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2017-02-23 06:26:44 +08:00
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< div class = "title" > /data/users/hoss/faiss/AutoTune.cpp< / div > < / div >
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 = "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 = "comment" > /*< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "comment" > * implementation of Hyper-parameter auto-tuning< / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > */< / 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 " AutoTune.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 = "preprocessor" > #include < cmath> < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include < stdarg.h> < / span > < span class = "comment" > /* va_list, va_start, va_arg, va_end */< / span > < / div >
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< 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 >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " FaissAssert.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " utils.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " IndexFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #include " VectorTransform.h" < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "preprocessor" > #include " IndexLSH.h" < / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "preprocessor" > #include " IndexPQ.h" < / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "preprocessor" > #include " IndexIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "preprocessor" > #include " IndexIVFPQ.h" < / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "preprocessor" > #include " IndexIVFFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "preprocessor" > #include " MetaIndexes.h" < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "preprocessor" > #include " IndexScalarQuantizer.h" < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "preprocessor" > #include " IndexHNSW.h" < / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "preprocessor" > #include " IndexBinaryFlat.h" < / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "preprocessor" > #include " IndexBinaryHNSW.h" < / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "preprocessor" > #include " IndexBinaryIVF.h" < / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > < a class = "line" href = "namespacefaiss.html" > 37< / a > < / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
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< 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 >   < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   AutoTuneCriterion::AutoTuneCriterion (idx_t nq, idx_t nnn):< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   nq (nq), nnn (nnn), gt_nnn (0)< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   {}< / div >
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< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < / div >
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< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1AutoTuneCriterion.html#a174f0de8e6fd01905f5fa2170f5039d8" > 45< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a174f0de8e6fd01905f5fa2170f5039d8" > AutoTuneCriterion::set_groundtruth< / a > (< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordtype" > int< / span > gt_nnn, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *gt_D_in, < span class = "keyword" > const< / span > idx_t *gt_I_in)< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   this-> gt_nnn = < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > gt_nnn< / a > ;< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordflow" > if< / span > (gt_D_in) { < span class = "comment" > // allow null for this, as it is often not used< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b" > gt_D< / a > .resize (nq * gt_nnn);< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   memcpy (< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b" > gt_D< / a > .data(), gt_D_in, < span class = "keyword" > sizeof< / span > (< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b" > gt_D< / a > [0]) * nq * gt_nnn);< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   }< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > .resize (nq * gt_nnn);< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   memcpy (< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > .data(), gt_I_in, < span class = "keyword" > sizeof< / span > (< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > [0]) * nq * gt_nnn);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   }< / div >
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< 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 >
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< 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 >   OneRecallAtRCriterion::OneRecallAtRCriterion (idx_t nq, idx_t R):< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html" > AutoTuneCriterion< / a > (nq, R), R(R)< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   {}< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OneRecallAtRCriterion.html#afe472c2ae38534c293b02feebf87988d" > 63< / a > < / span >   < span class = "keywordtype" > double< / span > < a class = "code" href = "structfaiss_1_1OneRecallAtRCriterion.html#afe472c2ae38534c293b02feebf87988d" > OneRecallAtRCriterion::evaluate< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * < span class = "comment" > /*D*/< / span > , < span class = "keyword" > const< / span > idx_t* I)< span class = "keyword" > < / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   FAISS_THROW_IF_NOT_MSG(< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   (< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > .size() == < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > gt_nnn< / a > * nq & & < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > gt_nnn< / a > > = 1 & & nnn > = R),< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "stringliteral" > " ground truth not initialized" < / span > );< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   idx_t n_ok = 0;< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordflow" > for< / span > (idx_t q = 0; q < < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b" > nq< / a > ; q++) {< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   idx_t gt_nn = < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > [q * < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > gt_nnn< / a > ];< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keyword" > const< / span > idx_t* I_line = I + q * < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > ;< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < R; i++) {< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > if< / span > (I_line[i] == gt_nn) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   n_ok++;< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   }< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   }< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   }< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordflow" > return< / span > n_ok / double(nq);< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   }< / div >
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< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < / div >
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< 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 >   IntersectionCriterion::IntersectionCriterion (idx_t nq, idx_t R):< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html" > AutoTuneCriterion< / a > (nq, R), R(R)< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   {}< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IntersectionCriterion.html#a6f7aef25852931b22298f7bb4c358791" > 87< / a > < / span >   < span class = "keywordtype" > double< / span > < a class = "code" href = "structfaiss_1_1IntersectionCriterion.html#a6f7aef25852931b22298f7bb4c358791" > IntersectionCriterion::evaluate< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * < span class = "comment" > /*D*/< / span > , < span class = "keyword" > const< / span > idx_t* I)< span class = "keyword" > < / span > < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   FAISS_THROW_IF_NOT_MSG(< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   (< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > .size() == < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > gt_nnn< / a > * nq & & < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > gt_nnn< / a > > = R & & nnn > = R),< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "stringliteral" > " ground truth not initialized" < / span > );< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > long< / span > n_ok = 0;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "preprocessor" > #pragma omp parallel for reduction(+: n_ok)< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (idx_t q = 0; q < < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b" > nq< / a > ; q++) {< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   n_ok += < a class = "code" href = "namespacefaiss.html#a8dbc652ba48d41f126b8815004899448" > ranklist_intersection_size< / a > (< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   R, & < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > gt_I< / a > [q * gt_nnn],< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   R, I + q * nnn);< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   }< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordflow" > return< / span > n_ok / double (nq * R);< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   }< / 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 >   < span class = "comment" > /***************************************************************< / span > < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > * OperatingPoints< / span > < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > ***************************************************************/< / span > < / 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 >   OperatingPoints::OperatingPoints ()< / div >
< 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 >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679" > clear< / a > ();< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   }< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679" > 111< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679" > OperatingPoints::clear< / a > ()< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > .clear();< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > .clear();< span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "comment" > /// default point: doing nothing gives 0 performance and takes 0 time< / span > < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > < / span > < a class = "code" href = "structfaiss_1_1OperatingPoint.html" > OperatingPoint< / a > op = {0, 0, < span class = "stringliteral" > " " < / span > , -1};< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > .push_back(op);< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "comment" > /// add a performance measure< / span > < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df" > 121< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df" > OperatingPoints::add< / a > (< span class = "keywordtype" > double< / span > perf, < span class = "keywordtype" > double< / span > t, < span class = "keyword" > const< / span > std::string & key,< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordtype" > size_t< / span > cno)< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoint.html" > OperatingPoint< / a > op = {perf, t, key, long(cno)};< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > .push_back (op);< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordflow" > if< / span > (perf == 0) {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ; < span class = "comment" > // no method for 0 accuracy is faster than doing nothing< / span > < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   }< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   std::vector< OperatingPoint> & a = < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > ;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordflow" > if< / span > (perf > a.back().perf) {< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "comment" > // keep unconditionally< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   a.push_back (op);< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (perf == a.back().perf) {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordflow" > if< / span > (t < a.back ().t) {< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   a.back() = op;< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / 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 >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordtype" > int< / span > i;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > // stricto sensu this should be a bissection< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keywordflow" > for< / span > (i = 0; i < a.size(); i++) {< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "keywordflow" > if< / span > (a[i].perf > = perf) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   }< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   assert (i < a.size());< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > if< / span > (t < a[i].t) {< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "keywordflow" > if< / span > (a[i].perf == perf) {< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   a[i] = op;< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   a.insert (a.begin() + i, op);< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   }< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / 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 >   { < span class = "comment" > // remove non-optimal points from array< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordtype" > int< / span > i = a.size() - 1;< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > while< / span > (i > 0) {< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > if< / span > (a[i].t < a[i - 1].t)< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   a.erase (a.begin() + (i - 1));< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   i--;< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   }< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   }< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   }< / div >
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< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
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< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OperatingPoints.html#a84baddccd8b803dee460739f8bcbc0c9" > 168< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a84baddccd8b803dee460739f8bcbc0c9" > OperatingPoints::merge_with< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html" > OperatingPoints< / a > & other,< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keyword" > const< / span > std::string & prefix)< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   {< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordtype" > int< / span > n_add = 0;< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < other.< a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1OperatingPoint.html" > OperatingPoint< / a > & op = other.< a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > [i];< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df" > add< / a > (op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#ad218d1641b6e32d043a215542485a457" > perf< / a > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a886492ffe2b337539fadc798c8f4a6a8" > t< / a > , prefix + op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#aa13782d6d26168531764cb64da941ced" > key< / a > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a2c023f1484e4748e3e97681bb1f4b78e" > cno< / a > ))< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   n_add++;< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   }< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keywordflow" > return< / span > n_add;< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   }< / div >
