2017-02-23 06:26:44 +08:00
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< title > Faiss: GpuAutoTune.cpp Source File< / title >
2017-02-23 06:26:44 +08:00
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< div class = "title" > GpuAutoTune.cpp< / 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 >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > /**< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > * Copyright (c) 2015-present, Facebook, Inc.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > * All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / 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 = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " GpuAutoTune.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " GpuIndex.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " ../FaissAssert.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " ../index_io.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " ../IndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " ../IndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " ../IndexIVFPQ.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " ../VectorTransform.h" < / span > < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " GpuIndexIVFFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " GpuIndexIVFPQ.h" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #include " IndexProxy.h" < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > gpu {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "comment" > /**********************************************************< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > * Cloning from/to GPU< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > **********************************************************/< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1ToCPUCloner.html" > 33< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1gpu_1_1ToCPUCloner.html" > ToCPUCloner< / a > : < a class = "code" href = "structfaiss_1_1Cloner.html" > Cloner< / a > {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *clone_Index(< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index)< span class = "keyword" > override < / span > {< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ifl = dynamic_cast< const GpuIndexFlat *> (index)) {< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < a class = "code" href = "structfaiss_1_1IndexFlat.html" > IndexFlat< / a > *res = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlat.html" > IndexFlat< / a > ();< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   ifl-> copyTo(res);< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ifl = dynamic_cast< const GpuIndexIVFFlat *> (index)) {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / a > *res = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / a > ();< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   ifl-> copyTo(res);< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ipq = dynamic_cast< const GpuIndexIVFPQ *> (index)) {< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > IndexIVFPQ< / a > *res = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > IndexIVFPQ< / a > ();< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   ipq-> copyTo(res);< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordflow" > return< / span > Cloner::clone_Index(index);< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   }< / 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 >   };< / 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 >   < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > * index_gpu_to_cpu(< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *gpu_index)< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   {< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1ToCPUCloner.html" > ToCPUCloner< / a > cl;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > return< / span > cl.clone_Index(gpu_index);< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   }< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   GpuClonerOptions::GpuClonerOptions():< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   indicesOptions(INDICES_64_BIT),< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   useFloat16CoarseQuantizer(false),< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   useFloat16(false),< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   usePrecomputed(true),< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   reserveVecs(0),< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   verbose(0)< / 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 >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1ToGpuCloner.html" > 72< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuCloner.html" > ToGpuCloner< / a > : < a class = "code" href = "structfaiss_1_1Cloner.html" > faiss::Cloner< / a > , < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html" > GpuClonerOptions< / a > {< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > *resources;< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordtype" > int< / span > device;< / 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 >   < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuCloner.html" > ToGpuCloner< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > *resources, < span class = "keywordtype" > int< / span > device, < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html" > GpuClonerOptions< / a > & options):< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html" > GpuClonerOptions< / a > (options), resources(resources), device(device)< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   {}< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *clone_Index(< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index)< span class = "keyword" > override < / span > {< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ifl = dynamic_cast< const IndexFlat *> (index)) {< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > (resources, device, < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ac7cc57d6091d6a79ea6020bf8d1fbe27" > useFloat16< / a > , ifl);< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ifl = dynamic_cast< const faiss::IndexIVFFlat *> (index)) {< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html" > GpuIndexIVFFlat< / a > *res =< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html" > GpuIndexIVFFlat< / a > (resources,< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   device,< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#a85f3093908b6e9a503c24bb226b17b1b" > useFloat16CoarseQuantizer< / a > ,< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ac7cc57d6091d6a79ea6020bf8d1fbe27" > useFloat16< / a > ,< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   ifl-> d,< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   ifl-> nlist,< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ad960ac51b7cc607fcb1a1b07efc32a9e" > indicesOptions< / a > ,< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   