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< title > Faiss: /data/users/hoss/faiss/IVFlib.cpp Source File< / title >
2018-12-20 00:48:35 +08:00
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< div class = "title" > /data/users/hoss/faiss/IVFlib.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 >
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< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) Facebook, Inc. and its affiliates.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > * This source code is licensed under the MIT license found in the< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // -*- c++ -*-< / 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 " IVFlib.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 >   < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " VectorTransform.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " FaissAssert.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
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< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
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< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > faiss { < span class = "keyword" > namespace < / span > ivflib {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keywordtype" > void< / span > check_compatible_for_merge (< span class = "keyword" > const< / span > Index * index0,< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > const< / span > Index * index1)< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / 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" > const< / span > < a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > faiss::IndexPreTransform< / a > *pt0 =< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > faiss::IndexPreTransform< / a > *< span class = "keyword" > > < / span > (index0);< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keywordflow" > if< / span > (pt0) {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > faiss::IndexPreTransform< / a > *pt1 =< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > faiss::IndexPreTransform< / a > *< span class = "keyword" > > < / span > (index1);< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   FAISS_THROW_IF_NOT_MSG (pt1, < span class = "stringliteral" > " both indexes should be pretransforms" < / 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 >   FAISS_THROW_IF_NOT (pt0-> chain.size() == pt1-> chain.size());< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < pt0-> chain.size(); i++) {< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   FAISS_THROW_IF_NOT (< span class = "keyword" > typeid< / span > (pt0-> chain[i]) == < span class = "keyword" > typeid< / span > (pt1-> chain[i]));< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   }< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   index0 = pt0-> < a class = "code" href = "structfaiss_1_1IndexPreTransform.html#aee3cbbe7915ec9ed13d59ca9276bdefc" > index< / a > ;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   index1 = pt1-> < a class = "code" href = "structfaiss_1_1IndexPreTransform.html#aee3cbbe7915ec9ed13d59ca9276bdefc" > index< / a > ;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   }< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   FAISS_THROW_IF_NOT (< span class = "keyword" > typeid< / span > (index0) == < span class = "keyword" > typeid< / span > (index1));< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   FAISS_THROW_IF_NOT (index0-> d == index1-> d & & < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   index0-> metric_type == index1-> metric_type);< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > *ivf0 = < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > *< span class = "keyword" > > < / span > (index0);< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > if< / span > (ivf0) {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > *ivf1 =< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > *< span class = "keyword" > > < / span > (index1);< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   FAISS_THROW_IF_NOT (ivf1);< / 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 >   ivf0-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#a7fc8b9a1fff9f3d24cf7055fbc4fed7b" > check_compatible_for_merge< / a > (*ivf1);< / 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 >   < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > // TODO: check as thoroughfully for other index types< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   }< / 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 >   < span class = "keyword" > const< / span > IndexIVF * extract_index_ivf (< span class = "keyword" > const< / span > Index * index)< / 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 >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > *pt =< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   dynamic_cast< const IndexPreTransform *> (index)) {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   index = pt-> index;< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   }< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keyword" > auto< / span > *ivf = < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > IndexIVF *< span class = "keyword" > > < / span > (index);< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   FAISS_THROW_IF_NOT (ivf);< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > return< / span > ivf;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   IndexIVF * extract_index_ivf (Index * index) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > const_cast< < / span > IndexIVF*< span class = "keyword" > > < / span > (extract_index_ivf ((< span class = "keyword" > const< / span > Index*)(index)));< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   }< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordtype" > void< / span > merge_into(< a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *index0, < a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *index1, < span class = "keywordtype" > bool< / span > shift_ids) {< / 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 >   check_compatible_for_merge (index0, index1);< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   IndexIVF * ivf0 = extract_index_ivf (index0);< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   IndexIVF * ivf1 = extract_index_ivf (index1);< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   ivf0-> merge_from (*ivf1, shift_ids ? ivf0-> ntotal : 0);< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > // useful for IndexPreTransform< / span > < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   index0-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = ivf0-> ntotal;< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   index1-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = ivf1-> ntotal;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   }< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < / div >