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< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
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< 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 >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "comment" > /// get time required to obtain a given performance measure< / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OperatingPoints.html#a3a0723e0900f7048ac9567341de5ee56" > 183< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > double< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a3a0723e0900f7048ac9567341de5ee56" > OperatingPoints::t_for_perf< / a > (< span class = "keywordtype" > double< / span > perf)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keyword" > const< / span > std::vector< OperatingPoint> & a = < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > ;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keywordflow" > if< / span > (perf > a.back().perf) < span class = "keywordflow" > return< / span > 1e50;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordtype" > int< / span > i0 = -1, i1 = a.size() - 1;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > while< / span > (i0 + 1 < i1) {< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "keywordtype" > int< / span > imed = (i0 + i1 + 1) / 2;< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "keywordflow" > if< / span > (a[imed].perf < perf) i0 = imed;< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "keywordflow" > else< / span > i1 = imed;< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   }< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keywordflow" > return< / span > a[i1].t;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OperatingPoints.html#a84e6a4d2f595982b9d900c8585424f9b" > 197< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a84e6a4d2f595982b9d900c8585424f9b" > OperatingPoints::all_to_gnuplot< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *fname)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   FILE *f = fopen(fname, < span class = "stringliteral" > " w" < / span > );< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordflow" > if< / span > (!f) {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   fprintf (stderr, < span class = "stringliteral" > " cannot open %s" < / span > , fname);< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   perror(< span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   abort();< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   }< / 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_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1OperatingPoint.html" > OperatingPoint< / a > & op = < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > [i];< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   fprintf (f, < span class = "stringliteral" > " %g %g %s\n" < / span > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#ad218d1641b6e32d043a215542485a457" > perf< / a > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a886492ffe2b337539fadc798c8f4a6a8" > t< / a > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#aa13782d6d26168531764cb64da941ced" > key< / a > .c_str());< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   }< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   fclose(f);< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   }< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keywordtype" > void< / span > OperatingPoints::optimal_to_gnuplot (< span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *fname)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   FILE *f = fopen(fname, < span class = "stringliteral" > " w" < / span > );< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keywordflow" > if< / span > (!f) {< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   fprintf (stderr, < span class = "stringliteral" > " cannot open %s" < / span > , fname);< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   perror(< span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   abort();< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   }< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordtype" > double< / span > prev_perf = 0.0;< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keyword" > const< / span > OperatingPoint & op = < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > [i];< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   fprintf (f, < span class = "stringliteral" > " %g %g\n" < / span > , prev_perf, op.t);< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   fprintf (f, < span class = "stringliteral" > " %g %g %s\n" < / span > , op.perf, op.t, op.key.c_str());< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   prev_perf = op.perf;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   }< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   fclose(f);< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   }< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1OperatingPoints.html#ab146ed35f0c8f0c48983a054337a98e1" > 230< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1OperatingPoints.html#ab146ed35f0c8f0c48983a054337a98e1" > OperatingPoints::display< / a > (< span class = "keywordtype" > bool< / span > only_optimal)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keyword" > const< / span > std::vector< OperatingPoint> & pts =< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   only_optimal ? < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > : < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > ;< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   printf(< span class = "stringliteral" > " Tested %ld operating points, %ld ones are optimal:\n" < / span > ,< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > .size(), < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > .size());< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < pts.size(); i++) {< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1OperatingPoint.html" > OperatingPoint< / a > & op = pts[i];< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *star = < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keywordflow" > if< / span > (!only_optimal) {< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > .size(); j++) {< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordflow" > if< / span > (op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a2c023f1484e4748e3e97681bb1f4b78e" > cno< / a > == < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > optimal_pts< / a > [j].cno) {< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   star = < span class = "stringliteral" > " *" < / span > ;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< 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 >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   }< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   printf (< span class = "stringliteral" > " cno=%ld key=%s perf=%.4f t=%.3f %s\n" < / span > ,< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a2c023f1484e4748e3e97681bb1f4b78e" > cno< / a > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#aa13782d6d26168531764cb64da941ced" > key< / a > .c_str(), op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#ad218d1641b6e32d043a215542485a457" > perf< / a > , op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a886492ffe2b337539fadc798c8f4a6a8" > t< / a > , star);< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   }< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   }< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "comment" > /***************************************************************< / span > < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "comment" > * ParameterSpace< / span > < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "comment" > ***************************************************************/< / span > < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   ParameterSpace::ParameterSpace ():< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   verbose (1), n_experiments (500),< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   batchsize (1< < 30), thread_over_batches (false),< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   min_test_duration (0)< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   }< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "comment" > /* not keeping this constructor as inheritors will call the parent< / span > < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "comment" > initialize()< / span > < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "preprocessor" > #if 0< / span > < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "preprocessor" > < / span > ParameterSpace::ParameterSpace (Index *index):< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   verbose (1), n_experiments (500),< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   batchsize (1< < 30), thread_over_batches (false)< / 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 >   {< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   initialize(index);< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   }< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#a488329e3c1f08b9980d8e0f9c1491c75" > 279< / a > < / span >   < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a488329e3c1f08b9980d8e0f9c1491c75" > ParameterSpace::n_combinations< / a > ()< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordtype" > size_t< / span > n = 1;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > .size(); i++)< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   n *= < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > [i].values.size();< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordflow" > return< / span > n;< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   }< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "comment" > /// get string representation of the combination< / span > < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > 288< / a > < / span >   < span class = "comment" > < / span > std::string < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > ParameterSpace::combination_name< / a > (< span class = "keywordtype" > size_t< / span > cno)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordtype" > char< / span > buf[1000], *wp = buf;< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   *wp = 0;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > [i];< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordtype" > size_t< / span > j = cno % pr.values.size();< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   cno /= pr.values.size();< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   wp += snprintf (< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   wp, buf + 1000 - wp, < span class = "stringliteral" > " %s%s=%g" < / span > , i == 0 ? < span class = "stringliteral" > " " < / span > : < span class = "stringliteral" > " ," < / span > ,< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   pr.name.c_str(), pr.values[j]);< / 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 >   < span class = "keywordflow" > return< / span > std::string (buf);< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#a7cdedaf4bab33293771c4267d453a950" > 303< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7cdedaf4bab33293771c4267d453a950" > ParameterSpace::combination_ge< / a > (< span class = "keywordtype" > size_t< / span > c1, < span class = "keywordtype" > size_t< / span > c2)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "keywordtype" > int< / span > nval = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > [i].values.size();< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordtype" > size_t< / span > j1 = c1 % nval;< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "keywordtype" > size_t< / span > j2 = c2 % nval;< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "keywordflow" > if< / span > (!(j1 > = j2)) < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   c1 /= nval;< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   c2 /= nval;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   }< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < span class = "preprocessor" > #define DC(classname) \< / span > < / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < span class = "preprocessor" > const classname *ix = dynamic_cast< const classname *> (index)< / span > < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > init_pq_ParameterRange (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1ProductQuantizer.html" > ProductQuantizer< / a > & pq,< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr)< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   {< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordflow" > if< / span > (pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aa61330eadb84772b71018b093773a5f9" > code_size< / a > % 4 == 0) {< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "comment" > // Polysemous not supported for code sizes that are not a< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "comment" > // multiple of 4< / span > < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 2; i < = pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aa61330eadb84772b71018b093773a5f9" > code_size< / a > * 8 / 2; i+= 2)< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   pr.values.push_back(i);< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   }< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   pr.values.push_back (pq.