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2017-02-23 06:26:44 +08:00
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > < / span > < / div >
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< 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 >
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< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // Copyright 2004-present Facebook. All Rights Reserved.< / span > < / div >
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< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " GpuIndex.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
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< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > struct < / span > IndexFlat;< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > struct < / span > IndexFlatL2;< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > struct < / span > IndexFlatIP;< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   }< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > gpu {< / 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" > struct < / span > FlatIndex;< / div >
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< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > 28< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > inline< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ()< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   : device(0),< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   useFloat16(< span class = "keyword" > false< / span > ),< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   storeTransposed(< span class = "keyword" > false< / span > ) {< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   }< / 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 >   < span class = "keywordtype" > int< / span > device;< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keywordtype" > bool< / span > useFloat16;< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keywordtype" > bool< / span > storeTransposed;< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   };< / div >
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< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "comment" > < / span > < / div >
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< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "comment" > /// Wrapper around the GPU implementation that looks like< / span > < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "comment" > /// faiss::IndexFlat; copies over centroid data from a given< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > /// faiss::IndexFlat< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > 43< / a > < / span >   < span class = "comment" > < / span > < span class = "keyword" > class < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndex.html" > GpuIndex< / a > {< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keyword" > public< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "comment" > /// Construct from a pre-existing faiss::IndexFlat instance, copying< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > /// data over to the given GPU< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > GpuIndexFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * index,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ());< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > /// Construct an empty instance that can be added to< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > GpuIndexFlat< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > metric,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ());< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   ~< a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > () < span class = "keyword" > override< / span > ;< / div >
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< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > < / span > < / div >
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< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "comment" > /// Set the minimum data size for searches (in MiB) for which we use< / span > < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > /// CPU -> GPU paging< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a752f8129ccb94fa0c6f346ae03ff536d" > setMinPagingSize< / a > (< span class = "keywordtype" > size_t< / span > size);< / div >
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< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > < / span > < / div >
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< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > /// Returns the current minimum data size for paged searches< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a44532c7e5165d36e5da57272d37544ae" > getMinPagingSize< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > /// Do we store vectors and perform math in float16?< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af9b5ff82eb54a6d0632d515db4ee3994" > getUseFloat16< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > /// Initialize ourselves from the given CPU index; will overwrite< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > /// all data in ourselves< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#abb964875e0893de1d8334ca5ad0f62dc" > copyFrom< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * index);< / div >
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< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "comment" > < / span > < / div >
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< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > /// Copy ourselves to the given CPU index; will overwrite all data< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > /// in the index instance< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a046007ff2fafcafc6ae328769c700e39" > copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexFlat.html" > faiss::IndexFlat< / a > * index) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > /// Returns the number of vectors we contain< / span > < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a51b5aa0d68670ec7ccb32b0353c7387f" > getNumVecs< / a > () < span class = "keyword" > const< / span > ;< / div >
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< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > < / span > < / div >