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< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < / div >
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< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > void< / span > search_centroid(< a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *index,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keywordtype" > int< / span > n,< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   idx_t* centroid_ids)< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   std::unique_ptr< float[]> del;< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > index_pre = dynamic_cast< faiss::IndexPreTransform*> (index)) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   x = index_pre-> apply_chain(n, x);< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   del.reset((< span class = "keywordtype" > float< / span > *)x);< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   index = index_pre-> index;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   }< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > * index_ivf = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > *< span class = "keyword" > > < / span > (index);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   assert(index_ivf);< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (n, x, centroid_ids);< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   }< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > void< / span > search_and_return_centroids(< a class = "code" href = "structfaiss_1_1Index.html" > faiss::Index< / a > *index,< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordtype" > size_t< / span > n,< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * xin,< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordtype" > long< / span > k,< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordtype" > float< / span > *distances,< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   idx_t* labels,< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   idx_t* query_centroid_ids,< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   idx_t* result_centroid_ids)< / 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 >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x = xin;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   std::unique_ptr< float []> del;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > index_pre = dynamic_cast< faiss::IndexPreTransform*> (index)) {< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   x = index_pre-> apply_chain(n, x);< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   del.reset((< span class = "keywordtype" > float< / span > *)x);< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   index = index_pre-> index;< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   }< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > * index_ivf = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > *< span class = "keyword" > > < / span > (index);< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   assert(index_ivf);< / 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 >   < span class = "keywordtype" > size_t< / span > nprobe = index_ivf-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > nprobe< / a > ;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   std::vector< idx_t> cent_nos (n * nprobe);< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   std::vector< float> cent_dis (n * nprobe);< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > quantizer< / a > -> < a class = "code" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > search< / a > (< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   n, x, nprobe, cent_dis.data(), cent_nos.data());< / 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 >   < span class = "keywordflow" > if< / span > (query_centroid_ids) {< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < n; i++)< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   query_centroid_ids[i] = cent_nos[i * nprobe];< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   }< / 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 >   index_ivf-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#a7cf3a1963394f87d61913420a66eb468" > search_preassigned< / a > (n, x, k,< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   cent_nos.data(), cent_dis.data(),< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   distances, labels, < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < n * k; i++) {< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   idx_t label = labels[i];< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keywordflow" > if< / span > (label < 0) {< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > if< / span > (result_centroid_ids)< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   result_centroid_ids[i] = -1;< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordtype" > long< / span > list_no = label > > 32;< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordtype" > long< / span > list_index = label & 0xffffffff;< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > if< / span > (result_centroid_ids)< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   result_centroid_ids[i] = list_no;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   labels[i] = index_ivf-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#aa0e8fc5e04cbd8e0dde61f98bc7dd0bc" > invlists< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a21b52cdb0601cd225bd7924932310876" > get_single_id< / a > (list_no, list_index);< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   }< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   }< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6347809123313ca945defdc7ddcd1465" > 159< / a > < / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6347809123313ca945defdc7ddcd1465" > SlidingIndexWindow::SlidingIndexWindow< / a > (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index): index (index) {< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > n_slice< / a > = 