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2017-02-23 06:26:44 +08:00
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< div class = "title" > GpuIndexIVF.cu< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > /**< / span > < / div >
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< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) Facebook, Inc. and its affiliates.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > * This source code is licensed under the MIT license found in the< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < / div >
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< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
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< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " GpuIndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " ../FaissAssert.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " ../IndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " ../IndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " GpuIndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " utils/DeviceUtils.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " utils/Float16.cuh" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > gpu {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   GpuIndexIVF::GpuIndexIVF(GpuResources* resources,< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > metric,< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keywordtype" > int< / span > nlist,< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   GpuIndexIVFConfig config) :< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   GpuIndex(resources, dims, metric, config),< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   ivfConfig_(std::move(config)),< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   nlist_(nlist),< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   nprobe_(1),< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   quantizer_(nullptr) {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "preprocessor" > #ifndef FAISS_USE_FLOAT16< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "preprocessor" > < / span > FAISS_THROW_IF_NOT_MSG(!ivfConfig_.flatConfig.useFloat16 & & < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   !ivfConfig_.flatConfig.useFloat16Accumulator,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "stringliteral" > " float16 unsupported; need CUDA SDK > = 7.5" < / span > );< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   init_();< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   }< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   GpuIndexIVF::init_() {< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > > 0);< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // Spherical by default if the metric is inner_product< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   this-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a520803e209b44c904b876d6b8dad23c9" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > spherical< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   }< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // here we set a low # iterations because this is typically used< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // for large clusterings< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   this-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a520803e209b44c904b876d6b8dad23c9" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9" > niter< / a > = 10;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   this-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a520803e209b44c904b876d6b8dad23c9" > cp< / a > .verbose = this-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ;< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > ) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "comment" > // Construct an empty quantizer< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   GpuIndexFlatConfig config = ivfConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#a6d357a9a67a2fed9c8e7b139712d30f6" > flatConfig< / a > ;< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > // FIXME: inherit our same device< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   config.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2) {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > = < span class = "keyword" > new< / span > GpuIndexFlatL2(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > , this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , config);< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > = < span class = "keyword" > new< / span > GpuIndexFlatIP(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > , this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , config);< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // unknown metric type< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   FAISS_ASSERT_MSG(< span class = "keyword" > false< / span > , < span class = "stringliteral" > " unknown metric type" < / 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 >   }< / 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 >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   GpuIndexIVF::~GpuIndexIVF() {< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > ;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   GpuIndexFlat*< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#afe6eb789377072b309d7a385aa0d1c5e" > 74< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#afe6eb789377072b309d7a385aa0d1c5e" > GpuIndexIVF::getQuantizer< / a > () {< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   }< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / 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_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2" > 79< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2" > GpuIndexIVF::copyFrom< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / 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 >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > ;< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7" > nlist< / a > > 0);< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   FAISS_THROW_IF_NOT_FMT(index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7" > nlist< / a > < =< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   (< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > ) std::numeric_limits< int> ::max(),< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "stringliteral" > " GPU index only supports %zu inverted lists" < / span > ,< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   (< span class = "keywordtype" > size_t< / span > ) std::numeric_limits< int> ::max());< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > = index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7" > nlist< / a > ;< / 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 >   FAISS_THROW_IF_NOT_FMT(index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > > 0 & & < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > < = getMaxKSelection(),< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "stringliteral" > " GPU index only supports nprobe < = %zu; passed %zu" < / span > ,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   (< span class = "keywordtype" > size_t< / span > ) getMaxKSelection(),< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > );< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > nprobe_< / a > = index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ;< / div >
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< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