ifl-> metric_type);< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > > 0 & & ifl-> ntotal == 0)< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   res-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a329d7734f1285788d10c1fbf1f88d72f" > reserveMemory< / a > (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > );< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   res-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3" > copyFrom< / a > (ifl);< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ipq = dynamic_cast< const faiss::IndexIVFPQ *> (index)) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > if< / span > (verbose)< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   printf(< span class = "stringliteral" > " IndexIVFPQ size %ld -> GpuIndexIVFPQ indicesOptions=%d " < / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "stringliteral" > " usePrecomputed=%d useFloat16=%d reserveVecs=%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   ipq-> ntotal, < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ad960ac51b7cc607fcb1a1b07efc32a9e" > indicesOptions< / a > , < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#abc9c607f2dfc9f23942a523fb49c63fe" > usePrecomputed< / a > ,< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ac7cc57d6091d6a79ea6020bf8d1fbe27" > useFloat16< / a > , < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > );< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > GpuIndexIVFPQ< / a > *res = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > GpuIndexIVFPQ< / a > (< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   resources, device, < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ad960ac51b7cc607fcb1a1b07efc32a9e" > indicesOptions< / a > , < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ac7cc57d6091d6a79ea6020bf8d1fbe27" > useFloat16< / a > ,< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   ipq);< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   res-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#afda2894c0ce520e0d3d06eeca5ed5f0c" > setPrecomputedCodes< / a > (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#abc9c607f2dfc9f23942a523fb49c63fe" > usePrecomputed< / a > );< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > > 0 & & ipq-> ntotal == 0)< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   res-> < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a4e7d62e21f7e23fa4e94c69131389eea" > reserveMemory< / a > (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > );< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > return< / span > Cloner::clone_Index(index);< / 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 >   }< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   };< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > * index_cpu_to_gpu(< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources, < span class = "keywordtype" > int< / span > device,< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *index,< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html" > GpuClonerOptions< / a > *options)< / 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 >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html" > GpuClonerOptions< / a > defaults;< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuCloner.html" > ToGpuCloner< / a > cl(resources, device, options ? *options : defaults);< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordflow" > return< / span > cl.clone_Index(index);< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   }< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   GpuMultipleClonerOptions::GpuMultipleClonerOptions(): shard(false)< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   {}< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > 131< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > ToGpuClonerMultiple< / a > : < a class = "code" href = "structfaiss_1_1Cloner.html" > faiss::Cloner< / a > , < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > {< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   std::vector< ToGpuCloner> sub_cloners;< / 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 = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > ToGpuClonerMultiple< / a > (std::vector< GpuResources *> & resources,< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   std::vector< int> & devices,< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > & options):< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > (options)< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   {< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   FAISS_ASSERT(resources.size() == devices.size());< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < resources.size(); i++) {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   sub_cloners.push_back(< a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuCloner.html" > ToGpuCloner< / a > (< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   resources[i], devices[i], options));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   }< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   }< / 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 >   < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > ToGpuClonerMultiple< / a > (< span class = "keyword" > const< / span > std::vector< ToGpuCloner> & sub_cloners,< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > & options):< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > (options),< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   sub_cloners(sub_cloners)< / 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 >   < / 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 >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *clone_Index(< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index)< span class = "keyword" > override < / span > {< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keywordtype" > long< / span > n = sub_cloners.size();< / 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" > if< / span > (n == 1)< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > return< / span > sub_cloners[0].clone_Index(index);< / 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 = "keywordflow" > if< / span > (dynamic_cast< const IndexFlat *> (index) ||< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   dynamic_cast< const faiss::IndexIVFFlat *> (index) ||< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   dynamic_cast< const faiss::IndexIVFPQ *> (index)) {< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html#a7c5bd7a840f6641d5d68699f4416d79d" > shard< / a > ) {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < a class = "code" href = "classfaiss_1_1gpu_1_1IndexProxy.html" > IndexProxy< / a > * res = < span class = "keyword" > new< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1IndexProxy.html" > IndexProxy< / a > ();< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > & sub_cloner: sub_cloners) {< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   res-> < a class = "code" href = "classfaiss_1_1gpu_1_1IndexProxy.html#af9bb81e75f8d5471094e4d4776a56f63" > addIndex< / a > (sub_cloner.clone_Index(index));< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   }< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   res-> own_fields = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keyword" > auto< / span > index_ivfpq =< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > *< span class = "keyword" > > < / span > (index);< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keyword" > auto< / span > index_ivfflat =< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > *< span class = "keyword" > > < / span > (index);< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   FAISS_ASSERT (index_ivfpq || index_ivfflat ||< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   !