0;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > * index_ivf = < span class = "keyword" > const_cast< < / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > *< span class = "keyword" > > < / span > (extract_index_ivf (index));< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > *< span class = "keyword" > > < / span > (index_ivf-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#aa0e8fc5e04cbd8e0dde61f98bc7dd0bc" > invlists< / a > );< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#ac124372fd2b67bb901f0c71235165216" > nlist< / a > = < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#afaf8b7aa3e846aa4553f6aae67827ec8" > nlist< / a > ;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   FAISS_THROW_IF_NOT_MSG (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > ,< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "stringliteral" > " only supports indexes with ArrayInvertedLists" < / span > );< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > .resize(< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#ac124372fd2b67bb901f0c71235165216" > nlist< / a > );< / 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 >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > shift_and_add (std::vector< T> & dst,< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordtype" > size_t< / span > < span class = "keyword" > remove< / span > ,< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keyword" > const< / span > std::vector< T> & src)< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > remove< / span > > 0)< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   memmove (dst.data(), dst.data() + < span class = "keyword" > remove< / span > ,< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   (dst.size() - < span class = "keyword" > remove< / span > ) * < span class = "keyword" > sizeof< / span > (T));< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keywordtype" > size_t< / span > insert_point = dst.size() - < span class = "keyword" > remove< / span > ;< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   dst.resize (insert_point + src.size());< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   memcpy (dst.data() + insert_point, src.data (), src.size() * < span class = "keyword" > sizeof< / span > (T));< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   }< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > remove_from_begin (std::vector< T> & v,< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordtype" > size_t< / span > < span class = "keyword" > remove< / span > )< / 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 >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > remove< / span > > 0)< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   v.erase (v.begin(), v.begin() + < span class = "keyword" > remove< / span > );< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   }< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#accf1c7b8de188b74de0d6827beceac7c" > 190< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#accf1c7b8de188b74de0d6827beceac7c" > SlidingIndexWindow::step< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *sub_index, < span class = "keywordtype" > bool< / span > remove_oldest) {< / 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 >   FAISS_THROW_IF_NOT_MSG (!remove_oldest || < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > n_slice< / a > > 0,< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "stringliteral" > " cannot remove slice: there is none" < / span > );< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > *ils2 = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > if< / span > (sub_index) {< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   check_compatible_for_merge (index, sub_index);< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   ils2 = < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > *< span class = "keyword" > > < / span > (< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   extract_index_ivf (sub_index)-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#aa0e8fc5e04cbd8e0dde61f98bc7dd0bc" > invlists< / a > );< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   FAISS_THROW_IF_NOT_MSG (ils2, < span class = "stringliteral" > " supports only ArrayInvertedLists" < / span > );< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   }< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > *index_ivf = extract_index_ivf (index);< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > if< / span > (remove_oldest & & ils2) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#ac124372fd2b67bb901f0c71235165216" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   std::vector< size_t> & sizesi = < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > [i];< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "keywordtype" > size_t< / span > amount_to_remove = sizesi[0];< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += ils2-> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i].size() - amount_to_remove;< / 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 >   shift_and_add (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i], amount_to_remove, ils2-> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i]);< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   shift_and_add (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> codes[i], amount_to_remove * < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ae06049e4259edb47d443ef87bdedc744" > code_size< / a > ,< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   ils2-> codes[i]);< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j + 1 < < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > n_slice< / a > ; j++) {< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   sizesi[j] = sizesi[j + 1] - amount_to_remove;< / 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 >   sizesi[n_slice - 1] = < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i].size();< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   }< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ils2) {< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#ac124372fd2b67bb901f0c71235165216" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > += ils2-> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i].size();< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   shift_and_add (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i], 0, ils2-> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i]);< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   