< a class = "code" href = "structfaiss_1_1ProductQuantizer.html#aa61330eadb84772b71018b093773a5f9" > code_size< / a > * 8);< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   }< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > 333< / a > < / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > ParameterSpace::add_range< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * name)< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   {< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > & pr : < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > ) {< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "keywordflow" > if< / span > (pr.name == name) {< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keywordflow" > return< / span > pr;< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   }< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   }< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   parameter_ranges.push_back (< a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > ());< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   parameter_ranges.back ().name = name;< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < span class = "keywordflow" > return< / span > parameter_ranges.back ();< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   }< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "comment" > /// initialize with reasonable parameters for the index< / span > < / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#a9304975f379738eda384385eace8ad76" > 347< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a9304975f379738eda384385eace8ad76" > ParameterSpace::initialize< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * index)< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   {< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > )) {< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   index = ix-> index;< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   }< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexRefineFlat.html" > IndexRefineFlat< / a > )) {< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " k_factor_rf" < / span > );< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < = 6; i++) {< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   pr.values.push_back (1 < < i);< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   }< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   index = ix-> base_index;< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   }< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > )) {< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   index = ix-> index;< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   }< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > )) {< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   {< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " nprobe" < / span > );< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 13; i++) {< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "keywordtype" > size_t< / span > nprobe = 1 < < i;< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < span class = "keywordflow" > if< / span > (nprobe > = ix-> nlist) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   pr.values.push_back (nprobe);< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   }< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   }< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < span class = "keywordflow" > if< / span > (dynamic_cast< const IndexHNSW*> (ix-> quantizer)) {< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " efSearch" < / span > );< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 2; i < = 9; i++) {< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   pr.values.push_back (1 < < i);< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   }< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   }< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   }< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPQ.html" > IndexPQ< / a > )) {< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " ht" < / span > );< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   init_pq_ParameterRange (ix-> pq, pr);< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   }< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > IndexIVFPQ< / a > )) {< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " ht" < / span > );< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   init_pq_ParameterRange (ix-> pq, pr);< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   }< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > )) {< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1MultiIndexQuantizer.html" > MultiIndexQuantizer< / a > *miq =< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "structfaiss_1_1MultiIndexQuantizer.html" > MultiIndexQuantizer< / a > *< span class = "keyword" > > < / span > (ix-> quantizer);< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   < span class = "keywordflow" > if< / span > (miq) {< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr_max_codes = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " max_codes" < / span > );< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 8; i < 20; i++) {< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   pr_max_codes.values.push_back (1 < < i);< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   }< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   pr_max_codes.values.push_back (< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   std::numeric_limits< double> ::infinity()< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   );< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   }< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   }< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVFPQR.html" > IndexIVFPQR< / a > )) {< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " k_factor" < / span > );< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < = 6; i++) {< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   pr.values.push_back (1 < < i);< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   }< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   }< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < span class = "keywordflow" > if< / span > (dynamic_cast< const IndexHNSW*> (index)) {< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > add_range< / a > (< span class = "stringliteral" > " efSearch" < / span > );< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 2; i < = 9; i++) {< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   pr.values.push_back (1 < < i);< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   }< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   }< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   }< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < span class = "preprocessor" > #undef DC< / span > < / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < span class = "preprocessor" > < / span > < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "comment" > // non-const version< / span > < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "preprocessor" > #define DC(classname) classname *ix = dynamic_cast< classname *> (index)< / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "comment" > /// set a combination of parameters on an index< / span > < / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4" > 422< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4" > ParameterSpace::set_index_parameters< / a > (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index, < span class = "keywordtype" > size_t< / span > cno)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > [i];< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < span class = "keywordtype" > size_t< / span > j = cno % pr.values.size();< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   cno /= pr.values.size();< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "keywordtype" > double< / span > val = pr.values [j];< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (index, pr.name, val);< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   }< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   }< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "comment" > /// set a combination of parameters on an index< / span > < / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#aef1f2af781a71e7f0cf6f67603ef7cc1" > 435< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4" > ParameterSpace::set_index_parameters< / a > (< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index, < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *description_in)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "keywordtype" > char< / span > description[strlen(description_in) + 1];< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "keywordtype" > char< / span > *ptr;< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   memcpy (description, description_in, strlen(description_in) + 1);< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > char< / span > *tok = strtok_r (description, < span class = "stringliteral" > " ," < / span > , & ptr);< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   tok;< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   tok = strtok_r (< span class = "keyword" > nullptr< / span > , < span class = "stringliteral" > " ," < / span > , & ptr)) {< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < span class = "keywordtype" > char< / span > name[100];< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "keywordtype" > double< / span > val;< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < span class = "keywordtype" > int< / span > ret = sscanf (tok, < span class = "stringliteral" > " %100[^=]=%lf" < / span > , name, & val);< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   FAISS_THROW_IF_NOT_FMT (< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   ret == 2, < span class = "stringliteral" > " could not interpret parameters %s" < / span > , tok);< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (index, name, val);< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   }< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   }< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > 455< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > ParameterSpace::set_index_parameter< / a > (< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * index, < span class = "keyword" > const< / span > std::string & name, < span class = "keywordtype" > double< / span > val)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0" > verbose< / a > > 1)< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   printf(< span class = "stringliteral" > " set %s=%g\n" < / span > , name.c_str(), val);< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   < / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " verbose" < / span > ) {< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > = int(val);< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < span class = "comment" > // and fall through to also enable it on sub-indexes< / span > < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   }< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > )) {< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (ix-> index, name, val);< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   }< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexShardsTemplate.html" > IndexShards< / a > )) {< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < span class = "comment" > // call on all sub-indexes< / span > < / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < span class = "keyword" > auto< / span > fn =< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   [< span class = "keyword" > this< / span > , name, val](int, < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * subIndex) {< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (subIndex, name, val);< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   };< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   ix-> runOnIndex(fn);< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   }< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "classfaiss_1_1IndexReplicasTemplate.html" > IndexReplicas< / a > )) {< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   < span class = "comment" > // call on all sub-indexes< / span > < / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < span class = "keyword" > auto< / span > fn =< / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   [< span class = "keyword" > this< / span > , name, val](int, < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * subIndex) {< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (subIndex, name, val);< / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   };< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   < / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   ix-> runOnIndex(fn);< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   }< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexRefineFlat.html" > IndexRefineFlat< / a > )) {< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " k_factor_rf" < / span > ) {< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   ix-> k_factor = int(val);< / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   }< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < span class = "comment" > // otherwise it is for the sub-index< / span > < / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (& ix-> refine_index, name, val);< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   }< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   < / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " verbose" < / span > ) {< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > = int(val);< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < span class = "keywordflow" > return< / span > ; < span class = "comment" > // last verbose that we could find< / span > < / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   }< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " nprobe" < / span > ) {< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIDMap.html" > IndexIDMap< / a > )) {< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > set_index_parameter< / a > (ix-> index, name, val);< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > )) {< / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   ix-> nprobe = int(val);< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   }< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   }< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " ht" < / span > ) {< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexPQ.html" > IndexPQ< / a > )) {< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < span class = "keywordflow" > if< / span > (val > = ix-> pq.code_size * 8) {< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   ix-> search_type = < a class = "code" href = "structfaiss_1_1IndexPQ.html#a4fa05430935a02b62b7c15c9840c42fea00f77a4f8209c30c3ef37ccfd3d0c10a" > IndexPQ::ST_PQ< / a > ;< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   ix-> search_type = < a class = "code" href = "structfaiss_1_1IndexPQ.html#a4fa05430935a02b62b7c15c9840c42feaf06a0e6b53f9cbe1c791c6912169b738" > IndexPQ::ST_polysemous< / a > ;< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   ix-> polysemous_ht = int(val);< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   }< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > IndexIVFPQ< / a > )) {< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   < span class = "keywordflow" > if< / span > (val > = ix-> pq.code_size * 8) {< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   ix-> polysemous_ht = 0;< / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   ix-> polysemous_ht = int(val);< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   }< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   }< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   }< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   < / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " k_factor" < / span > ) {< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVFPQR.html" > IndexIVFPQR< / a > )) {< / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   ix-> k_factor = val;< / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   }< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   }< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " max_codes" < / span > ) {< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > )) {< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   ix-> max_codes = std::isfinite(val) ? size_t(val) : 0;< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   }< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   < span class = "keywordflow" > if< / span > (name == < span class = "stringliteral" > " efSearch" < / span > ) {< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexHNSW.html" > IndexHNSW< / a > )) {< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   ix-> hnsw.efSearch = int(val);< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   }< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   < span class = "keywordflow" > if< / span > (DC (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > )) {< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexHNSW.html" > IndexHNSW< / a > *cq =< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   dynamic_cast< IndexHNSW *> (ix-> quantizer)) {< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   cq-> hnsw.efSearch = int(val);< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   }< / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   }< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   < / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   FAISS_THROW_FMT (< span class = "stringliteral" > " ParameterSpace::set_index_parameter:" < / span > < / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   < span class = "stringliteral" > " could not set parameter %s" < / span > ,< / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   name.c_str());< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   }< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   < / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#aa4bb1f0008689903aa936baee61d09d0" > 565< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aa4bb1f0008689903aa936baee61d09d0" > ParameterSpace::display< / a > ()< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   printf (< span class = "stringliteral" > " ParameterSpace, %ld parameters, %ld combinations:\n" < / span > ,< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > .size (), < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a488329e3c1f08b9980d8e0f9c1491c75" > n_combinations< / a > ());< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1ParameterRange.html" > ParameterRange< / a > & pr = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > parameter_ranges< / a > [i];< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   printf (< span class = "stringliteral" > " %s: " < / span > , pr.name.c_str ());< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   < span class = "keywordtype" > char< / span > sep = < span class = "charliteral" > ' [' < / span > ;< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < pr.values.size(); j++) {< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   printf (< span class = "stringliteral" > " %c %g" < / span > , sep, pr.values [j]);< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   sep = < span class = "charliteral" > ' ,' < / span > ;< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   }< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   printf (< span class = "stringliteral" > " ]\n" < / span > );< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   }< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   }< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   < / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#ab7039882ec68aabc6c52cff883f75c28" > 583< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ab7039882ec68aabc6c52cff883f75c28" > ParameterSpace::update_bounds< / a > (< span class = "keywordtype" > size_t< / span > cno, < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1OperatingPoint.html" > OperatingPoint< / a > & op,< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   < span class = "keywordtype" > double< / span > *upper_bound_perf,< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   < span class = "keywordtype" > double< / span > *lower_bound_t)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7cdedaf4bab33293771c4267d453a950" > combination_ge< / a > (cno, op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a2c023f1484e4748e3e97681bb1f4b78e" > cno< / a > )) {< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < span class = "keywordflow" > if< / span > (op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a886492ffe2b337539fadc798c8f4a6a8" > t< / a > > *lower_bound_t) *lower_bound_t = op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a886492ffe2b337539fadc798c8f4a6a8" > t< / a > ;< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   }< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7cdedaf4bab33293771c4267d453a950" > combination_ge< / a > (op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#a2c023f1484e4748e3e97681bb1f4b78e" > cno< / a > , cno)) {< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   < span class = "keywordflow" > if< / span > (op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#ad218d1641b6e32d043a215542485a457" > perf< / a > < *upper_bound_perf) *upper_bound_perf = op.< a class = "code" href = "structfaiss_1_1OperatingPoint.html#ad218d1641b6e32d043a215542485a457" > perf< / a > ;< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   }< / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   < / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ParameterSpace.html#a57728d29c4785d9003b9cd564d0c51b2" > 597< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a57728d29c4785d9003b9cd564d0c51b2" > ParameterSpace::explore< / a > (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index,< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < span class = "keywordtype" > size_t< / span > nq, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *xq,< / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html" > AutoTuneCriterion< / a > & crit,< / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   < a class = "code" href = "structfaiss_1_1OperatingPoints.html" > OperatingPoints< / a > * ops)< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   FAISS_THROW_IF_NOT_MSG (nq == crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b" > nq< / a > ,< / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   < span class = "stringliteral" > " criterion does not have the same nb of queries" < / span > );< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   < / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < span class = "keywordtype" > size_t< / span > n_comb = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a488329e3c1f08b9980d8e0f9c1491c75" > n_combinations< / a > ();< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   < / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a76aeae25b3269fb24a26194fbe013b86" > n_experiments< / a > == 0) {< / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   < / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > cno = 0; cno < n_comb; cno++) {< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4" > set_index_parameters< / a > (index, cno);< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   std::vector< Index::idx_t> I(nq * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > );< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   std::vector< float> D(nq * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > );< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   < span class = "keywordtype" > double< / span > t0 = < a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > ();< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > search< / a > (nq, xq, crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > , D.data(), I.data());< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   < span class = "keywordtype" > double< / span > t_search = (< a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > () - t0) / 1e3;< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   < / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < span class = "keywordtype" > double< / span > perf = crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9084449e216b331c5f753a10c6de6a47" > evaluate< / a > (D.data(), I.data());< / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   < / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < span class = "keywordtype" > bool< / span > keep = ops-> < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df" > add< / a > (perf, t_search, < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > combination_name< / a > (cno), cno);< / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   < / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   printf(< span class = "stringliteral" > " %ld/%ld: %s perf=%.3f t=%.3f s %s\n" < / span > , cno, n_comb,< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > combination_name< / a > (cno).c_str(), perf, t_search,< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   keep ? < span class = "stringliteral" > " *" < / span > : < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   }< / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   }< / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   < / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   < span class = "keywordtype" > int< / span > n_exp = < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a76aeae25b3269fb24a26194fbe013b86" > n_experiments< / a > ;< / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   < span class = "keywordflow" > if< / span > (n_exp > n_comb) n_exp = n_comb;< / div >
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   FAISS_THROW_IF_NOT (n_comb == 1 || n_exp > 2);< / div >
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   std::vector< int> perm (n_comb);< / div >
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   < span class = "comment" > // make sure the slowest and fastest experiment are run< / span > < / div >
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   perm[0] = 0;< / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   < span class = "keywordflow" > if< / span > (n_comb > 1) {< / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   perm[1] = n_comb - 1;< / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   rand_perm (& perm[2], n_comb - 2, 1234);< / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > 640< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 2; i < perm.size(); i++) perm[i] ++;< / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   }< / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   < / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > xp = 0; xp < n_exp; xp++) {< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   < span class = "keywordtype" > size_t< / span > cno = perm[xp];< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   printf(< span class = "stringliteral" > " %ld/%d: cno=%ld %s " < / span > , xp, n_exp, cno,< / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > combination_name< / a > (cno).c_str());< / div >
2018-02-23 23:44:31 +08:00
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > 650< / span >   {< / div >
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   < span class = "keywordtype" > double< / span > lower_bound_t = 0.0;< / div >
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   < span class = "keywordtype" > double< / span > upper_bound_perf = 1.0;< / div >
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > 653< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < ops-> < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > .size(); i++) {< / div >
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#ab7039882ec68aabc6c52cff883f75c28" > update_bounds< / a > (cno, ops-> < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > all_pts< / a > [i],< / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   & upper_bound_perf, & lower_bound_t);< / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   }< / div >
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   < span class = "keywordtype" > double< / span > best_t = ops-> < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a3a0723e0900f7048ac9567341de5ee56" > t_for_perf< / a > (upper_bound_perf);< / div >
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   printf (< span class = "stringliteral" > " bounds [perf< =%.3f t> =%.3f] %s" < / span > ,< / div >
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   upper_bound_perf, lower_bound_t,< / div >
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   best_t < = lower_bound_t ? < span class = "stringliteral" > " skip\n" < / span > : < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < span class = "keywordflow" > if< / span > (best_t < = lower_bound_t) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   }< / div >
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   < / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4" > set_index_parameters< / a > (index, cno);< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   std::vector< Index::idx_t> I(nq * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > );< / div >
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   std::vector< float> D(nq * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > );< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   < / div >
< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   < span class = "keywordtype" > double< / span > t0 = < a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > ();< / div >
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   < / div >
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   < span class = "keywordtype" > int< / span > nrun = 0;< / div >
< div class = "line" > < a name = "l00672" > < / a > < span class = "lineno" > 672< / span >   < span class = "keywordtype" > double< / span > t_search;< / div >
< div class = "line" > < a name = "l00673" > < / a > < span class = "lineno" > 673< / span >   < / div >
< div class = "line" > < a name = "l00674" > < / a > < span class = "lineno" > 674< / span >   < span class = "keywordflow" > do< / span > {< / div >
< div class = "line" > < a name = "l00675" > < / a > < span class = "lineno" > 675< / span >   < / div >
< div class = "line" > < a name = "l00676" > < / a > < span class = "lineno" > 676< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#af6dc3b9c5631b509cbae99bf0f24170b" > thread_over_batches< / a > ) {< / div >
< div class = "line" > < a name = "l00677" > < / a > < span class = "lineno" > 677< / span >   < span class = "preprocessor" > #pragma omp parallel for< / span > < / div >
< div class = "line" > < a name = "l00678" > < / a > < span class = "lineno" > 678< / span >   < span class = "preprocessor" > < / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > q0 = 0; q0 < nq; q0 += < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767" > batchsize< / a > ) {< / div >
< div class = "line" > < a name = "l00679" > < / a > < span class = "lineno" > 679< / span >   < span class = "keywordtype" > size_t< / span > q1 = q0 + < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767" > batchsize< / a > ;< / div >
< div class = "line" > < a name = "l00680" > < / a > < span class = "lineno" > 680< / span >   < span class = "keywordflow" > if< / span > (q1 > nq) q1 = nq;< / div >
< div class = "line" > < a name = "l00681" > < / a > < span class = "lineno" > 681< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > search< / a > (q1 - q0, xq + q0 * index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ,< / div >
< div class = "line" > < a name = "l00682" > < / a > < span class = "lineno" > 682< / span >   crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > ,< / div >
< div class = "line" > < a name = "l00683" > < / a > < span class = "lineno" > 683< / span >   D.data() + q0 * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > ,< / div >
< div class = "line" > < a name = "l00684" > < / a > < span class = "lineno" > 684< / span >   I.data() + q0 * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > );< / div >
