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordtype" > float< / span > * distances,< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / 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 = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "comment" > // Device is already set in GpuIndex::search< / span > < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   FAISS_ASSERT(index_);< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   FAISS_ASSERT(n > 0);< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keyword" > auto< / span > stream = resources_-> getDefaultStream(device_);< / div >
2017-04-06 19:33:41 +08:00
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "comment" > // Make sure arguments are on the device we desire; use temporary< / span > < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "comment" > // memory allocations to move it if necessary< / span > < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keyword" > auto< / span > devX =< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   toDevice< float, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "keyword" > const_cast< < / span > < span class = "keywordtype" > float< / span > *< span class = "keyword" > > < / span > (x),< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   stream,< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   {(int) n, this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > });< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "keyword" > auto< / span > devDistances =< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   toDevice< float, 2> (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > ,< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   distances,< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   stream,< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   {(int) n, (< span class = "keywordtype" > int< / span > ) k});< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keyword" > auto< / span > devLabels =< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / 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 = "l00260" > < / a > < span class = "lineno" > 260< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ,< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   labels,< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   stream,< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   {(int) n, (< span class = "keywordtype" > int< / span > ) k});< / 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 >   index_-> < a class = "code" href = "classfaiss_1_1gpu_1_1IVFFlat.html#a6652ca90a8a30512104fc909f0a0a6b8" > query< / a > (devX, < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > nprobe_< / a > , k, devDistances, devLabels);< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "comment" > // Copy back if necessary< / span > < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   fromDevice< float, 2> (devDistances, distances, stream);< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   fromDevice< faiss::Index::idx_t, 2> (devLabels, labels, stream);< / 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 >   < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   } } < span class = "comment" > // namespace< / span > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFFlat_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFFlat.html" > faiss::gpu::IVFFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFFlat_8cuh_source.html#l00017" > IVFFlat.cuh:17< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a33fe6f13e34cd0708ae981f0c0b381ef" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a33fe6f13e34cd0708ae981f0c0b381ef" > faiss::gpu::GpuIndexIVFFlat::GpuIndexIVFFlat< / a > < / div > < div class = "ttdeci" > GpuIndexIVFFlat(GpuResources *resources, const faiss::IndexIVFFlat *index, GpuIndexIVFFlatConfig config=GpuIndexIVFFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8cu_source.html#l00025" > GpuIndexIVFFlat.cu:25< / 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 = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a3285302b227052fee57b3df10c2a482b" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3285302b227052fee57b3df10c2a482b" > faiss::gpu::GpuIndexIVFFlat::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 = "GpuIndexIVFFlat_8cu_source.html#l00233" > GpuIndexIVFFlat.cu:233< / 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_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 = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a96fd66c31c7e46b1549ed61d1b3476f3" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3" > faiss::gpu::GpuIndexIVFFlat::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(const faiss::IndexIVFFlat *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8cu_source.html#l00079" > GpuIndexIVFFlat.cu:79< / 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_1GpuIndexIVFFlat_html_adaa727f3e951068501ebf381b001f3bd" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#adaa727f3e951068501ebf381b001f3bd" > faiss::gpu::GpuIndexIVFFlat::reclaimMemory< / a > < / div > < div class = "ttdeci" > size_t reclaimMemory()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8cu_source.html#l00150" > GpuIndexIVFFlat.cu:150< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig_html_ab98ac354bcd5632976f7edc2deda6e57" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html#ab98ac354bcd5632976f7edc2deda6e57" > faiss::gpu::GpuIndexIVFFlatConfig::useFloat16IVFStorage< / a > < / div > < div class = "ttdeci" > bool useFloat16IVFStorage< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8h_source.html#l00029" > GpuIndexIVFFlat.h:29< / 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 >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00132" > IndexIVF.h:132< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a64bd89e18b8199ae7a88066890b10a0e" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a64bd89e18b8199ae7a88066890b10a0e" > faiss::gpu::GpuIndexIVFFlat::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 = "GpuIndexIVFFlat_8cu_source.html#l00203" > GpuIndexIVFFlat.cu:203< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a3c5b3760acb01814892fe93c72f08304" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3c5b3760acb01814892fe93c72f08304" > faiss::gpu::GpuIndexIVFFlat::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 = "GpuIndexIVFFlat_8cu_source.html#l00173" > GpuIndexIVFFlat.cu:173< / a > < / div > < / div >
< 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_1IVFFlat_html_af20f96b6ad754664796c8a4e7f83ed3a" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFFlat.html#af20f96b6ad754664796c8a4e7f83ed3a" > faiss::gpu::IVFFlat::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 = "IVFFlat_8cu_source.html#l00130" > IVFFlat.cu:130< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html_a345980d7ae4b5baadf93f647fc6cb0b1" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a345980d7ae4b5baadf93f647fc6cb0b1" > faiss::gpu::GpuIndexIVFFlat::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexIVFFlat *index) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8cu_source.html#l00126" > GpuIndexIVFFlat.cu:126< / 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_1GpuIndexIVFFlat_html_a329d7734f1285788d10c1fbf1f88d72f" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a329d7734f1285788d10c1fbf1f88d72f" > faiss::gpu::GpuIndexIVFFlat::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 = "GpuIndexIVFFlat_8cu_source.html#l00071" > GpuIndexIVFFlat.cu:71< / 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_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 = "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 = "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_1IVFFlat_html_a0bedde6dcb7c2f10f277461b97486f52" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFFlat.html#a0bedde6dcb7c2f10f277461b97486f52" > faiss::gpu::IVFFlat::addCodeVectorsFromCpu< / a > < / div > < div class = "ttdeci" > void addCodeVectorsFromCpu(int listId, const float *vecs, const long *indices, size_t numVecs)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFFlat_8cu_source.html#l00058" > IVFFlat.cu:58< / 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 = "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 = "classfaiss_1_1gpu_1_1IVFFlat_html_a6652ca90a8a30512104fc909f0a0a6b8" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFFlat.html#a6652ca90a8a30512104fc909f0a0a6b8" > faiss::gpu::IVFFlat::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 = "IVFFlat_8cu_source.html#l00288" > IVFFlat.cu:288< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IVFFlat_html_a78473b609750b8ec7dfe3d137f50c650" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IVFFlat.html#a78473b609750b8ec7dfe3d137f50c650" > faiss::gpu::IVFFlat::getListVectors< / a > < / div > < div class = "ttdeci" > std::vector< float > getListVectors(int listId) const < / div > < div class = "ttdoc" > Return the vectors of a particular list back to the CPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFFlat_8cu_source.html#l00354" > IVFFlat.cu:354< / 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 = "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_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 >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFFlatConfig.html" > faiss::gpu::GpuIndexIVFFlatConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8h_source.html#l00022" > GpuIndexIVFFlat.h:22< / 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_1GpuIndexIVFFlat_html_a88676a893e9b44041e7a52327d960b54" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a88676a893e9b44041e7a52327d960b54" > faiss::gpu::GpuIndexIVFFlat::reset< / a > < / div > < div class = "ttdeci" > void reset() override< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8cu_source.html#l00161" > GpuIndexIVFFlat.cu:161< / 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 >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html_a52f87a2c6a9282b5b74a8615fef1b4b7" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html#a52f87a2c6a9282b5b74a8615fef1b4b7" > faiss::IndexIVFFlat::vecs< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< float > > vecs< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00135" > IndexIVF.h:135< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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