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< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // The metric type may have changed as well, so we might have to< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // change our quantizer< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keyword" > delete< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > ;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
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< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
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< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > // Construct an empty quantizer< / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = ivfConfig_.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#a6d357a9a67a2fed9c8e7b139712d30f6" > flatConfig< / a > ;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > // FIXME: inherit our same device< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   config.< a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > device< / a > = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2) {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // FIXME: 2 different float16 options?< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html" > GpuIndexFlatL2< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > , this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , config);< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // FIXME: 2 different float16 options?< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html" > GpuIndexFlatIP< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36" > resources_< / a > , this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , config);< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > // unknown metric type< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   FAISS_ASSERT(< span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keywordflow" > if< / span > (!index-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > ) {< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / 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 = "l00122" > < / a > < span class = "lineno" > 122< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = 0;< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordflow" > return< / 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 >   < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "comment" > // Otherwise, we can populate ourselves from the other index< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / 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 = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "comment" > // ntotal can exceed max int, but the number of vectors per inverted< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "comment" > // list cannot exceed this. We check this in the subclasses.< / span > < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > // Since we' re trained, the quantizer must have data< / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   FAISS_ASSERT(index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > > 0);< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2) {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keyword" > auto< / span > q = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > *< span class = "keyword" > > < / span > (index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > );< / div >
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< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   FAISS_ASSERT(q);< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > copyFrom< / a > (q);< / div >
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< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keyword" > auto< / span > q = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > *< span class = "keyword" > > < / span > (index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > );< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   FAISS_ASSERT(q);< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > copyFrom< / a > (q);< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "comment" > // unknown metric type< / span > < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   FAISS_ASSERT(< span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   }< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   }< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1db0a796b8b2917d989952c5f07fbe55" > 153< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1db0a796b8b2917d989952c5f07fbe55" > GpuIndexIVF::copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > * index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / 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 = "l00155" > < / a > < span class = "lineno" > 155< / span >   < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "comment" > // Index information< / span > < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > ;< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = this-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > ;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "comment" > // IndexIVF information< / span > < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7" > nlist< / a > = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > ;< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > = < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > nprobe_< / a > ;< / 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 >   < span class = "comment" > // Construct and copy the appropriate quantizer< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * q = < span class = "keyword" > nullptr< / span > ;< / 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 > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_L2) {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   q = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / 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" > else< / span > < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > == faiss::METRIC_INNER_PRODUCT) {< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   q = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // unknown metric type< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   FAISS_ASSERT(< span class = "keyword" > false< / 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 >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   FAISS_ASSERT(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > );< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > copyTo< / a > (q);< / 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 = "keywordflow" > if< / span > (index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > ) {< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keyword" > delete< / span > index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > ;< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   }< / 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 >   index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > = q;< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > quantizer_trains_alone< / a > = 0;< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   index-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#abb7097ed40b15ba0af08af6d03608f72" > cp< / a > = this-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a520803e209b44c904b876d6b8dad23c9" > cp< / a > ;< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   index-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > maintain_direct_map< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   index-> direct_map.clear();< / div >
2018-12-20 00:48:35 +08:00