< div class = "line" > < a name = "l00685" > < / a > < span class = "lineno" > 685< / span >   }< / div >
< div class = "line" > < a name = "l00686" > < / a > < span class = "lineno" > 686< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00687" > < / a > < span class = "lineno" > 687< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > q0 = 0; q0 < nq; q0 += < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767" > batchsize< / a > ) {< / div >
< div class = "line" > < a name = "l00688" > < / a > < span class = "lineno" > 688< / span >   < span class = "keywordtype" > size_t< / span > q1 = q0 + < a class = "code" href = "structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767" > batchsize< / a > ;< / div >
< div class = "line" > < a name = "l00689" > < / a > < span class = "lineno" > 689< / span >   < span class = "keywordflow" > if< / span > (q1 > nq) q1 = nq;< / div >
< div class = "line" > < a name = "l00690" > < / a > < span class = "lineno" > 690< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > search< / a > (q1 - q0, xq + q0 * index-> < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > ,< / div >
< div class = "line" > < a name = "l00691" > < / a > < span class = "lineno" > 691< / span >   crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > ,< / div >
< div class = "line" > < a name = "l00692" > < / a > < span class = "lineno" > 692< / span >   D.data() + q0 * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > ,< / div >
< div class = "line" > < a name = "l00693" > < / a > < span class = "lineno" > 693< / span >   I.data() + q0 * crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > nnn< / a > );< / div >
< div class = "line" > < a name = "l00694" > < / a > < span class = "lineno" > 694< / span >   }< / div >
< div class = "line" > < a name = "l00695" > < / a > < span class = "lineno" > 695< / span >   }< / div >
< div class = "line" > < a name = "l00696" > < / a > < span class = "lineno" > 696< / span >   nrun ++;< / div >
< div class = "line" > < a name = "l00697" > < / a > < span class = "lineno" > 697< / span >   t_search = (< a class = "code" href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > getmillisecs< / a > () - t0) / 1e3;< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00698" > < / a > < span class = "lineno" > 698< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00699" > < / a > < span class = "lineno" > 699< / span >   } < span class = "keywordflow" > while< / span > (t_search < < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a50d9d784d69d9812c12dc9b2baf9351d" > min_test_duration< / a > );< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00700" > < / a > < span class = "lineno" > 700< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00701" > < / a > < span class = "lineno" > 701< / span >   t_search /= nrun;< / div >
< div class = "line" > < a name = "l00702" > < / a > < span class = "lineno" > 702< / span >   < / div >
< div class = "line" > < a name = "l00703" > < / a > < span class = "lineno" > 703< / span >   < span class = "keywordtype" > double< / span > perf = crit.< a class = "code" href = "structfaiss_1_1AutoTuneCriterion.html#a9084449e216b331c5f753a10c6de6a47" > evaluate< / a > (D.data(), I.data());< / div >
< div class = "line" > < a name = "l00704" > < / a > < span class = "lineno" > 704< / span >   < / div >
< div class = "line" > < a name = "l00705" > < / a > < span class = "lineno" > 705< / span >   < span class = "keywordtype" > bool< / span > keep = ops-> < a class = "code" href = "structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df" > add< / a > (perf, t_search, < a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > combination_name< / a > (cno), cno);< / div >
< div class = "line" > < a name = "l00706" > < / a > < span class = "lineno" > 706< / span >   < / div >
< div class = "line" > < a name = "l00707" > < / a > < span class = "lineno" > 707< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0" > verbose< / a > )< / div >
< div class = "line" > < a name = "l00708" > < / a > < span class = "lineno" > 708< / span >   printf(< span class = "stringliteral" > " perf %.3f t %.3f (%d runs) %s\n" < / span > ,< / div >
< div class = "line" > < a name = "l00709" > < / a > < span class = "lineno" > 709< / span >   perf, t_search, nrun,< / div >
< div class = "line" > < a name = "l00710" > < / a > < span class = "lineno" > 710< / span >   keep ? < span class = "stringliteral" > " *" < / span > : < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l00711" > < / a > < span class = "lineno" > 711< / span >   }< / div >
< div class = "line" > < a name = "l00712" > < / a > < span class = "lineno" > 712< / span >   }< / div >
< div class = "line" > < a name = "l00713" > < / a > < span class = "lineno" > 713< / span >   < / div >
< div class = "line" > < a name = "l00714" > < / a > < span class = "lineno" > 714< / span >   < span class = "comment" > /***************************************************************< / span > < / div >
< div class = "line" > < a name = "l00715" > < / a > < span class = "lineno" > 715< / span >   < span class = "comment" > * index_factory< / span > < / div >
< div class = "line" > < a name = "l00716" > < / a > < span class = "lineno" > 716< / span >   < span class = "comment" > ***************************************************************/< / span > < / div >
< div class = "line" > < a name = "l00717" > < / a > < span class = "lineno" > 717< / span >   < / div >
< div class = "line" > < a name = "l00718" > < / a > < span class = "lineno" > 718< / span >   < span class = "keyword" > namespace < / span > {< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00719" > < / a > < span class = "lineno" > 719< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00720" > < / a > < span class = "lineno" > 720< / span >   < span class = "keyword" > struct < / span > VTChain {< / div >
< div class = "line" > < a name = "l00721" > < / a > < span class = "lineno" > 721< / span >   std::vector< VectorTransform *> chain;< / div >
< div class = "line" > < a name = "l00722" > < / a > < span class = "lineno" > 722< / span >   ~VTChain () {< / div >
< div class = "line" > < a name = "l00723" > < / a > < span class = "lineno" > 723< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < chain.size(); i++) {< / div >
< div class = "line" > < a name = "l00724" > < / a > < span class = "lineno" > 724< / span >   < span class = "keyword" > delete< / span > chain[i];< / div >
< div class = "line" > < a name = "l00725" > < / a > < span class = "lineno" > 725< / span >   }< / div >
< div class = "line" > < a name = "l00726" > < / a > < span class = "lineno" > 726< / span >   }< / div >
< div class = "line" > < a name = "l00727" > < / a > < span class = "lineno" > 727< / span >   };< / div >
< div class = "line" > < a name = "l00728" > < / a > < span class = "lineno" > 728< / span >   < / div >
< div class = "line" > < a name = "l00729" > < / a > < span class = "lineno" > 729< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00730" > < / a > < span class = "lineno" > 730< / span >   < span class = "comment" > /// what kind of training does this coarse quantizer require?< / span > < / div >
< div class = "line" > < a name = "l00731" > < / a > < span class = "lineno" > 731< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > char< / span > get_trains_alone(< span class = "keyword" > const< / span > Index *coarse_quantizer) {< / div >
< div class = "line" > < a name = "l00732" > < / a > < span class = "lineno" > 732< / span >   < span class = "keywordflow" > return< / span > < / div >
< div class = "line" > < a name = "l00733" > < / a > < span class = "lineno" > 733< / span >   < span class = "keyword" > dynamic_cast< < / span > < span class = "keyword" > const < / span > MultiIndexQuantizer*< span class = "keyword" > > < / span > (coarse_quantizer) ? 1 :< / div >
< div class = "line" > < a name = "l00734" > < / a > < span class = "lineno" > 734< / span >   dynamic_cast< const IndexHNSWFlat*> (coarse_quantizer) ? 2 :< / div >
< div class = "line" > < a name = "l00735" > < / a > < span class = "lineno" > 735< / span >   0;< / div >
< div class = "line" > < a name = "l00736" > < / a > < span class = "lineno" > 736< / span >   }< / div >
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< div class = "line" > < a name = "l00737" > < / a > < span class = "lineno" > 737< / span >   < / div >
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< div class = "line" > < a name = "l00738" > < / a > < span class = "lineno" > 738< / span >   < / div >
< div class = "line" > < a name = "l00739" > < / a > < span class = "lineno" > 739< / span >   }< / div >
< div class = "line" > < a name = "l00740" > < / a > < span class = "lineno" > 740< / span >   < / div >
< div class = "line" > < a name = "l00741" > < / a > < span class = "lineno" > < a class = "line" href = "namespacefaiss.html#a0c95ec47726f2ce3fb668dcb1f9a3317" > 741< / a > < / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *< a class = "code" href = "namespacefaiss.html#a0c95ec47726f2ce3fb668dcb1f9a3317" > index_factory< / a > (< span class = "keywordtype" > int< / span > d, < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *description_in, < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric)< / div >
< div class = "line" > < a name = "l00742" > < / a > < span class = "lineno" > 742< / span >   {< / div >
< div class = "line" > < a name = "l00743" > < / a > < span class = "lineno" > 743< / span >   VTChain vts;< / div >
< div class = "line" > < a name = "l00744" > < / a > < span class = "lineno" > 744< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *coarse_quantizer = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00745" > < / a > < span class = "lineno" > 745< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00746" > < / a > < span class = "lineno" > 746< / span >   < span class = "keywordtype" > bool< / span > add_idmap = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00747" > < / a > < span class = "lineno" > 747< / span >   < span class = "keywordtype" > bool< / span > make_IndexRefineFlat = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00748" > < / a > < span class = "lineno" > 748< / span >   < / div >
< div class = "line" > < a name = "l00749" > < / a > < span class = "lineno" > 749< / span >   < a class = "code" href = "structfaiss_1_1ScopeDeleter1.html" > ScopeDeleter1< Index> < / a > del_coarse_quantizer, del_index;< / div >
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< div class = "line" > < a name = "l00750" > < / a > < span class = "lineno" > 750< / span >   < / div >
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< div class = "line" > < a name = "l00751" > < / a > < span class = "lineno" > 751< / span >   < span class = "keywordtype" > char< / span > description[strlen(description_in) + 1];< / div >
< div class = "line" > < a name = "l00752" > < / a > < span class = "lineno" > 752< / span >   < span class = "keywordtype" > char< / span > *ptr;< / div >
< div class = "line" > < a name = "l00753" > < / a > < span class = "lineno" > 753< / span >   memcpy (description, description_in, strlen(description_in) + 1);< / div >
< div class = "line" > < a name = "l00754" > < / a > < span class = "lineno" > 754< / span >   < / div >
< div class = "line" > < a name = "l00755" > < / a > < span class = "lineno" > 755< / span >   < span class = "keywordtype" > int< / span > ncentroids = -1;< / div >
< div class = "line" > < a name = "l00756" > < / a > < span class = "lineno" > 756< / span >   < / div >
< div class = "line" > < a name = "l00757" > < / a > < span class = "lineno" > 757< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > char< / span > *tok = strtok_r (description, < span class = "stringliteral" > " ," < / span > , & ptr);< / div >
< div class = "line" > < a name = "l00758" > < / a > < span class = "lineno" > 758< / span >   tok;< / div >
< div class = "line" > < a name = "l00759" > < / a > < span class = "lineno" > 759< / span >   tok = strtok_r (< span class = "keyword" > nullptr< / span > , < span class = "stringliteral" > " ," < / span > , & ptr)) {< / div >
< div class = "line" > < a name = "l00760" > < / a > < span class = "lineno" > 760< / span >   < span class = "keywordtype" > int< / span > d_out, opq_M, nbit, M, M2, pq_m, ncent;< / div >
< div class = "line" > < a name = "l00761" > < / a > < span class = "lineno" > 761< / span >   std::string stok(tok);< / div >
< div class = "line" > < a name = "l00762" > < / a > < span class = "lineno" > 762< / span >   < / div >
< div class = "line" > < a name = "l00763" > < / a > < span class = "lineno" > 763< / span >   < span class = "comment" > // to avoid mem leaks with exceptions:< / span > < / div >
< div class = "line" > < a name = "l00764" > < / a > < span class = "lineno" > 764< / span >   < span class = "comment" > // do all tests before any instanciation< / span > < / div >
< div class = "line" > < a name = "l00765" > < / a > < span class = "lineno" > 765< / span >   < / div >
< div class = "line" > < a name = "l00766" > < / a > < span class = "lineno" > 766< / span >   < a class = "code" href = "structfaiss_1_1VectorTransform.html" > VectorTransform< / a > *vt_1 = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00767" > < / a > < span class = "lineno" > 767< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *coarse_quantizer_1 = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00768" > < / a > < span class = "lineno" > 768< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *index_1 = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00769" > < / a > < span class = "lineno" > 769< / span >   < / div >
< div class = "line" > < a name = "l00770" > < / a > < span class = "lineno" > 770< / span >   < span class = "comment" > // VectorTransforms< / span > < / div >
< div class = "line" > < a name = "l00771" > < / a > < span class = "lineno" > 771< / span >   < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " PCA%d" < / span > , & d_out) == 1) {< / div >
< div class = "line" > < a name = "l00772" > < / a > < span class = "lineno" > 772< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1PCAMatrix.html" > PCAMatrix< / a > (d, d_out);< / div >
< div class = "line" > < a name = "l00773" > < / a > < span class = "lineno" > 773< / span >   d = d_out;< / div >
< div class = "line" > < a name = "l00774" > < / a > < span class = "lineno" > 774< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " PCAR%d" < / span > , & d_out) == 1) {< / div >
< div class = "line" > < a name = "l00775" > < / a > < span class = "lineno" > 775< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1PCAMatrix.html" > PCAMatrix< / a > (d, d_out, 0, < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00776" > < / a > < span class = "lineno" > 776< / span >   d = d_out;< / div >
< div class = "line" > < a name = "l00777" > < / a > < span class = "lineno" > 777< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " RR%d" < / span > , & d_out) == 1) {< / div >
< div class = "line" > < a name = "l00778" > < / a > < span class = "lineno" > 778< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1RandomRotationMatrix.html" > RandomRotationMatrix< / a > (d, d_out);< / div >
< div class = "line" > < a name = "l00779" > < / a > < span class = "lineno" > 779< / span >   d = d_out;< / div >
< div class = "line" > < a name = "l00780" > < / a > < span class = "lineno" > 780< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " PCAW%d" < / span > , & d_out) == 1) {< / div >