shift_and_add (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> codes[i], 0, ils2-> codes[i]);< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > [i].push_back(< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i].size());< / 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 >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > n_slice< / a > ++;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (remove_oldest) {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#ac124372fd2b67bb901f0c71235165216" > nlist< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "keywordtype" > size_t< / span > amount_to_remove = < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > [i][0];< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > -= amount_to_remove;< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   remove_from_begin (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > ids< / a > [i], amount_to_remove);< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   remove_from_begin (< a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> codes[i],< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   amount_to_remove * < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > ils< / a > -> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ae06049e4259edb47d443ef87bdedc744" > code_size< / a > );< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j + 1 < < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > n_slice< / a > ; j++) {< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > [i][j] = < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > [i][j + 1] - amount_to_remove;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   }< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > sizes< / a > [i].pop_back ();< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   }< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < a class = "code" href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > n_slice< / a > --;< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   FAISS_THROW_MSG (< span class = "stringliteral" > " nothing to do???" < / span > );< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   }< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > = index_ivf-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / 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 >   < / div >
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< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "comment" > // Get a subset of inverted lists [i0, i1). Works on IndexIVF' s and< / span > < / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "comment" > // IndexIVF' s embedded in a IndexPreTransform< / 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 >   < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > *< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   get_invlist_range (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index, < span class = "keywordtype" > long< / span > i0, < span class = "keywordtype" > long< / span > i1)< / 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 >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > *ivf = extract_index_ivf (index);< / 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 >   FAISS_THROW_IF_NOT (0 < = i0 & & i0 < = i1 & & i1 < = ivf-> nlist);< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1InvertedLists.html" > InvertedLists< / a > *src = ivf-> < a class = "code" href = "structfaiss_1_1IndexIVF.html#aa0e8fc5e04cbd8e0dde61f98bc7dd0bc" > invlists< / a > ;< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > * il = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1ArrayInvertedLists.html" > ArrayInvertedLists< / a > (i1 - i0, src-> < a class = "code" href = "structfaiss_1_1InvertedLists.html#ae06049e4259edb47d443ef87bdedc744" > code_size< / a > );< / 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 >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = i0; i < i1; i++) {< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   il-> add_entries(i - i0, src-> < a class = "code" href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > list_size< / a > (i),< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < a class = "code" href = "structfaiss_1_1InvertedLists_1_1ScopedIds.html" > InvertedLists::ScopedIds< / a > (src, i).get(),< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < a class = "code" href = "structfaiss_1_1InvertedLists_1_1ScopedCodes.html" > InvertedLists::ScopedCodes< / a > (src, i).get());< / 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 >   < span class = "keywordflow" > return< / span > il;< / 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 >   < / div >
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< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordtype" > void< / span > set_invlist_range (Index *index, < span class = "keywordtype" > long< / span > i0, < span class = "keywordtype" > long< / span > i1,< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   ArrayInvertedLists * src)< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   {< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   IndexIVF *ivf = extract_index_ivf (index);< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   FAISS_THROW_IF_NOT (0 < = i0 & & i0 < = i1 & & i1 < = ivf-> nlist);< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   ArrayInvertedLists *dst = < span class = "keyword" > dynamic_cast< < / span > ArrayInvertedLists *< span class = "keyword" > > < / span > (ivf-> invlists);< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   FAISS_THROW_IF_NOT_MSG (dst, < span class = "stringliteral" > " only ArrayInvertedLists supported" < / span > );< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   FAISS_THROW_IF_NOT (src-> nlist == i1 - i0 & & < / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   dst-> code_size == src-> code_size);< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keywordtype" > size_t< / span > ntotal = index-> ntotal;< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = i0 ; i < i1; i++) {< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   ntotal -= dst-> list_size (i);< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   ntotal += src-> list_size (i - i0);< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   std::swap (src-> codes[i - i0], dst-> codes[i]);< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   std::swap (src-> ids[i - i0], dst-> ids[i]);< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   }< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   ivf-> ntotal = index-> ntotal = ntotal;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   }< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < / div >