< 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 >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a43a63e93d55b79eac38173f219743ddf" > 200< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a43a63e93d55b79eac38173f219743ddf" > GpuIndexIVF::getNumLists< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordtype" > void< / span > < / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1efac4b9801d57fa6d0085d6aed9c1f2" > 205< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1efac4b9801d57fa6d0085d6aed9c1f2" > GpuIndexIVF::setNumProbes< / a > (< span class = "keywordtype" > int< / span > nprobe) {< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   FAISS_THROW_IF_NOT_FMT(nprobe > 0 & & nprobe < = getMaxKSelection(),< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "stringliteral" > " GPU index only supports nprobe < = %d; passed %d" < / span > ,< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   getMaxKSelection(),< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   nprobe);< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > nprobe_< / a > = nprobe;< / div >
< 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 >   < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordtype" > int< / span > < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a13bce124f8acada641daf60d6edddb33" > 214< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a13bce124f8acada641daf60d6edddb33" > GpuIndexIVF::getNumProbes< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b" > nprobe_< / a > ;< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   }< / 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 >   < span class = "keywordtype" > bool< / span > < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a69731ab85d119127e1fe603757b28400" > 219< / a > < / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a69731ab85d119127e1fe603757b28400" > GpuIndexIVF::addImplRequiresIDs_< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "comment" > // All IVF indices have storage for IDs< / span > < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / 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" > void< / span > < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   GpuIndexIVF::trainQuantizer_(< a class = "code" href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keywordflow" > if< / span > (n == 0) {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "comment" > // nothing to do< / span > < / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / 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 >   < span class = "keywordflow" > if< / span > (< 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 > & & (< 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 = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   printf (< span class = "stringliteral" > " IVF quantizer does not need training.\n" < / span > );< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   }< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   }< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "keywordflow" > if< / span > (this-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ) {< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   printf (< span class = "stringliteral" > " Training IVF quantizer on %ld vectors in %dD\n" < / span > , n, < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > );< / 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 >   < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   DeviceScope scope(< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html#a67750633faa35677ee505a1e61cfe142" > device_< / a > );< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "comment" > // leverage the CPU-side k-means code, which works for the GPU< / span > < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "comment" > // flat index as well< / span > < / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > -> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a67161796f274a7171a67c36bdf1ef1db" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   Clustering clus(this-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494" > nlist_< / a > , this-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a520803e209b44c904b876d6b8dad23c9" > cp< / a > );< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   clus.verbose = < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > ;< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   clus.train(n, x, *< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab" > quantizer_< / a > );< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < 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 > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / 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 = "l00254" > < / a > < span class = "lineno" > 254< / span >   }< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   } } < span class = "comment" > // namespace< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00090" > IndexIVF.h:90< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a13bce124f8acada641daf60d6edddb33" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a13bce124f8acada641daf60d6edddb33" > faiss::gpu::GpuIndexIVF::getNumProbes< / a > < / div > < div class = "ttdeci" > int getNumProbes() const < / div > < div class = "ttdoc" > Returns our current number of list probes per query. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00214" > GpuIndexIVF.cu:214< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00021" > IndexFlat.h:21< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a1efac4b9801d57fa6d0085d6aed9c1f2" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1efac4b9801d57fa6d0085d6aed9c1f2" > faiss::gpu::GpuIndexIVF::setNumProbes< / a > < / div > < div class = "ttdeci" > void setNumProbes(int nprobe)< / div > < div class = "ttdoc" > Sets the number of list probes per query. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00205" > GpuIndexIVF.cu:205< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ClusteringParameters_html_a5c7c6f05c75e1668befdb3be148fd5f9" > < div class = "ttname" > < a href = "structfaiss_1_1ClusteringParameters.html#a5c7c6f05c75e1668befdb3be148fd5f9" > faiss::ClusteringParameters::niter< / a > < / div > < div class = "ttdeci" > int niter< / div > < div class = "ttdoc" > clustering iterations < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00023" > Clustering.h:23< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a43a63e93d55b79eac38173f219743ddf" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a43a63e93d55b79eac38173f219743ddf" > faiss::gpu::GpuIndexIVF::getNumLists< / a > < / div > < div class = "ttdeci" > int getNumLists() const < / div > < div class = "ttdoc" > Returns the number of inverted lists we& #39;re managing. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00200" > GpuIndexIVF.cu:200< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a046007ff2fafcafc6ae328769c700e39" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > faiss::gpu::GpuIndexFlat::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexFlat *index) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00100" > GpuIndexFlat.cu:100< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_affed235eadf27a13d753ee4d33a1dc58" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > faiss::IndexIVF::nprobe< / a > < / div > < div class = "ttdeci" > size_t nprobe< / div > < div class = "ttdoc" > number of probes at query time < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00097" > IndexIVF.h:97< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlatL2_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00077" > IndexFlat.h:77< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlatIP_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00071" > IndexFlat.h:71< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexConfig_html_aab05a0aa7b42feae7df4e556a52ead57" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexConfig.html#aab05a0aa7b42feae7df4e556a52ead57" > faiss::gpu::GpuIndexConfig::device< / a > < / div > < div class = "ttdeci" > int device< / div > < div class = "ttdoc" > GPU device on which the index is resident. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00025" > GpuIndex.h:25< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a69731ab85d119127e1fe603757b28400" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a69731ab85d119127e1fe603757b28400" > faiss::gpu::GpuIndexIVF::addImplRequiresIDs_< / a > < / div > < div class = "ttdeci" > bool addImplRequiresIDs_() const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00219" > GpuIndexIVF.cu:219< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_ad3f0d3071f987baabbdd3da4500c87ea" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00062" > Index.h:62< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > faiss::gpu::GpuIndexFlatConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00025" > GpuIndexFlat.h:25< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig_html_a6d357a9a67a2fed9c8e7b139712d30f6" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuIndexIVFConfig.html#a6d357a9a67a2fed9c8e7b139712d30f6" > faiss::gpu::GpuIndexIVFConfig::flatConfig< / a > < / div > < div class = "ttdeci" > GpuIndexFlatConfig flatConfig< / div > < div class = "ttdoc" > Configuration for the coarse quantizer object. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00032" > GpuIndexIVF.h:32< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_afe6eb789377072b309d7a385aa0d1c5e" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#afe6eb789377072b309d7a385aa0d1c5e" > faiss::gpu::GpuIndexIVF::getQuantizer< / a > < / div > < div class = "ttdeci" > GpuIndexFlat * getQuantizer()< / div > < div class = "ttdoc" > Return the quantizer we& #39;re using. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8cu_source.html#l00074" > GpuIndexIVF.cu:74< / 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#l00084" > GpuIndexIVF.h:84< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_a1dcea762fc322fdcffe64f78994edea0" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > faiss::Level1Quantizer::quantizer_trains_alone< / a > < / div > < div class = "ttdeci" > char quantizer_trains_alone< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00040" > IndexIVF.h:40< / 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#l00126" > GpuIndex.h:126< / 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 streams, cuBLAS handles and scratch memory for devices. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00123" > GpuIndex.h:123< / 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#l00153" > GpuIndexIVF.cu:153< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_abb7097ed40b15ba0af08af6d03608f72" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#abb7097ed40b15ba0af08af6d03608f72" > faiss::Level1Quantizer::cp< / a > < / div > < div class = "ttdeci" > ClusteringParameters cp< / div > < div class = "ttdoc" > to override default clustering params < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00043" > IndexIVF.h:43< / 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#l00081" > GpuIndexIVF.h:81< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< 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#l00067" > Index.h:67< / 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#l00068" > Index.h:68< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html" > faiss::gpu::GpuIndexFlatIP< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00158" > GpuIndexFlat.h:158< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_abb964875e0893de1d8334ca5ad0f62dc" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > faiss::gpu::GpuIndexFlat::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(const faiss::IndexFlat *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00067" > GpuIndexFlat.cu:67< / 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#l00068" > DeviceUtils.h:68< / 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#l00087" > GpuIndexIVF.h:87< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html" > faiss::gpu::GpuIndexFlatL2< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00133" > GpuIndexFlat.h:133< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< 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#l00074" > Index.h:74< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a67161796f274a7171a67c36bdf1ef1db" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a67161796f274a7171a67c36bdf1ef1db" > faiss::gpu::GpuIndexFlat::reset< / a > < / div > < div class = "ttdeci" > void reset() override< / div > < div class = "ttdoc" > Clears all vectors from this index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00129" > GpuIndexFlat.cu:129< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_a3cf99e2ee92b8558a066f821efab95d5" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > faiss::Level1Quantizer::quantizer< / a > < / div > < div class = "ttdeci" > Index * quantizer< / div > < div class = "ttdoc" > quantizer that maps vectors to inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00032" > IndexIVF.h:32< / a > < / div > < / div >
< div class = "ttc" id = "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#l00079" > GpuIndexIVF.cu:79< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< 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#l00071" > Index.h:71< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_aedd0c14b5654295b291638ec7f9f9517" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517" > faiss::IndexIVF::maintain_direct_map< / a > < / div > < div class = "ttdeci" > bool maintain_direct_map< / div > < div class = "ttdoc" > map for direct access to the elements. Enables reconstruct(). < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00109" > IndexIVF.h:109< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ClusteringParameters_html_ad997fb511f574f7ddc69938c21612f8d" > < div class = "ttname" > < a href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > faiss::ClusteringParameters::spherical< / a > < / div > < div class = "ttdeci" > bool spherical< / div > < div class = "ttdoc" > do we want normalized centroids? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00027" > Clustering.h:27< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_ab688c629cd42122d73517078b87f483d" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > faiss::Level1Quantizer::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > whether object owns the quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00041" > IndexIVF.h:41< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVF_html_a520803e209b44c904b876d6b8dad23c9" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html#a520803e209b44c904b876d6b8dad23c9" > faiss::gpu::GpuIndexIVF::cp< / a > < / div > < div class = "ttdeci" > ClusteringParameters cp< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVF_8h_source.html#l00075" > GpuIndexIVF.h:75< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_a1c4fc9d874d9492ee0ea27a5be388fa7" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7" > faiss::Level1Quantizer::nlist< / a > < / div > < div class = "ttdeci" > size_t nlist< / div > < div class = "ttdoc" > number of possible key values < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00033" > IndexIVF.h:33< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_afd12191c638da74760ff397cf319752c" > < div class = "ttname" > < a href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > < / div > < div class = "ttdeci" > MetricType< / div > < div class = "ttdoc" > Some algorithms support both an inner product version and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00044" > Index.h:44< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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