< div class = "line" > < a name = "l00781" > < / a > < span class = "lineno" > 781< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1PCAMatrix.html" > PCAMatrix< / a > (d, d_out, -0.5, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00782" > < / a > < span class = "lineno" > 782< / span >   d = d_out;< / div >
< div class = "line" > < a name = "l00783" > < / a > < span class = "lineno" > 783< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " PCAWR%d" < / span > , & d_out) == 1) {< / div >
< div class = "line" > < a name = "l00784" > < / a > < span class = "lineno" > 784< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1PCAMatrix.html" > PCAMatrix< / a > (d, d_out, -0.5, < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00785" > < / a > < span class = "lineno" > 785< / span >   d = d_out;< / div >
< div class = "line" > < a name = "l00786" > < / a > < span class = "lineno" > 786< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " OPQ%d_%d" < / span > , & opq_M, & d_out) == 2) {< / div >
< div class = "line" > < a name = "l00787" > < / a > < span class = "lineno" > 787< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1OPQMatrix.html" > OPQMatrix< / a > (d, opq_M, d_out);< / div >
< div class = "line" > < a name = "l00788" > < / a > < span class = "lineno" > 788< / span >   d = d_out;< / div >
< div class = "line" > < a name = "l00789" > < / a > < span class = "lineno" > 789< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf (tok, < span class = "stringliteral" > " OPQ%d" < / span > , & opq_M) == 1) {< / div >
< div class = "line" > < a name = "l00790" > < / a > < span class = "lineno" > 790< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1OPQMatrix.html" > OPQMatrix< / a > (d, opq_M);< / div >
< div class = "line" > < a name = "l00791" > < / a > < span class = "lineno" > 791< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (stok == < span class = "stringliteral" > " L2norm" < / span > ) {< / div >
< div class = "line" > < a name = "l00792" > < / a > < span class = "lineno" > 792< / span >   vt_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1NormalizationTransform.html" > NormalizationTransform< / a > (d, 2.0);< / div >
< div class = "line" > < a name = "l00793" > < / a > < span class = "lineno" > 793< / span >   < / div >
< div class = "line" > < a name = "l00794" > < / a > < span class = "lineno" > 794< / span >   < span class = "comment" > // coarse quantizers< / span > < / div >
< div class = "line" > < a name = "l00795" > < / a > < span class = "lineno" > 795< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!coarse_quantizer & & < / div >
< div class = "line" > < a name = "l00796" > < / a > < span class = "lineno" > 796< / span >   sscanf (tok, < span class = "stringliteral" > " IVF%d_HNSW%d" < / span > , & ncentroids, & M) == 2) {< / div >
< div class = "line" > < a name = "l00797" > < / a > < span class = "lineno" > 797< / span >   FAISS_THROW_IF_NOT (metric == METRIC_L2);< / div >
< div class = "line" > < a name = "l00798" > < / a > < span class = "lineno" > 798< / span >   coarse_quantizer_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexHNSWFlat.html" > IndexHNSWFlat< / a > (d, M);< / div >
< div class = "line" > < a name = "l00799" > < / a > < span class = "lineno" > 799< / span >   < / div >
< div class = "line" > < a name = "l00800" > < / a > < span class = "lineno" > 800< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!coarse_quantizer & & < / div >
< div class = "line" > < a name = "l00801" > < / a > < span class = "lineno" > 801< / span >   sscanf (tok, < span class = "stringliteral" > " IVF%d" < / span > , & ncentroids) == 1) {< / div >
< div class = "line" > < a name = "l00802" > < / a > < span class = "lineno" > 802< / span >   < span class = "keywordflow" > if< / span > (metric == METRIC_L2) {< / div >
< div class = "line" > < a name = "l00803" > < / a > < span class = "lineno" > 803< / span >   coarse_quantizer_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > IndexFlatL2< / a > (d);< / div >
< div class = "line" > < a name = "l00804" > < / a > < span class = "lineno" > 804< / span >   } < span class = "keywordflow" > else< / span > { < span class = "comment" > // if (metric == METRIC_IP)< / span > < / div >
< div class = "line" > < a name = "l00805" > < / a > < span class = "lineno" > 805< / span >   coarse_quantizer_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlatIP.html" > IndexFlatIP< / a > (d);< / div >
< div class = "line" > < a name = "l00806" > < / a > < span class = "lineno" > 806< / span >   }< / div >
< div class = "line" > < a name = "l00807" > < / a > < span class = "lineno" > 807< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!coarse_quantizer & & sscanf (tok, < span class = "stringliteral" > " IMI2x%d" < / span > , & nbit) == 1) {< / div >
< div class = "line" > < a name = "l00808" > < / a > < span class = "lineno" > 808< / span >   FAISS_THROW_IF_NOT_MSG (metric == METRIC_L2,< / div >
< div class = "line" > < a name = "l00809" > < / a > < span class = "lineno" > 809< / span >   < span class = "stringliteral" > " MultiIndex not implemented for inner prod search" < / span > );< / div >
< div class = "line" > < a name = "l00810" > < / a > < span class = "lineno" > 810< / span >   coarse_quantizer_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1MultiIndexQuantizer.html" > MultiIndexQuantizer< / a > (d, 2, nbit);< / div >
< div class = "line" > < a name = "l00811" > < / a > < span class = "lineno" > 811< / span >   ncentroids = 1 < < (2 * nbit);< / div >
< div class = "line" > < a name = "l00812" > < / a > < span class = "lineno" > 812< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (stok == < span class = "stringliteral" > " IDMap" < / span > ) {< / div >
< div class = "line" > < a name = "l00813" > < / a > < span class = "lineno" > 813< / span >   add_idmap = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00814" > < / a > < span class = "lineno" > 814< / span >   < / div >
< div class = "line" > < a name = "l00815" > < / a > < span class = "lineno" > 815< / span >   < span class = "comment" > // IVFs< / span > < / div >
< div class = "line" > < a name = "l00816" > < / a > < span class = "lineno" > 816< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & (stok == < span class = "stringliteral" > " Flat" < / span > || stok == < span class = "stringliteral" > " FlatDedup" < / span > )) {< / div >
< div class = "line" > < a name = "l00817" > < / a > < span class = "lineno" > 817< / span >   < span class = "keywordflow" > if< / span > (coarse_quantizer) {< / div >
< div class = "line" > < a name = "l00818" > < / a > < span class = "lineno" > 818< / span >   < span class = "comment" > // if there was an IVF in front, then it is an IVFFlat< / span > < / div >
< div class = "line" > < a name = "l00819" > < / a > < span class = "lineno" > 819< / span >   < a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > *index_ivf = stok == < span class = "stringliteral" > " Flat" < / span > ?< / div >
< div class = "line" > < a name = "l00820" > < / a > < span class = "lineno" > 820< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlat.html" > IndexIVFFlat< / a > (< / div >
< div class = "line" > < a name = "l00821" > < / a > < span class = "lineno" > 821< / span >   coarse_quantizer, d, ncentroids, metric) :< / div >
< div class = "line" > < a name = "l00822" > < / a > < span class = "lineno" > 822< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFFlatDedup.html" > IndexIVFFlatDedup< / a > (< / div >
< div class = "line" > < a name = "l00823" > < / a > < span class = "lineno" > 823< / span >   coarse_quantizer, d, ncentroids, metric);< / div >
< div class = "line" > < a name = "l00824" > < / a > < span class = "lineno" > 824< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > quantizer_trains_alone< / a > =< / div >
< div class = "line" > < a name = "l00825" > < / a > < span class = "lineno" > 825< / span >   get_trains_alone (coarse_quantizer);< / div >
< div class = "line" > < a name = "l00826" > < / a > < span class = "lineno" > 826< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#abb7097ed40b15ba0af08af6d03608f72" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > spherical< / a > = metric == METRIC_INNER_PRODUCT;< / div >
< div class = "line" > < a name = "l00827" > < / a > < span class = "lineno" > 827< / span >   del_coarse_quantizer.release ();< / div >
< div class = "line" > < a name = "l00828" > < / a > < span class = "lineno" > 828< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00829" > < / a > < span class = "lineno" > 829< / span >   index_1 = index_ivf;< / div >
< div class = "line" > < a name = "l00830" > < / a > < span class = "lineno" > 830< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00831" > < / a > < span class = "lineno" > 831< / span >   FAISS_THROW_IF_NOT_MSG (stok != < span class = "stringliteral" > " FlatDedup" < / span > ,< / div >
< div class = "line" > < a name = "l00832" > < / a > < span class = "lineno" > 832< / span >   < span class = "stringliteral" > " dedup supported only for IVFFlat" < / span > );< / div >
< div class = "line" > < a name = "l00833" > < / a > < span class = "lineno" > 833< / span >   index_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlat.html" > IndexFlat< / a > (d, metric);< / div >
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< div class = "line" > < a name = "l00834" > < / a > < span class = "lineno" > 834< / span >   }< / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00835" > < / a > < span class = "lineno" > 835< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & (stok == < span class = "stringliteral" > " SQ8" < / span > || stok == < span class = "stringliteral" > " SQ4" < / span > ||< / div >
< div class = "line" > < a name = "l00836" > < / a > < span class = "lineno" > 836< / span >   stok == < span class = "stringliteral" > " SQfp16" < / span > )) {< / div >
< div class = "line" > < a name = "l00837" > < / a > < span class = "lineno" > 837< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > ScalarQuantizer::QuantizerType< / a > qt =< / div >
< div class = "line" > < a name = "l00838" > < / a > < span class = "lineno" > 838< / span >   stok == < span class = "stringliteral" > " SQ8" < / span > ? < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952ea1650389e3efa052ff60177d502328a2c" > ScalarQuantizer::QT_8bit< / a > :< / div >
< div class = "line" > < a name = "l00839" > < / a > < span class = "lineno" > 839< / span >   stok == < span class = "stringliteral" > " SQ4" < / span > ? < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eacd3d1bd71533a7bc52149e4b3d1db13b" > ScalarQuantizer::QT_4bit< / a > :< / div >
< div class = "line" > < a name = "l00840" > < / a > < span class = "lineno" > 840< / span >   stok == < span class = "stringliteral" > " SQfp16" < / span > ? ScalarQuantizer::QT_fp16 :< / div >
< div class = "line" > < a name = "l00841" > < / a > < span class = "lineno" > 841< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eacd3d1bd71533a7bc52149e4b3d1db13b" > ScalarQuantizer::QT_4bit< / a > ;< / div >
< div class = "line" > < a name = "l00842" > < / a > < span class = "lineno" > 842< / span >   < span class = "keywordflow" > if< / span > (coarse_quantizer) {< / div >
< div class = "line" > < a name = "l00843" > < / a > < span class = "lineno" > 843< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > IndexIVFScalarQuantizer< / a > *index_ivf =< / div >
< div class = "line" > < a name = "l00844" > < / a > < span class = "lineno" > 844< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > IndexIVFScalarQuantizer< / a > (< / div >
< div class = "line" > < a name = "l00845" > < / a > < span class = "lineno" > 845< / span >   coarse_quantizer, d, ncentroids, qt, metric);< / div >
< div class = "line" > < a name = "l00846" > < / a > < span class = "lineno" > 846< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > quantizer_trains_alone< / a > =< / div >
< div class = "line" > < a name = "l00847" > < / a > < span class = "lineno" > 847< / span >   get_trains_alone (coarse_quantizer);< / div >
< div class = "line" > < a name = "l00848" > < / a > < span class = "lineno" > 848< / span >   del_coarse_quantizer.release ();< / div >
< div class = "line" > < a name = "l00849" > < / a > < span class = "lineno" > 849< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00850" > < / a > < span class = "lineno" > 850< / span >   index_1 = index_ivf;< / div >
< div class = "line" > < a name = "l00851" > < / a > < span class = "lineno" > 851< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00852" > < / a > < span class = "lineno" > 852< / span >   index_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexScalarQuantizer.html" > IndexScalarQuantizer< / a > (d, qt, metric);< / div >
< div class = "line" > < a name = "l00853" > < / a > < span class = "lineno" > 853< / span >   }< / div >
< div class = "line" > < a name = "l00854" > < / a > < span class = "lineno" > 854< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & sscanf (tok, < span class = "stringliteral" > " PQ%d+%d" < / span > , & M, & M2) == 2) {< / div >
< div class = "line" > < a name = "l00855" > < / a > < span class = "lineno" > 855< / span >   FAISS_THROW_IF_NOT_MSG(coarse_quantizer,< / div >
< div class = "line" > < a name = "l00856" > < / a > < span class = "lineno" > 856< / span >   < span class = "stringliteral" > " PQ with + works only with an IVF" < / span > );< / div >
< div class = "line" > < a name = "l00857" > < / a > < span class = "lineno" > 857< / span >   FAISS_THROW_IF_NOT_MSG(metric == METRIC_L2,< / div >
< div class = "line" > < a name = "l00858" > < / a > < span class = "lineno" > 858< / span >   < span class = "stringliteral" > " IVFPQR not implemented for inner product search" < / span > );< / div >
< div class = "line" > < a name = "l00859" > < / a > < span class = "lineno" > 859< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFPQR.html" > IndexIVFPQR< / a > *index_ivf = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQR.html" > IndexIVFPQR< / a > (< / div >
< div class = "line" > < a name = "l00860" > < / a > < span class = "lineno" > 860< / span >   coarse_quantizer, d, ncentroids, M, 8, M2, 8);< / div >
< div class = "line" > < a name = "l00861" > < / a > < span class = "lineno" > 861< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > quantizer_trains_alone< / a > =< / div >
< div class = "line" > < a name = "l00862" > < / a > < span class = "lineno" > 862< / span >   get_trains_alone (coarse_quantizer);< / div >
< div class = "line" > < a name = "l00863" > < / a > < span class = "lineno" > 863< / span >   del_coarse_quantizer.release ();< / div >
< div class = "line" > < a name = "l00864" > < / a > < span class = "lineno" > 864< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00865" > < / a > < span class = "lineno" > 865< / span >   index_1 = index_ivf;< / div >
< div class = "line" > < a name = "l00866" > < / a > < span class = "lineno" > 866< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & (sscanf (tok, < span class = "stringliteral" > " PQ%d" < / span > , & M) == 1 ||< / div >
< div class = "line" > < a name = "l00867" > < / a > < span class = "lineno" > 867< / span >   sscanf (tok, < span class = "stringliteral" > " PQ%dnp" < / span > , & M) == 1)) {< / div >
< div class = "line" > < a name = "l00868" > < / a > < span class = "lineno" > 868< / span >   < span class = "keywordtype" > bool< / span > do_polysemous_training = stok.find(< span class = "stringliteral" > " np" < / span > ) == std::string::npos;< / div >