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< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < / div >
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< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "keywordtype" > void< / span > search_with_parameters (< span class = "keyword" > const< / span > Index *index,< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   idx_t n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x, idx_t k,< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordtype" > float< / span > *distances, idx_t *labels,< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   IVFSearchParameters *params)< / 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 >   FAISS_THROW_IF_NOT (params);< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *prev_x = x;< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   ScopeDeleter< float> del;< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keywordflow" > if< / span > (< span class = "keyword" > auto< / span > ip = dynamic_cast< const IndexPreTransform *> (index)) {< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   x = ip-> apply_chain (n, x);< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > if< / span > (x != prev_x) {< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   del.set(x);< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   }< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   index = ip-> index;< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   }< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   std::vector< idx_t> Iq(params-> nprobe * n);< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   std::vector< float> Dq(params-> nprobe * n);< / 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 = "keyword" > const< / span > IndexIVF *index_ivf = < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > IndexIVF *< span class = "keyword" > > < / span > (index);< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   FAISS_THROW_IF_NOT (index_ivf);< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   index_ivf-> quantizer-> search(n, x, params-> nprobe,< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   Dq.data(), Iq.data());< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   index_ivf-> search_preassigned(n, x, k, Iq.data(), Dq.data(),< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   distances, labels,< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keyword" > false< / span > , params);< / 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 >   < / div >
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< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < / div >
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< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   } } < span class = "comment" > // namespace faiss::ivflib< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00090" > IndexIVF.h:90< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexPreTransform_html_aee3cbbe7915ec9ed13d59ca9276bdefc" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPreTransform.html#aee3cbbe7915ec9ed13d59ca9276bdefc" > faiss::IndexPreTransform::index< / a > < / div > < div class = "ttdeci" > Index * index< / div > < div class = "ttdoc" > ! chain of tranforms < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00274" > VectorTransform.h:274< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a7cf3a1963394f87d61913420a66eb468" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a7cf3a1963394f87d61913420a66eb468" > faiss::IndexIVF::search_preassigned< / a > < / div > < div class = "ttdeci" > virtual void search_preassigned(idx_t n, const float *x, idx_t k, const idx_t *assign, const float *centroid_dis, float *distances, idx_t *labels, bool store_pairs, const IVFSearchParameters *params=nullptr) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00250" > IndexIVF.cpp:250< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ArrayInvertedLists_html" > < div class = "ttname" > < a href = "structfaiss_1_1ArrayInvertedLists.html" > faiss::ArrayInvertedLists< / a > < / div > < div class = "ttdoc" > simple (default) implementation as an array of inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00182" > InvertedLists.h:182< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a7fc8b9a1fff9f3d24cf7055fbc4fed7b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a7fc8b9a1fff9f3d24cf7055fbc4fed7b" > faiss::IndexIVF::check_compatible_for_merge< / a > < / div > < div class = "ttdeci" > void check_compatible_for_merge(const IndexIVF & other) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8cpp_source.html#l00710" > IndexIVF.cpp:710< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_affed235eadf27a13d753ee4d33a1dc58" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58" > faiss::IndexIVF::nprobe< / a > < / div > < div class = "ttdeci" > size_t nprobe< / div > < div class = "ttdoc" > number of probes at query time < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00097" > IndexIVF.h:97< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > faiss::Index::assign< / a > < / div > < div class = "ttdeci" > void assign(idx_t n, const float *x, idx_t *labels, idx_t k=1)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8cpp_source.html#l00034" > Index.cpp:34< / a > < / div > < / div >
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< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_a9bd256053ee360473842105460fe285f" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#a9bd256053ee360473842105460fe285f" > faiss::InvertedLists::list_size< / a > < / div > < div class = "ttdeci" > virtual size_t list_size(size_t list_no) const =0< / div > < div class = "ttdoc" > get the size of a list < / div > < / div >