< span class = "stringliteral" > " IndexShards implemented only for " < / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "stringliteral" > " IndexIVFFlat or IndexIVFPQ" < / span > );< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   std::vector< faiss::Index*> shards(n);< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > // make a shallow copy< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keywordtype" > long< / span > i0 = i * index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > / n;< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keywordtype" > long< / span > i1 = (i + 1) * index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > / n;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > if< / span > (verbose)< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   printf(< span class = "stringliteral" > " IndexShards shard %ld indices %ld:%ld\n" < / span > ,< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   i, i0, i1);< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > )< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   sub_cloners[i].reserveVecs =< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   (< a class = "code" href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > reserveVecs< / a > + n - 1) / n;< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordflow" > if< / span > (index_ivfpq) {< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > idx2(< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   index_ivfpq-> quantizer, index_ivfpq-> d,< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   index_ivfpq-> nlist, index_ivfpq-> code_size,< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   index_ivfpq-> pq.nbits);< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   idx2.< a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > pq< / a > = index_ivfpq-> pq;< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   idx2.< a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a1c66ff073c18a1edbe8444c24d870583" > use_precomputed_table< / a > = 0;< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   idx2.< a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > ;< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   index_ivfpq-> copy_subset_to(idx2, 0, i0, i1);< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   shards[i] = sub_cloners[i].clone_Index(& idx2);< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (index_ivfflat) {< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > idx2(< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   index_ivfflat-> quantizer, index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ,< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   index_ivfflat-> nlist, index_ivfflat-> metric_type);< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   index_ivfflat-> copy_subset_to(idx2, 0, i0, i1);< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   shards[i] = sub_cloners[i].clone_Index(& idx2);< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   }< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   }< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < a class = "code" href = "structfaiss_1_1IndexShards.html" > faiss::IndexShards< / a > *res =< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexShards.html" > faiss::IndexShards< / a > (index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < span class = "keyword" > true< / span > , < span class = "keyword" > false< / 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 = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   res-> add_shard(shards[i]);< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   }< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   res-> own_fields = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   assert(index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > == res-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > );< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   }< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > miq = dynamic_cast< const MultiIndexQuantizer *> (index)) {< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > if< / span > (verbose) {< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   printf(< span class = "stringliteral" > " cloning MultiIndexQuantizer: " < / span > < / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "stringliteral" > " will be valid only for search k=1\n" < / span > );< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   }< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1ProductQuantizer.html" > ProductQuantizer< / a > & pq = miq-> pq;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html" > IndexSplitVectors< / a > *splitv = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexSplitVectors.html" > IndexSplitVectors< / a > (pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a567cd512438f9e3404d9339a232d7695" > d< / a > , < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   splitv-> own_fields = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > m = 0; m < pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > M< / a > ; m++) {< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "comment" > // which GPU(s) will be assigned to this sub-quantizer< / 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" > long< / span > i0 = m * n / pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > M< / a > ;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "keywordtype" > long< / span > i1 = pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > M< / a > < = n ? (m + 1) * n / pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > M< / a > : i0 + 1;< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   std::vector< ToGpuCloner> sub_cloners_2;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   sub_cloners_2.insert(< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   sub_cloners_2.begin(), sub_cloners.begin() + i0,< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   sub_cloners.begin() + i1);< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > ToGpuClonerMultiple< / a > cm(sub_cloners_2, *< span class = "keyword" > this< / span > );< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > IndexFlatL2< / a > idxc (pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a467b451ca203544e42c250e4be65b983" > dsub< / a > );< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   idxc.