< div class = "line" > < a name = "l00869" > < / a > < span class = "lineno" > 869< / span >   < span class = "keywordflow" > if< / span > (coarse_quantizer) {< / div >
< div class = "line" > < a name = "l00870" > < / a > < span class = "lineno" > 870< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > IndexIVFPQ< / a > *index_ivf = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html" > IndexIVFPQ< / a > (< / div >
< div class = "line" > < a name = "l00871" > < / a > < span class = "lineno" > 871< / span >   coarse_quantizer, d, ncentroids, M, 8);< / div >
< div class = "line" > < a name = "l00872" > < / a > < span class = "lineno" > 872< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > quantizer_trains_alone< / a > =< / div >
< div class = "line" > < a name = "l00873" > < / a > < span class = "lineno" > 873< / span >   get_trains_alone (coarse_quantizer);< / div >
< div class = "line" > < a name = "l00874" > < / a > < span class = "lineno" > 874< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > = metric;< / div >
< div class = "line" > < a name = "l00875" > < / a > < span class = "lineno" > 875< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#abb7097ed40b15ba0af08af6d03608f72" > cp< / a > .< a class = "code" href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > spherical< / a > = metric == METRIC_INNER_PRODUCT;< / div >
< div class = "line" > < a name = "l00876" > < / a > < span class = "lineno" > 876< / span >   del_coarse_quantizer.release ();< / div >
< div class = "line" > < a name = "l00877" > < / a > < span class = "lineno" > 877< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00878" > < / a > < span class = "lineno" > 878< / span >   index_ivf-> < a class = "code" href = "structfaiss_1_1IndexIVFPQ.html#a9d5373633df7a9bec4de69400b9adeed" > do_polysemous_training< / a > = do_polysemous_training;< / div >
< div class = "line" > < a name = "l00879" > < / a > < span class = "lineno" > 879< / span >   index_1 = index_ivf;< / div >
< div class = "line" > < a name = "l00880" > < / a > < span class = "lineno" > 880< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00881" > < / a > < span class = "lineno" > 881< / span >   < a class = "code" href = "structfaiss_1_1IndexPQ.html" > IndexPQ< / a > *index_pq = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexPQ.html" > IndexPQ< / a > (d, M, 8, metric);< / div >
< div class = "line" > < a name = "l00882" > < / a > < span class = "lineno" > 882< / span >   index_pq-> < a class = "code" href = "structfaiss_1_1IndexPQ.html#af616e1f3c7bff7f62c2607b8079da43f" > do_polysemous_training< / a > = do_polysemous_training;< / div >
< div class = "line" > < a name = "l00883" > < / a > < span class = "lineno" > 883< / span >   index_1 = index_pq;< / div >
< div class = "line" > < a name = "l00884" > < / a > < span class = "lineno" > 884< / span >   }< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00885" > < / a > < span class = "lineno" > 885< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00886" > < / a > < span class = "lineno" > 886< / span >   sscanf (tok, < span class = "stringliteral" > " HNSW%d_%d+PQ%d" < / span > , & M, & ncent, & pq_m) == 3) {< / div >
< div class = "line" > < a name = "l00887" > < / a > < span class = "lineno" > 887< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * quant = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexFlatL2.html" > IndexFlatL2< / a > (d);< / div >
< div class = "line" > < a name = "l00888" > < / a > < span class = "lineno" > 888< / span >   < a class = "code" href = "structfaiss_1_1IndexHNSW2Level.html" > IndexHNSW2Level< / a > * hidx2l = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexHNSW2Level.html" > IndexHNSW2Level< / a > (quant, ncent, pq_m, M);< / div >
< div class = "line" > < a name = "l00889" > < / a > < span class = "lineno" > 889< / span >   < a class = "code" href = "structfaiss_1_1Index2Layer.html" > Index2Layer< / a > * idx2l = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1Index2Layer.html" > Index2Layer< / a > *< span class = "keyword" > > < / span > (hidx2l-> storage);< / div >
< div class = "line" > < a name = "l00890" > < / a > < span class = "lineno" > 890< / span >   idx2l-> < a class = "code" href = "structfaiss_1_1Index2Layer.html#a5f2d70740af90b8c7ac946d58ec947aa" > q1< / a > .< a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00891" > < / a > < span class = "lineno" > 891< / span >   index_1 = hidx2l;< / div >
< div class = "line" > < a name = "l00892" > < / a > < span class = "lineno" > 892< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & < / div >
< div class = "line" > < a name = "l00893" > < / a > < span class = "lineno" > 893< / span >   sscanf (tok, < span class = "stringliteral" > " HNSW%d_2x%d+PQ%d" < / span > , & M, & nbit, & pq_m) == 3) {< / div >
< div class = "line" > < a name = "l00894" > < / a > < span class = "lineno" > 894< / span >   < a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > * quant = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1MultiIndexQuantizer.html" > MultiIndexQuantizer< / a > (d, 2, nbit);< / div >
< div class = "line" > < a name = "l00895" > < / a > < span class = "lineno" > 895< / span >   < a class = "code" href = "structfaiss_1_1IndexHNSW2Level.html" > IndexHNSW2Level< / a > * hidx2l =< / div >
< div class = "line" > < a name = "l00896" > < / a > < span class = "lineno" > 896< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexHNSW2Level.html" > IndexHNSW2Level< / a > (quant, 1 < < (2 * nbit), pq_m, M);< / div >
< div class = "line" > < a name = "l00897" > < / a > < span class = "lineno" > 897< / span >   < a class = "code" href = "structfaiss_1_1Index2Layer.html" > Index2Layer< / a > * idx2l = < span class = "keyword" > dynamic_cast< < / span > < a class = "code" href = "structfaiss_1_1Index2Layer.html" > Index2Layer< / a > *< span class = "keyword" > > < / span > (hidx2l-> storage);< / div >
< div class = "line" > < a name = "l00898" > < / a > < span class = "lineno" > 898< / span >   idx2l-> < a class = "code" href = "structfaiss_1_1Index2Layer.html#a5f2d70740af90b8c7ac946d58ec947aa" > q1< / a > .< a class = "code" href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00899" > < / a > < span class = "lineno" > 899< / span >   idx2l-> < a class = "code" href = "structfaiss_1_1Index2Layer.html#a5f2d70740af90b8c7ac946d58ec947aa" > q1< / a > .< a class = "code" href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > quantizer_trains_alone< / a > = 1;< / div >
< div class = "line" > < a name = "l00900" > < / a > < span class = "lineno" > 900< / span >   index_1 = hidx2l;< / div >
< div class = "line" > < a name = "l00901" > < / a > < span class = "lineno" > 901< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & < / div >
< div class = "line" > < a name = "l00902" > < / a > < span class = "lineno" > 902< / span >   sscanf (tok, < span class = "stringliteral" > " HNSW%d_PQ%d" < / span > , & M, & pq_m) == 2) {< / div >
< div class = "line" > < a name = "l00903" > < / a > < span class = "lineno" > 903< / span >   index_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexHNSWPQ.html" > IndexHNSWPQ< / a > (d, pq_m, M);< / div >
< div class = "line" > < a name = "l00904" > < / a > < span class = "lineno" > 904< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & < / div >
< div class = "line" > < a name = "l00905" > < / a > < span class = "lineno" > 905< / span >   sscanf (tok, < span class = "stringliteral" > " HNSW%d" < / span > , & M) == 1) {< / div >
< div class = "line" > < a name = "l00906" > < / a > < span class = "lineno" > 906< / span >   index_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexHNSWFlat.html" > IndexHNSWFlat< / a > (d, M);< / div >
< div class = "line" > < a name = "l00907" > < / a > < span class = "lineno" > 907< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (!index & & < / div >
< div class = "line" > < a name = "l00908" > < / a > < span class = "lineno" > 908< / span >   sscanf (tok, < span class = "stringliteral" > " HNSW%d_SQ%d" < / span > , & M, & pq_m) == 2 & & < / div >
< div class = "line" > < a name = "l00909" > < / a > < span class = "lineno" > 909< / span >   pq_m == 8) {< / div >
< div class = "line" > < a name = "l00910" > < / a > < span class = "lineno" > 910< / span >   index_1 = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexHNSWSQ.html" > IndexHNSWSQ< / a > (d, < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952ea1650389e3efa052ff60177d502328a2c" > ScalarQuantizer::QT_8bit< / a > , M);< / div >
< div class = "line" > < a name = "l00911" > < / a > < span class = "lineno" > 911< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (stok == < span class = "stringliteral" > " RFlat" < / span > ) {< / div >
< div class = "line" > < a name = "l00912" > < / a > < span class = "lineno" > 912< / span >   make_IndexRefineFlat = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00913" > < / a > < span class = "lineno" > 913< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00914" > < / a > < span class = "lineno" > 914< / span >   FAISS_THROW_FMT( < span class = "stringliteral" > " could not parse token \" %s\" in %s\n" < / span > ,< / div >
< div class = "line" > < a name = "l00915" > < / a > < span class = "lineno" > 915< / span >   tok, description_in);< / div >
< div class = "line" > < a name = "l00916" > < / a > < span class = "lineno" > 916< / span >   }< / div >
< div class = "line" > < a name = "l00917" > < / a > < span class = "lineno" > 917< / span >   < / div >
< div class = "line" > < a name = "l00918" > < / a > < span class = "lineno" > 918< / span >   < span class = "keywordflow" > if< / span > (index_1 & & add_idmap) {< / div >
< div class = "line" > < a name = "l00919" > < / a > < span class = "lineno" > 919< / span >   < a class = "code" href = "structfaiss_1_1IndexIDMap.html" > IndexIDMap< / a > *idmap = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexIDMap.html" > IndexIDMap< / a > (index_1);< / div >
< div class = "line" > < a name = "l00920" > < / a > < span class = "lineno" > 920< / span >   del_index.set (idmap);< / div >
< div class = "line" > < a name = "l00921" > < / a > < span class = "lineno" > 921< / span >   idmap-> < a class = "code" href = "structfaiss_1_1IndexIDMap.html#affa8a764304410c96489c2b2e178bcdb" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00922" > < / a > < span class = "lineno" > 922< / span >   index_1 = idmap;< / div >
< div class = "line" > < a name = "l00923" > < / a > < span class = "lineno" > 923< / span >   add_idmap = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00924" > < / a > < span class = "lineno" > 924< / span >   }< / div >
< div class = "line" > < a name = "l00925" > < / a > < span class = "lineno" > 925< / span >   < / div >
< div class = "line" > < a name = "l00926" > < / a > < span class = "lineno" > 926< / span >   < span class = "keywordflow" > if< / span > (vt_1) {< / div >
< div class = "line" > < a name = "l00927" > < / a > < span class = "lineno" > 927< / span >   vts.chain.push_back (vt_1);< / div >
< div class = "line" > < a name = "l00928" > < / a > < span class = "lineno" > 928< / span >   }< / div >
< div class = "line" > < a name = "l00929" > < / a > < span class = "lineno" > 929< / span >   < / div >
< div class = "line" > < a name = "l00930" > < / a > < span class = "lineno" > 930< / span >   < span class = "keywordflow" > if< / span > (coarse_quantizer_1) {< / div >
< div class = "line" > < a name = "l00931" > < / a > < span class = "lineno" > 931< / span >   coarse_quantizer = coarse_quantizer_1;< / div >
< div class = "line" > < a name = "l00932" > < / a > < span class = "lineno" > 932< / span >   del_coarse_quantizer.set (coarse_quantizer);< / div >
< div class = "line" > < a name = "l00933" > < / a > < span class = "lineno" > 933< / span >   }< / div >
< div class = "line" > < a name = "l00934" > < / a > < span class = "lineno" > 934< / span >   < / div >
< div class = "line" > < a name = "l00935" > < / a > < span class = "lineno" > 935< / span >   < span class = "keywordflow" > if< / span > (index_1) {< / div >
< div class = "line" > < a name = "l00936" > < / a > < span class = "lineno" > 936< / span >   index = index_1;< / div >
< div class = "line" > < a name = "l00937" > < / a > < span class = "lineno" > 937< / span >   del_index.set (index);< / div >
< div class = "line" > < a name = "l00938" > < / a > < span class = "lineno" > 938< / span >   }< / div >
< div class = "line" > < a name = "l00939" > < / a > < span class = "lineno" > 939< / span >   }< / div >
< div class = "line" > < a name = "l00940" > < / a > < span class = "lineno" > 940< / span >   < / div >
< div class = "line" > < a name = "l00941" > < / a > < span class = "lineno" > 941< / span >   FAISS_THROW_IF_NOT_FMT(index, < span class = "stringliteral" > " descrption %s did not generate an index" < / span > ,< / div >
< div class = "line" > < a name = "l00942" > < / a > < span class = "lineno" > 942< / span >   description_in);< / div >
< div class = "line" > < a name = "l00943" > < / a > < span class = "lineno" > 943< / span >   < / div >
< div class = "line" > < a name = "l00944" > < / a > < span class = "lineno" > 944< / span >   < span class = "comment" > // nothing can go wrong now< / span > < / div >
< div class = "line" > < a name = "l00945" > < / a > < span class = "lineno" > 945< / span >   del_index.release ();< / div >
< div class = "line" > < a name = "l00946" > < / a > < span class = "lineno" > 946< / span >   del_coarse_quantizer.release ();< / div >
< div class = "line" > < a name = "l00947" > < / a > < span class = "lineno" > 947< / span >   < / div >
< div class = "line" > < a name = "l00948" > < / a > < span class = "lineno" > 948< / span >   < span class = "keywordflow" > if< / span > (add_idmap) {< / div >
< div class = "line" > < a name = "l00949" > < / a > < span class = "lineno" > 949< / span >   fprintf(stderr, < span class = "stringliteral" > " index_factory: WARNING: " < / span > < / div >
< div class = "line" > < a name = "l00950" > < / a > < span class = "lineno" > 950< / span >   < span class = "stringliteral" > " IDMap option not used\n" < / span > );< / div >
< div class = "line" > < a name = "l00951" > < / a > < span class = "lineno" > 951< / span >   }< / div >
< div class = "line" > < a name = "l00952" > < / a > < span class = "lineno" > 952< / span >   < / div >
< div class = "line" > < a name = "l00953" > < / a > < span class = "lineno" > 953< / span >   < span class = "keywordflow" > if< / span > (vts.chain.size() > 0) {< / div >
< div class = "line" > < a name = "l00954" > < / a > < span class = "lineno" > 954< / span >   < a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > *index_pt = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexPreTransform.html" > IndexPreTransform< / a > (index);< / div >
< div class = "line" > < a name = "l00955" > < / a > < span class = "lineno" > 955< / span >   index_pt-> < a class = "code" href = "structfaiss_1_1IndexPreTransform.html#ae5ec3f184eb211e7d6e204082b52c8c0" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00956" > < / a > < span class = "lineno" > 956< / span >   < span class = "comment" > // add from back< / span > < / div >
< div class = "line" > < a name = "l00957" > < / a > < span class = "lineno" > 957< / span >   < span class = "keywordflow" > while< / span > (vts.chain.size() > 0) {< / div >
< div class = "line" > < a name = "l00958" > < / a > < span class = "lineno" > 958< / span >   index_pt-> prepend_transform (vts.chain.back ());< / div >