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< div class = "ttc" id = "structfaiss_1_1ivflib_1_1SlidingIndexWindow_html_ac124372fd2b67bb901f0c71235165216" > < div class = "ttname" > < a href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#ac124372fd2b67bb901f0c71235165216" > faiss::ivflib::SlidingIndexWindow::nlist< / a > < / div > < div class = "ttdeci" > size_t nlist< / div > < div class = "ttdoc" > same as index-& gt;nlist < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFlib_8h_source.html#l00094" > IVFlib.h:94< / 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#l00271" > VectorTransform.h:271< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html" > faiss::InvertedLists< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00031" > InvertedLists.h:31< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_a21b52cdb0601cd225bd7924932310876" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#a21b52cdb0601cd225bd7924932310876" > faiss::InvertedLists::get_single_id< / a > < / div > < div class = "ttdeci" > virtual idx_t get_single_id(size_t list_no, size_t offset) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8cpp_source.html#l00035" > InvertedLists.cpp:35< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_ae06049e4259edb47d443ef87bdedc744" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#ae06049e4259edb47d443ef87bdedc744" > faiss::InvertedLists::code_size< / a > < / div > < div class = "ttdeci" > size_t code_size< / div > < div class = "ttdoc" > code size per vector in bytes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00035" > InvertedLists.h:35< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ivflib_1_1SlidingIndexWindow_html_a10d876a9c750bc95986a22a57cf4fdc7" > < div class = "ttname" > < a href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a10d876a9c750bc95986a22a57cf4fdc7" > faiss::ivflib::SlidingIndexWindow::ils< / a > < / div > < div class = "ttdeci" > ArrayInvertedLists * ils< / div > < div class = "ttdoc" > InvertedLists of index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFlib_8h_source.html#l00088" > IVFlib.h:88< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ivflib_1_1SlidingIndexWindow_html_a8defa5121e371e64071c0eb956ad20d1" > < div class = "ttname" > < a href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a8defa5121e371e64071c0eb956ad20d1" > faiss::ivflib::SlidingIndexWindow::n_slice< / a > < / div > < div class = "ttdeci" > int n_slice< / div > < div class = "ttdoc" > number of slices currently in index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFlib_8h_source.html#l00091" > IVFlib.h:91< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ivflib_1_1SlidingIndexWindow_html_a6dfc430601d194c428c2a25e3afa4492" > < div class = "ttname" > < a href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6dfc430601d194c428c2a25e3afa4492" > faiss::ivflib::SlidingIndexWindow::sizes< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< size_t > > sizes< / div > < div class = "ttdoc" > cumulative list sizes at each slice < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFlib_8h_source.html#l00097" > IVFlib.h:97< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ivflib_1_1SlidingIndexWindow_html_a6347809123313ca945defdc7ddcd1465" > < div class = "ttname" > < a href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#a6347809123313ca945defdc7ddcd1465" > faiss::ivflib::SlidingIndexWindow::SlidingIndexWindow< / a > < / div > < div class = "ttdeci" > SlidingIndexWindow(Index *index)< / div > < div class = "ttdoc" > index should be initially empty and trained < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFlib_8cpp_source.html#l00159" > IVFlib.cpp:159< / a > < / div > < / div >
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< div class = "ttc" id = "structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > faiss::Index::ntotal< / a > < / div > < div class = "ttdeci" > idx_t ntotal< / div > < div class = "ttdoc" > total nb of indexed vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00067" > Index.h:67< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > faiss::Index::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0< / div > < / div >
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< div class = "ttc" id = "structfaiss_1_1ivflib_1_1SlidingIndexWindow_html_accf1c7b8de188b74de0d6827beceac7c" > < div class = "ttname" > < a href = "structfaiss_1_1ivflib_1_1SlidingIndexWindow.html#accf1c7b8de188b74de0d6827beceac7c" > faiss::ivflib::SlidingIndexWindow::step< / a > < / div > < div class = "ttdeci" > void step(const Index *sub_index, bool remove_oldest)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IVFlib_8cpp_source.html#l00190" > IVFlib.cpp:190< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_html_afaf8b7aa3e846aa4553f6aae67827ec8" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists.html#afaf8b7aa3e846aa4553f6aae67827ec8" > faiss::InvertedLists::nlist< / a > < / div > < div class = "ttdeci" > size_t nlist< / div > < div class = "ttdoc" > number of possible key values < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00034" > InvertedLists.h:34< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_aa0e8fc5e04cbd8e0dde61f98bc7dd0bc" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#aa0e8fc5e04cbd8e0dde61f98bc7dd0bc" > faiss::IndexIVF::invlists< / a > < / div > < div class = "ttdeci" > InvertedLists * invlists< / div > < div class = "ttdoc" > Acess to the actual data. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00092" > IndexIVF.h:92< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ArrayInvertedLists_html_a48563a58d3bbfbb4334f3afdf2c9ba7a" > < div class = "ttname" > < a href = "structfaiss_1_1ArrayInvertedLists.html#a48563a58d3bbfbb4334f3afdf2c9ba7a" > faiss::ArrayInvertedLists::ids< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< idx_t > > ids< / div > < div class = "ttdoc" > Inverted lists for indexes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00184" > InvertedLists.h:184< / 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 = "structfaiss_1_1Level1Quantizer_html_a3cf99e2ee92b8558a066f821efab95d5" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5" > faiss::Level1Quantizer::quantizer< / a > < / div > < div class = "ttdeci" > Index * quantizer< / div > < div class = "ttdoc" > quantizer that maps vectors to inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00032" > IndexIVF.h:32< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_1_1ScopedIds_html" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists_1_1ScopedIds.html" > faiss::InvertedLists::ScopedIds< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00136" > InvertedLists.h:136< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1InvertedLists_1_1ScopedCodes_html" > < div class = "ttname" > < a href = "structfaiss_1_1InvertedLists_1_1ScopedCodes.html" > faiss::InvertedLists::ScopedCodes< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "InvertedLists_8h_source.html#l00156" > InvertedLists.h:156< / a > < / div > < / div >
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