< a class = "code" href = "structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c" > add< / a > (pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a0feee45e4151547b7a0444c14bad398f" > ksub< / a > , pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > centroids< / a > .data() + m * pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a567cd512438f9e3404d9339a232d7695" > d< / a > * pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#a0feee45e4151547b7a0444c14bad398f" > ksub< / a > );< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *idx2 = cm.clone_Index(& idxc);< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   splitv-> add_sub_index(idx2);< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   }< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > return< / span > splitv;< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > return< / span > Cloner::clone_Index(index);< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   }< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   }< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / 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 >   < / 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 >   < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > * index_cpu_to_gpu_multiple(< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   std::vector< GpuResources*> & resources,< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   std::vector< int> & devices,< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *index,< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > *options)< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   {< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > GpuMultipleClonerOptions< / a > defaults;< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > ToGpuClonerMultiple< / a > cl(resources, devices, options ? *options : defaults);< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keywordflow" > return< / span > cl.clone_Index(index);< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   }< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "comment" > /**********************************************************< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "comment" > * Parameters to auto-tune on GpuIndex' es< / span > < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "comment" > **********************************************************/< / 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 >   < span class = "preprocessor" > #define DC(classname) auto ix = dynamic_cast< const classname *> (index)< / span > < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#ab2bf33a6f1579c3d42f656ded1df3398" > 275< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#ab2bf33a6f1579c3d42f656ded1df3398" > GpuParameterSpace::initialize< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * index)< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   {< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > )) {< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   index = ix-> index;< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   }< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "classfaiss_1_1gpu_1_1IndexProxy.html" > IndexProxy< / a > )) {< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordflow" > if< / span > (ix-> count() == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   index = ix-> at(0);< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   }< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexShards.html" > faiss::IndexShards< / a > )) {< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > if< / span > (ix-> shard_indexes.size() == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   index = ix-> shard_indexes[0];< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   }< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > GpuIndexIVF< / a > )) {< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " nprobe" < / span > );< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 12; i++) {< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordtype" > size_t< / span > nprobe = 1 < < i;< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "keywordflow" > if< / span > (nprobe > = ix-> getNumLists() ||< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   nprobe > 1024) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   pr.values.push_back (nprobe);< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   }< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   }< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "comment" > // not sure we should call the parent initializer< / span > < / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   }< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < span class = "preprocessor" > #undef DC< / span > < / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "preprocessor" > < / span > < span class = "comment" > // non-const version< / span > < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "preprocessor" > #define DC(classname) auto *ix = dynamic_cast< classname *> (index)< / span > < / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#a1820826bb47a51ec9f000118be9c83b2" > 308< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#a1820826bb47a51ec9f000118be9c83b2" > GpuParameterSpace::set_index_parameter< / a > (< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * index, < span class = "keyword" > const< / span > std::string & name, < span class = "keywordtype" > double< / span > val)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > )) {< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   index = ix-> index;< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   }< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "classfaiss_1_1gpu_1_1IndexProxy.html" > IndexProxy< / a > )) {< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < ix-> count(); i++)< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#a1820826bb47a51ec9f000118be9c83b2" > set_index_parameter< / a > (ix-> at(i), name, val);< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   }< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexShards.html" > faiss::IndexShards< / a > )) {< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > sub_index : ix-> shard_indexes)< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#a1820826bb47a51ec9f000118be9c83b2" > set_index_parameter< / a > (sub_index, name, val);< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   }< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " nprobe" < / span > ) {< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   DC (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexIVF.html" > GpuIndexIVF< / a > );< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   FAISS_ASSERT(ix);< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   ix-> setNumProbes (< span class = "keywordtype" > int< / span > (val));< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   }< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   FAISS_ASSERT (!