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< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "comment" > /// Clears all vectors from this index< / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a67161796f274a7171a67c36bdf1ef1db" > reset< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > /// This index is not trained, so this does nothing< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a0e74fad76628ddfb5ae3dc1d1c69f7e8" > train< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "comment" > /// `x` can be resident on the CPU or any GPU; the proper copies are< / span > < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "comment" > /// performed< / span > < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#aca24d09a00743aa3087c1a14a66995b9" > add< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > Index::idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > /// `x`, `distances` and `labels` can be resident on the CPU or any< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > /// GPU; copies are performed as needed< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ac0f0301829363f920e619f673a4d97f3" > search< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > float< / span > * distances,< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > * labels) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "comment" > /// Reconstruction methods; prefer the batch reconstruct as it will< / span > < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > /// be more efficient< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd" > reconstruct< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > key, < span class = "keywordtype" > float< / span > * out) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "comment" > /// Batch reconstruction method< / span > < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a472732e9bd8ffb1aa4c3abc31063dd28" > reconstruct_n< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > i0,< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > num,< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keywordtype" > float< / span > * out) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordtype" > void< / span > set_typename() < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > /// For internal access< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7" > 110< / a > < / span >   < span class = "comment" > < / span > < span class = "keyword" > inline< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html" > FlatIndex< / a > * < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7" > getGpuData< / a > () { < span class = "keywordflow" > return< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > ; }< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keyword" > protected< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > /// Called from search when the input data is on the CPU;< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "comment" > /// potentially allows for pinned memory usage< / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#afedeff5442b6ed94f856cecb8d8e598d" > searchFromCpuPaged_< / a > (< span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordtype" > float< / span > * outDistancesData,< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordtype" > int< / span > * outIndicesData) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordtype" > void< / span > searchNonPaged_(< span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordtype" > int< / span > k,< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "keywordtype" > float< / span > * outDistancesData,< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordtype" > int< / span > * outIndicesData) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keyword" > protected< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > /// Size above which we page copies from the CPU to GPU< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#aad665a7b5888b4aafd47ae0f8d0e6c40" > 129< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#aad665a7b5888b4aafd47ae0f8d0e6c40" > minPagedSize_< / a > ;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config_;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > /// Holds our GPU data containing the list of vectors< / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > 134< / a > < / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1FlatIndex.html" > FlatIndex< / a > * < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > data_< / a > ;< / 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 = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "comment" > /// Wrapper around the GPU implementation that looks like< / span > < / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "comment" > /// faiss::IndexFlatL2; copies over centroid data from a given< / span > < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "comment" > /// faiss::IndexFlat< / span > < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html" > 140< / a > < / span >   < span class = "comment" > < / span > < span class = "keyword" > class < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html" > GpuIndexFlatL2< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keyword" > public< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > /// Construct from a pre-existing faiss::IndexFlatL2 instance, copying< / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > /// data over to the given GPU< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > GpuIndexFlatL2< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > * index,< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ());< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > /// Construct an empty instance that can be added to< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > GpuIndexFlatL2< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ());< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "comment" > /// Initialize ourselves from the given CPU index; will overwrite< / span > < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "comment" > /// all data in ourselves< / span > < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#a9a9de859274bb73e6d8ea02cae5ca9a6" > copyFrom< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > * index);< / 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" > /// Copy ourselves to the given CPU index; will overwrite all data< / span > < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "comment" > /// in the index instance< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#ab21960d379190b98aaa05ae3877dea09" > copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > * index);< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   };< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "comment" > /// Wrapper around the GPU implementation that looks like< / span > < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "comment" > /// faiss::IndexFlatIP; copies over centroid data from a given< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "comment" > /// faiss::IndexFlat< / span > < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > < a class = "line" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html" > 165< / a > < / span >   < span class = "comment" > < / span > < span class = "keyword" > class < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html" > GpuIndexFlatIP< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html" > GpuIndexFlat< / a > {< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keyword" > public< / span > :< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "comment" > /// Construct from a pre-existing faiss::IndexFlatIP instance, copying< / span > < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "comment" > /// data over to the given GPU< / span > < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > GpuIndexFlatIP< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > * index,< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ());< / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "comment" > < / span > < / div >