< span class = "stringliteral" > " unknown parameter" < / span > );< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   }< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   } } < span class = "comment" > // namespace< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1Cloner_html" > < div class = "ttname" > < a href = "structfaiss_1_1Cloner.html" > faiss::Cloner< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "index__io_8h_source.html#l00052" > index_io.h:52< / 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#l00024" > IndexFlat.h:24< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions_html_a7c5bd7a840f6641d5d68699f4416d79d" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html#a7c5bd7a840f6641d5d68699f4416d79d" > faiss::gpu::GpuMultipleClonerOptions::shard< / a > < / div > < div class = "ttdeci" > bool shard< / div > < div class = "ttdoc" > shard rather than copying to each GPU < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00055" > GpuAutoTune.h:55< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuParameterSpace_html_ab2bf33a6f1579c3d42f656ded1df3398" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#ab2bf33a6f1579c3d42f656ded1df3398" > faiss::gpu::GpuParameterSpace::initialize< / a > < / div > < div class = "ttdeci" > void initialize(const faiss::Index *index) override< / div > < div class = "ttdoc" > initialize with reasonable parameters for the index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8cpp_source.html#l00275" > GpuAutoTune.cpp:275< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuClonerOptions_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html" > faiss::gpu::GpuClonerOptions< / a > < / div > < div class = "ttdoc" > set some options on how to copy to GPU < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00031" > GpuAutoTune.h:31< / 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#l00081" > IndexFlat.h:81< / 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#l00103" > GpuIndexIVFFlat.cu:103< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_a467b451ca203544e42c250e4be65b983" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#a467b451ca203544e42c250e4be65b983" > faiss::ProductQuantizer::dsub< / a > < / div > < div class = "ttdeci" > size_t dsub< / div > < div class = "ttdoc" > dimensionality of each subvector < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00033" > ProductQuantizer.h:33< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuClonerOptions_html_abc9c607f2dfc9f23942a523fb49c63fe" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#abc9c607f2dfc9f23942a523fb49c63fe" > faiss::gpu::GpuClonerOptions::usePrecomputed< / a > < / div > < div class = "ttdeci" > bool usePrecomputed< / div > < div class = "ttdoc" > use precomputed tables? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00040" > GpuAutoTune.h:40< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexPreTransform_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPreTransform.html" > faiss::IndexPreTransform< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00238" > VectorTransform.h:238< / 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#l00024" > GpuResources.h:24< / a > < / div > < / div >
< 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#l00113" > IndexIVF.h:113< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuMultipleClonerOptions.html" > faiss::gpu::GpuMultipleClonerOptions< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00054" > GpuAutoTune.h:54< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_aeaa27a715fe3fceef5da18d894976833" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > faiss::ParameterSpace::add_range< / a > < / div > < div class = "ttdeci" > ParameterRange & add_range(const char *name)< / div > < div class = "ttdoc" > add a new parameter < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00321" > AutoTune.cpp:321< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexSplitVectors_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexSplitVectors.html" > faiss::IndexSplitVectors< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00109" > MetaIndexes.h:109< / 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#l00025" > GpuIndexIVF.h:25< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IndexProxy_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IndexProxy.html" > faiss::gpu::IndexProxy< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexProxy_8h_source.html#l00025" > IndexProxy.h:25< / 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#l00066" > Index.h:66< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuParameterSpace_html_a1820826bb47a51ec9f000118be9c83b2" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuParameterSpace.html#a1820826bb47a51ec9f000118be9c83b2" > faiss::gpu::GpuParameterSpace::set_index_parameter< / a > < / div > < div class = "ttdeci" > void set_index_parameter(faiss::Index *index, const std::string & name, double val) const override< / div > < div class = "ttdoc" > set a combination of parameters on an index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8cpp_source.html#l00308" > GpuAutoTune.cpp:308< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00030" > IndexIVFPQ.h:30< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_a4e7d62e21f7e23fa4e94c69131389eea" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#a4e7d62e21f7e23fa4e94c69131389eea" > faiss::gpu::GpuIndexIVFPQ::reserveMemory< / a > < / div > < div class = "ttdeci" > void reserveMemory(size_t numVecs)< / div > < div class = "ttdoc" > Reserve GPU memory in our inverted lists for this number of vectors. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00197" > GpuIndexIVFPQ.cu:197< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_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#l00095" > GpuIndexIVFFlat.cu:95< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuClonerOptions_html_ac7cc57d6091d6a79ea6020bf8d1fbe27" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ac7cc57d6091d6a79ea6020bf8d1fbe27" > faiss::gpu::GpuClonerOptions::useFloat16< / a > < / div > < div class = "ttdeci" > bool useFloat16< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00038" > GpuAutoTune.h:38< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuClonerOptions_html_ad960ac51b7cc607fcb1a1b07efc32a9e" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ad960ac51b7cc607fcb1a1b07efc32a9e" > faiss::gpu::GpuClonerOptions::indicesOptions< / a > < / div > < div class = "ttdeci" > IndicesOptions indicesOptions< / div > < div class = "ttdoc" > how should indices be stored on GpuIndexIVFPQ? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00033" > GpuAutoTune.h:33< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_a0feee45e4151547b7a0444c14bad398f" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#a0feee45e4151547b7a0444c14bad398f" > faiss::ProductQuantizer::ksub< / a > < / div > < div class = "ttdeci" > size_t ksub< / div > < div class = "ttdoc" > number of centroids for each subquantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00036" > ProductQuantizer.h:36< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuClonerOptions_html_a85f3093908b6e9a503c24bb226b17b1b" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#a85f3093908b6e9a503c24bb226b17b1b" > faiss::gpu::GpuClonerOptions::useFloat16CoarseQuantizer< / a > < / div > < div class = "ttdeci" > bool useFloat16CoarseQuantizer< / div > < div class = "ttdoc" > is the coarse quantizer in float16? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00035" > GpuAutoTune.h:35< / 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#l00067" > Index.h:67< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlat_html_a406f028c702edec72477eacc5733f59c" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c" > faiss::IndexFlat::add< / a > < / div > < div class = "ttdeci" > virtual void add(idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8cpp_source.html#l00041" > IndexFlat.cpp:41< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1IndexProxy_html_af9bb81e75f8d5471094e4d4776a56f63" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1IndexProxy.html#af9bb81e75f8d5471094e4d4776a56f63" > faiss::gpu::IndexProxy::addIndex< / a > < / div > < div class = "ttdeci" > void addIndex(faiss::Index *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexProxy_8cpp_source.html#l00033" > IndexProxy.cpp:33< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1ToGpuClonerMultiple.html" > faiss::gpu::ToGpuClonerMultiple< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8cpp_source.html#l00131" > GpuAutoTune.cpp:131< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html" > faiss::gpu::GpuIndexIVFPQ< / a > < / div > < div class = "ttdoc" > IVFPQ index for the GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8h_source.html#l00025" > GpuIndexIVFPQ.h:25< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a007303be116c8da65b6d058e3fc77d16" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16" > faiss::IndexIVFPQ::pq< / a > < / div > < div class = "ttdeci" > ProductQuantizer pq< / div > < div class = "ttdoc" > produces the codes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00034" > IndexIVFPQ.h:34< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_a83600e328893ce5f41fe459f5a3acf41" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#a83600e328893ce5f41fe459f5a3acf41" > faiss::ProductQuantizer::M< / a > < / div > < div class = "ttdeci" > size_t M< / div > < div class = "ttdoc" > number of subquantizers < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00029" > ProductQuantizer.h:29< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html" > faiss::Index< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00061" > Index.h:61< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > faiss::gpu::GpuIndexFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00031" > GpuIndexFlat.h:31< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ_html_afda2894c0ce520e0d3d06eeca5ed5f0c" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFPQ.html#afda2894c0ce520e0d3d06eeca5ed5f0c" > faiss::gpu::GpuIndexIVFPQ::setPrecomputedCodes< / a > < / div > < div class = "ttdeci" > void setPrecomputedCodes(bool enable)< / div > < div class = "ttdoc" > Enable or disable pre-computed codes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFPQ_8cu_source.html#l00206" > GpuIndexIVFPQ.cu:206< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexShards_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShards.html" > faiss::IndexShards< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00058" > MetaIndexes.h:58< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1ToGpuCloner_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1ToGpuCloner.html" > faiss::gpu::ToGpuCloner< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8cpp_source.html#l00072" > GpuAutoTune.cpp:72< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html" > faiss::ProductQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00026" > ProductQuantizer.h:26< / 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#l00071" > Index.h:71< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterRange_html" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterRange.html" > faiss::ParameterRange< / a > < / div > < div class = "ttdoc" > possible values of a parameter, sorted from least to most expensive/accurate < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00126" > AutoTune.h:126< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_a567cd512438f9e3404d9339a232d7695" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#a567cd512438f9e3404d9339a232d7695" > faiss::ProductQuantizer::d< / a > < / div > < div class = "ttdeci" > size_t d< / div > < div class = "ttdoc" > size of the input vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00028" > ProductQuantizer.h:28< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1ToCPUCloner_html" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1ToCPUCloner.html" > faiss::gpu::ToCPUCloner< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8cpp_source.html#l00033" > GpuAutoTune.cpp:33< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html" > faiss::gpu::GpuIndexIVFFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexIVFFlat_8h_source.html#l00025" > GpuIndexIVFFlat.h:25< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1gpu_1_1GpuClonerOptions_html_ab60dd87e51af59373a48d73852573f04" > < div class = "ttname" > < a href = "structfaiss_1_1gpu_1_1GpuClonerOptions.html#ab60dd87e51af59373a48d73852573f04" > faiss::gpu::GpuClonerOptions::reserveVecs< / a > < / div > < div class = "ttdeci" > long reserveVecs< / div > < div class = "ttdoc" > reserve vectors in the invfiles? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuAutoTune_8h_source.html#l00042" > GpuAutoTune.h:42< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a1c66ff073c18a1edbe8444c24d870583" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a1c66ff073c18a1edbe8444c24d870583" > faiss::IndexIVFPQ::use_precomputed_table< / a > < / div > < div class = "ttdeci" > int use_precomputed_table< / div > < div class = "ttdoc" > if by_residual, build precompute tables < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00032" > IndexIVFPQ.h:32< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_aab1109a29ba0544358e274d727b23cae" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#aab1109a29ba0544358e274d727b23cae" > faiss::ProductQuantizer::centroids< / a > < / div > < div class = "ttdeci" > std::vector< float > centroids< / div > < div class = "ttdoc" > Centroid table, size M * ksub * dsub. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00053" > ProductQuantizer.h:53< / a > < / div > < / div >
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