2017-03-21 01:33:21 +08:00
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > /// Construct an empty instance that can be added to< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "comment" > < / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > GpuIndexFlatIP< / a > (< a class = "code" href = "classfaiss_1_1gpu_1_1GpuResources.html" > GpuResources< / a > * resources,< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "keywordtype" > int< / span > dims,< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > config = < a class = "code" href = "structfaiss_1_1gpu_1_1GpuIndexFlatConfig.html" > GpuIndexFlatConfig< / a > ());< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > /// Initialize ourselves from the given CPU index; will overwrite< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > /// all data in ourselves< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#aa181b1778a8dca81ac5cf6cd6a3d5f1d" > copyFrom< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > * index);< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "comment" > /// Copy ourselves to the given CPU index; will overwrite all data< / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "comment" > /// in the index instance< / span > < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#af70d0fe80cf3bf16ffffd8b16ed64f08" > copyTo< / a > (< a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > faiss::IndexFlatIP< / a > * index);< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   };< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   } } < span class = "comment" > // namespace< / span > < / div >
2017-02-23 06:26:44 +08:00
< 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 >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html_a9a9de859274bb73e6d8ea02cae5ca9a6" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#a9a9de859274bb73e6d8ea02cae5ca9a6" > faiss::gpu::GpuIndexFlatL2::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(faiss::IndexFlatL2 *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00501" > GpuIndexFlat.cu:501< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< 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#l00107" > GpuIndexFlat.cu:107< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a472732e9bd8ffb1aa4c3abc31063dd28" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a472732e9bd8ffb1aa4c3abc31063dd28" > faiss::gpu::GpuIndexFlat::reconstruct_n< / a > < / div > < div class = "ttdeci" > void reconstruct_n(faiss::Index::idx_t i0, faiss::Index::idx_t num, float *out) const override< / div > < div class = "ttdoc" > Batch reconstruction method. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00457" > GpuIndexFlat.cu:457< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a44532c7e5165d36e5da57272d37544ae" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a44532c7e5165d36e5da57272d37544ae" > faiss::gpu::GpuIndexFlat::getMinPagingSize< / a > < / div > < div class = "ttdeci" > size_t getMinPagingSize() const < / div > < div class = "ttdoc" > Returns the current minimum data size for paged searches. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00070" > GpuIndexFlat.cu:70< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1FlatIndex_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1FlatIndex.html" > faiss::gpu::FlatIndex< / a > < / div > < div class = "ttdoc" > Holder of GPU resources for a particular flat index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "FlatIndex_8cuh_source.html#l00023" > FlatIndex.cuh:23< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a310b00d4443920a855b11276d488c9a7" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a310b00d4443920a855b11276d488c9a7" > faiss::gpu::GpuIndexFlat::getGpuData< / a > < / div > < div class = "ttdeci" > FlatIndex * getGpuData()< / div > < div class = "ttdoc" > For internal access. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00110" > GpuIndexFlat.h:110< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html_ab21960d379190b98aaa05ae3877dea09" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#ab21960d379190b98aaa05ae3877dea09" > faiss::gpu::GpuIndexFlatL2::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexFlatL2 *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00506" > GpuIndexFlat.cu:506< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< 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_1GpuIndexFlat_html_afedeff5442b6ed94f856cecb8d8e598d" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#afedeff5442b6ed94f856cecb8d8e598d" > faiss::gpu::GpuIndexFlat::searchFromCpuPaged_< / a > < / div > < div class = "ttdeci" > void searchFromCpuPaged_(int n, const float *x, int k, float *outDistancesData, int *outIndicesData) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00268" > GpuIndexFlat.cu:268< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a51b5aa0d68670ec7ccb32b0353c7387f" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a51b5aa0d68670ec7ccb32b0353c7387f" > faiss::gpu::GpuIndexFlat::getNumVecs< / a > < / div > < div class = "ttdeci" > size_t getNumVecs() const < / div > < div class = "ttdoc" > Returns the number of vectors we contain. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00130" > GpuIndexFlat.cu:130< / 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 >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_af8a1626e4c54a451d0b9f82df3a6687e" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af8a1626e4c54a451d0b9f82df3a6687e" > faiss::gpu::GpuIndexFlat::GpuIndexFlat< / a > < / div > < div class = "ttdeci" > GpuIndexFlat(GpuResources *resources, const faiss::IndexFlat *index, GpuIndexFlatConfig config=GpuIndexFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00033" > GpuIndexFlat.cu:33< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< 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#l00075" > IndexFlat.h:75< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a752f8129ccb94fa0c6f346ae03ff536d" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a752f8129ccb94fa0c6f346ae03ff536d" > faiss::gpu::GpuIndexFlat::setMinPagingSize< / a > < / div > < div class = "ttdeci" > void setMinPagingSize(size_t size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00065" > GpuIndexFlat.cu:65< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndex_html" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndex.html" > faiss::gpu::GpuIndex< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndex_8h_source.html#l00020" > GpuIndex.h:20< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatL2_html_aed22de4a439fa0b2f560e3c716a7c626" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatL2.html#aed22de4a439fa0b2f560e3c716a7c626" > faiss::gpu::GpuIndexFlatL2::GpuIndexFlatL2< / a > < / div > < div class = "ttdeci" > GpuIndexFlatL2(GpuResources *resources, faiss::IndexFlatL2 *index, GpuIndexFlatConfig config=GpuIndexFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00488" > GpuIndexFlat.cu:488< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_af9b5ff82eb54a6d0632d515db4ee3994" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#af9b5ff82eb54a6d0632d515db4ee3994" > faiss::gpu::GpuIndexFlat::getUseFloat16< / a > < / div > < div class = "ttdeci" > bool getUseFloat16() const < / div > < div class = "ttdoc" > Do we store vectors and perform math in float16? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00075" > GpuIndexFlat.cu:75< / 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#l00028" > GpuIndexFlat.h:28< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a7f1cdf03d3545a43fc91bb5cace3b6fd" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a7f1cdf03d3545a43fc91bb5cace3b6fd" > faiss::gpu::GpuIndexFlat::reconstruct< / a > < / div > < div class = "ttdeci" > void reconstruct(faiss::Index::idx_t key, float *out) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00440" > GpuIndexFlat.cu:440< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html_af70d0fe80cf3bf16ffffd8b16ed64f08" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#af70d0fe80cf3bf16ffffd8b16ed64f08" > faiss::gpu::GpuIndexFlatIP::copyTo< / a > < / div > < div class = "ttdeci" > void copyTo(faiss::IndexFlatIP *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00532" > GpuIndexFlat.cu:532< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html_a5f8c6e1a31cae06f6a5bcd1828307304" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#a5f8c6e1a31cae06f6a5bcd1828307304" > faiss::gpu::GpuIndexFlatIP::GpuIndexFlatIP< / a > < / div > < div class = "ttdeci" > GpuIndexFlatIP(GpuResources *resources, faiss::IndexFlatIP *index, GpuIndexFlatConfig config=GpuIndexFlatConfig())< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00514" > GpuIndexFlat.cu:514< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00064" > Index.h:64< / a > < / div > < / div >
2017-03-21 01:33:21 +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#l00165" > GpuIndexFlat.h:165< / 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#l00080" > GpuIndexFlat.cu:80< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_aca24d09a00743aa3087c1a14a66995b9" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#aca24d09a00743aa3087c1a14a66995b9" > faiss::gpu::GpuIndexFlat::add< / a > < / div > < div class = "ttdeci" > void add(Index::idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00149" > GpuIndexFlat.cu:149< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_aad665a7b5888b4aafd47ae0f8d0e6c40" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#aad665a7b5888b4aafd47ae0f8d0e6c40" > faiss::gpu::GpuIndexFlat::minPagedSize_< / a > < / div > < div class = "ttdeci" > size_t minPagedSize_< / div > < div class = "ttdoc" > Size above which we page copies from the CPU to GPU. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00129" > GpuIndexFlat.h:129< / 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#l00140" > GpuIndexFlat.h:140< / 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#l00043" > GpuIndexFlat.h:43< / a > < / div > < / div >
2017-02-23 06:26:44 +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#l00135" > GpuIndexFlat.cu:135< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlatIP_html_aa181b1778a8dca81ac5cf6cd6a3d5f1d" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlatIP.html#aa181b1778a8dca81ac5cf6cd6a3d5f1d" > faiss::gpu::GpuIndexFlatIP::copyFrom< / a > < / div > < div class = "ttdeci" > void copyFrom(faiss::IndexFlatIP *index)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00527" > GpuIndexFlat.cu:527< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_ac0f0301829363f920e619f673a4d97f3" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ac0f0301829363f920e619f673a4d97f3" > faiss::gpu::GpuIndexFlat::search< / a > < / div > < div class = "ttdeci" > void search(faiss::Index::idx_t n, const float *x, faiss::Index::idx_t k, float *distances, faiss::Index::idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00167" > GpuIndexFlat.cu:167< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_a0e74fad76628ddfb5ae3dc1d1c69f7e8" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#a0e74fad76628ddfb5ae3dc1d1c69f7e8" > faiss::gpu::GpuIndexFlat::train< / a > < / div > < div class = "ttdeci" > void train(Index::idx_t n, const float *x) override< / div > < div class = "ttdoc" > This index is not trained, so this does nothing. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8cu_source.html#l00144" > GpuIndexFlat.cu:144< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_afd12191c638da74760ff397cf319752c" > < div class = "ttname" > < a href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > < / div > < div class = "ttdeci" > MetricType< / div > < div class = "ttdoc" > Some algorithms support both an inner product vetsion and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00044" > Index.h:44< / a > < / div > < / div >
2017-03-21 01:33:21 +08:00
< div class = "ttc" id = "classfaiss_1_1gpu_1_1GpuIndexFlat_html_ae393840fc80403369452c25c9155e067" > < div class = "ttname" > < a href = "classfaiss_1_1gpu_1_1GpuIndexFlat.html#ae393840fc80403369452c25c9155e067" > faiss::gpu::GpuIndexFlat::data_< / a > < / div > < div class = "ttdeci" > FlatIndex * data_< / div > < div class = "ttdoc" > Holds our GPU data containing the list of vectors. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "GpuIndexFlat_8h_source.html#l00134" > GpuIndexFlat.h:134< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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