< div class = "line" > < a name = "l00959" > < / a > < span class = "lineno" > 959< / span >   vts.chain.pop_back ();< / div >
< div class = "line" > < a name = "l00960" > < / a > < span class = "lineno" > 960< / span >   }< / div >
< div class = "line" > < a name = "l00961" > < / a > < span class = "lineno" > 961< / span >   index = index_pt;< / div >
< div class = "line" > < a name = "l00962" > < / a > < span class = "lineno" > 962< / span >   }< / div >
< div class = "line" > < a name = "l00963" > < / a > < span class = "lineno" > 963< / span >   < / div >
< div class = "line" > < a name = "l00964" > < / a > < span class = "lineno" > 964< / span >   < span class = "keywordflow" > if< / span > (make_IndexRefineFlat) {< / div >
< div class = "line" > < a name = "l00965" > < / a > < span class = "lineno" > 965< / span >   < a class = "code" href = "structfaiss_1_1IndexRefineFlat.html" > IndexRefineFlat< / a > *index_rf = < span class = "keyword" > new< / span > < a class = "code" href = "structfaiss_1_1IndexRefineFlat.html" > IndexRefineFlat< / a > (index);< / div >
< div class = "line" > < a name = "l00966" > < / a > < span class = "lineno" > 966< / span >   index_rf-> < a class = "code" href = "structfaiss_1_1IndexRefineFlat.html#aaf0f6a094de0e9409effa81bedb9c7e2" > own_fields< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00967" > < / a > < span class = "lineno" > 967< / span >   index = index_rf;< / div >
< div class = "line" > < a name = "l00968" > < / a > < span class = "lineno" > 968< / span >   }< / div >
< div class = "line" > < a name = "l00969" > < / a > < span class = "lineno" > 969< / span >   < / div >
< div class = "line" > < a name = "l00970" > < / a > < span class = "lineno" > 970< / span >   < span class = "keywordflow" > return< / span > index;< / div >
< div class = "line" > < a name = "l00971" > < / a > < span class = "lineno" > 971< / span >   }< / div >
< div class = "line" > < a name = "l00972" > < / a > < span class = "lineno" > 972< / span >   < / div >
< div class = "line" > < a name = "l00973" > < / a > < span class = "lineno" > 973< / span >   IndexBinary *index_binary_factory(< span class = "keywordtype" > int< / span > d, < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *description)< / div >
< div class = "line" > < a name = "l00974" > < / a > < span class = "lineno" > 974< / span >   {< / div >
< div class = "line" > < a name = "l00975" > < / a > < span class = "lineno" > 975< / span >   IndexBinary *index = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00976" > < / a > < span class = "lineno" > 976< / span >   < / div >
< div class = "line" > < a name = "l00977" > < / a > < span class = "lineno" > 977< / span >   < span class = "keywordtype" > int< / span > ncentroids = -1;< / div >
< div class = "line" > < a name = "l00978" > < / a > < span class = "lineno" > 978< / span >   < span class = "keywordtype" > int< / span > M;< / div >
< div class = "line" > < a name = "l00979" > < / a > < span class = "lineno" > 979< / span >   < / div >
< div class = "line" > < a name = "l00980" > < / a > < span class = "lineno" > 980< / span >   < span class = "keywordflow" > if< / span > (sscanf(description, < span class = "stringliteral" > " BIVF%d_HNSW%d" < / span > , & ncentroids, & M) == 2) {< / div >
< div class = "line" > < a name = "l00981" > < / a > < span class = "lineno" > 981< / span >   IndexBinaryIVF *index_ivf = < span class = "keyword" > new< / span > IndexBinaryIVF(< / div >
< div class = "line" > < a name = "l00982" > < / a > < span class = "lineno" > 982< / span >   < span class = "keyword" > new< / span > IndexBinaryHNSW(d, M), d, ncentroids< / div >
< div class = "line" > < a name = "l00983" > < / a > < span class = "lineno" > 983< / span >   );< / div >
< div class = "line" > < a name = "l00984" > < / a > < span class = "lineno" > 984< / span >   index_ivf-> own_fields = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00985" > < / a > < span class = "lineno" > 985< / span >   index = index_ivf;< / div >
2018-12-20 00:48:35 +08:00
< div class = "line" > < a name = "l00986" > < / a > < span class = "lineno" > 986< / span >   < / div >
2019-05-28 22:17:22 +08:00
< div class = "line" > < a name = "l00987" > < / a > < span class = "lineno" > 987< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf(description, < span class = "stringliteral" > " BIVF%d" < / span > , & ncentroids) == 1) {< / div >
< div class = "line" > < a name = "l00988" > < / a > < span class = "lineno" > 988< / span >   IndexBinaryIVF *index_ivf = < span class = "keyword" > new< / span > IndexBinaryIVF(< / div >
< div class = "line" > < a name = "l00989" > < / a > < span class = "lineno" > 989< / span >   < span class = "keyword" > new< / span > IndexBinaryFlat(d), d, ncentroids< / div >
< div class = "line" > < a name = "l00990" > < / a > < span class = "lineno" > 990< / span >   );< / div >
< div class = "line" > < a name = "l00991" > < / a > < span class = "lineno" > 991< / span >   index_ivf-> own_fields = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00992" > < / a > < span class = "lineno" > 992< / span >   index = index_ivf;< / div >
< div class = "line" > < a name = "l00993" > < / a > < span class = "lineno" > 993< / span >   < / div >
< div class = "line" > < a name = "l00994" > < / a > < span class = "lineno" > 994< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sscanf(description, < span class = "stringliteral" > " BHNSW%d" < / span > , & M) == 1) {< / div >
< div class = "line" > < a name = "l00995" > < / a > < span class = "lineno" > 995< / span >   IndexBinaryHNSW *index_hnsw = < span class = "keyword" > new< / span > IndexBinaryHNSW(d, M);< / div >
< div class = "line" > < a name = "l00996" > < / a > < span class = "lineno" > 996< / span >   index = index_hnsw;< / div >
< div class = "line" > < a name = "l00997" > < / a > < span class = "lineno" > 997< / span >   < / div >
< div class = "line" > < a name = "l00998" > < / a > < span class = "lineno" > 998< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (std::string(description) == < span class = "stringliteral" > " BFlat" < / span > ) {< / div >
< div class = "line" > < a name = "l00999" > < / a > < span class = "lineno" > 999< / span >   index = < span class = "keyword" > new< / span > IndexBinaryFlat(d);< / div >
< div class = "line" > < a name = "l01000" > < / a > < span class = "lineno" > 1000< / span >   < / div >
< div class = "line" > < a name = "l01001" > < / a > < span class = "lineno" > 1001< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01002" > < / a > < span class = "lineno" > 1002< / span >   FAISS_THROW_IF_NOT_FMT(index, < span class = "stringliteral" > " descrption %s did not generate an index" < / span > ,< / div >
< div class = "line" > < a name = "l01003" > < / a > < span class = "lineno" > 1003< / span >   description);< / div >
< div class = "line" > < a name = "l01004" > < / a > < span class = "lineno" > 1004< / span >   }< / div >
< div class = "line" > < a name = "l01005" > < / a > < span class = "lineno" > 1005< / span >   < / div >
< div class = "line" > < a name = "l01006" > < / a > < span class = "lineno" > 1006< / span >   < span class = "keywordflow" > return< / span > index;< / div >
< div class = "line" > < a name = "l01007" > < / a > < span class = "lineno" > 1007< / span >   }< / div >
< div class = "line" > < a name = "l01008" > < / a > < span class = "lineno" > 1008< / span >   < / div >
< div class = "line" > < a name = "l01009" > < / a > < span class = "lineno" > 1009< / span >   < span class = "comment" > /*********************************************************************< / span > < / div >
< div class = "line" > < a name = "l01010" > < / a > < span class = "lineno" > 1010< / span >   < span class = "comment" > * MatrixStats< / span > < / div >
< div class = "line" > < a name = "l01011" > < / a > < span class = "lineno" > 1011< / span >   < span class = "comment" > *********************************************************************/< / span > < / div >
< div class = "line" > < a name = "l01012" > < / a > < span class = "lineno" > 1012< / span >   < / div >
< div class = "line" > < a name = "l01013" > < / a > < span class = "lineno" > 1013< / span >   MatrixStats::PerDimStats::PerDimStats():< / div >
< div class = "line" > < a name = "l01014" > < / a > < span class = "lineno" > 1014< / span >   n(0), n_nan(0), n_inf(0), n0(0),< / div >
< div class = "line" > < a name = "l01015" > < / a > < span class = "lineno" > 1015< / span >   min(HUGE_VALF), max(-HUGE_VALF),< / div >
< div class = "line" > < a name = "l01016" > < / a > < span class = "lineno" > 1016< / span >   sum(0), sum2(0),< / div >
< div class = "line" > < a name = "l01017" > < / a > < span class = "lineno" > 1017< / span >   mean(NAN), stddev(NAN)< / div >
< div class = "line" > < a name = "l01018" > < / a > < span class = "lineno" > 1018< / span >   {}< / div >
< div class = "line" > < a name = "l01019" > < / a > < span class = "lineno" > 1019< / span >   < / div >
< div class = "line" > < a name = "l01020" > < / a > < span class = "lineno" > 1020< / span >   < / div >
< div class = "line" > < a name = "l01021" > < / a > < span class = "lineno" > 1021< / span >   < span class = "keywordtype" > void< / span > MatrixStats::PerDimStats::add (< span class = "keywordtype" > float< / span > x)< / div >
< div class = "line" > < a name = "l01022" > < / a > < span class = "lineno" > 1022< / span >   {< / div >
< div class = "line" > < a name = "l01023" > < / a > < span class = "lineno" > 1023< / span >   n++;< / div >
< div class = "line" > < a name = "l01024" > < / a > < span class = "lineno" > 1024< / span >   < span class = "keywordflow" > if< / span > (std::isnan(x)) {< / div >
< div class = "line" > < a name = "l01025" > < / a > < span class = "lineno" > 1025< / span >   n_nan++;< / div >
< div class = "line" > < a name = "l01026" > < / a > < span class = "lineno" > 1026< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l01027" > < / a > < span class = "lineno" > 1027< / span >   }< / div >
< div class = "line" > < a name = "l01028" > < / a > < span class = "lineno" > 1028< / span >   < span class = "keywordflow" > if< / span > (!std::isfinite(x)) {< / div >
< div class = "line" > < a name = "l01029" > < / a > < span class = "lineno" > 1029< / span >   n_inf++;< / div >
< div class = "line" > < a name = "l01030" > < / a > < span class = "lineno" > 1030< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l01031" > < / a > < span class = "lineno" > 1031< / span >   }< / div >
< div class = "line" > < a name = "l01032" > < / a > < span class = "lineno" > 1032< / span >   < span class = "keywordflow" > if< / span > (x == 0) n0++;< / div >
< div class = "line" > < a name = "l01033" > < / a > < span class = "lineno" > 1033< / span >   < span class = "keywordflow" > if< / span > (x < min) min = x;< / div >
< div class = "line" > < a name = "l01034" > < / a > < span class = "lineno" > 1034< / span >   < span class = "keywordflow" > if< / span > (x > max) max = x;< / div >
< div class = "line" > < a name = "l01035" > < / a > < span class = "lineno" > 1035< / span >   sum += x;< / div >
< div class = "line" > < a name = "l01036" > < / a > < span class = "lineno" > 1036< / span >   sum2 += (double)x * (< span class = "keywordtype" > double< / span > )x;< / div >
< div class = "line" > < a name = "l01037" > < / a > < span class = "lineno" > 1037< / span >   }< / div >
< div class = "line" > < a name = "l01038" > < / a > < span class = "lineno" > 1038< / span >   < / div >
< div class = "line" > < a name = "l01039" > < / a > < span class = "lineno" > 1039< / span >   < span class = "keywordtype" > void< / span > MatrixStats::PerDimStats::compute_mean_std ()< / div >
< div class = "line" > < a name = "l01040" > < / a > < span class = "lineno" > 1040< / span >   {< / div >
< div class = "line" > < a name = "l01041" > < / a > < span class = "lineno" > 1041< / span >   n_valid = n - n_nan - n_inf;< / div >
< div class = "line" > < a name = "l01042" > < / a > < span class = "lineno" > 1042< / span >   mean = sum / n_valid;< / div >
< div class = "line" > < a name = "l01043" > < / a > < span class = "lineno" > 1043< / span >   < span class = "keywordtype" > double< / span > var = sum2 / n_valid - mean * mean;< / div >
< div class = "line" > < a name = "l01044" > < / a > < span class = "lineno" > 1044< / span >   < span class = "keywordflow" > if< / span > (var < 0) var = 0;< / div >
< div class = "line" > < a name = "l01045" > < / a > < span class = "lineno" > 1045< / span >   stddev = sqrt(var);< / div >
< div class = "line" > < a name = "l01046" > < / a > < span class = "lineno" > 1046< / span >   }< / div >
< div class = "line" > < a name = "l01047" > < / a > < span class = "lineno" > 1047< / span >   < / div >
< div class = "line" > < a name = "l01048" > < / a > < span class = "lineno" > 1048< / span >   < / div >
< div class = "line" > < a name = "l01049" > < / a > < span class = "lineno" > 1049< / span >   < span class = "keywordtype" > void< / span > MatrixStats::do_comment (< span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *fmt, ...)< / div >
< div class = "line" > < a name = "l01050" > < / a > < span class = "lineno" > 1050< / span >   {< / div >
< div class = "line" > < a name = "l01051" > < / a > < span class = "lineno" > 1051< / span >   va_list ap;< / div >
< div class = "line" > < a name = "l01052" > < / a > < span class = "lineno" > 1052< / span >   < / div >
< div class = "line" > < a name = "l01053" > < / a > < span class = "lineno" > 1053< / span >   < span class = "comment" > /* Determine required size */< / span > < / div >
< div class = "line" > < a name = "l01054" > < / a > < span class = "lineno" > 1054< / span >   va_start(ap, fmt);< / div >
< div class = "line" > < a name = "l01055" > < / a > < span class = "lineno" > 1055< / span >   < span class = "keywordtype" > size_t< / span > size = vsnprintf(buf, nbuf, fmt, ap);< / div >
< div class = "line" > < a name = "l01056" > < / a > < span class = "lineno" > 1056< / span >   va_end(ap);< / div >
< div class = "line" > < a name = "l01057" > < / a > < span class = "lineno" > 1057< / span >   < / div >
< div class = "line" > < a name = "l01058" > < / a > < span class = "lineno" > 1058< / span >   nbuf -= size;< / div >
< div class = "line" > < a name = "l01059" > < / a > < span class = "lineno" > 1059< / span >   buf += size;< / div >
< div class = "line" > < a name = "l01060" > < / a > < span class = "lineno" > 1060< / span >   }< / div >
< div class = "line" > < a name = "l01061" > < / a > < span class = "lineno" > 1061< / span >   < / div >
< div class = "line" > < a name = "l01062" > < / a > < span class = "lineno" > 1062< / span >   < / div >
< div class = "line" > < a name = "l01063" > < / a > < span class = "lineno" > 1063< / span >   < / div >
< div class = "line" > < a name = "l01064" > < / a > < span class = "lineno" > 1064< / span >   MatrixStats::MatrixStats (< span class = "keywordtype" > size_t< / span > n, < span class = "keywordtype" > size_t< / span > d, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x):< / div >
< div class = "line" > < a name = "l01065" > < / a > < span class = "lineno" > 1065< / span >   n(n), d(d),< / div >
< div class = "line" > < a name = "l01066" > < / a > < span class = "lineno" > 1066< / span >   n_collision(0), n_valid(0), n0(0),< / div >
< div class = "line" > < a name = "l01067" > < / a > < span class = "lineno" > 1067< / span >   min_norm2(HUGE_VAL), max_norm2(0)< / div >
< div class = "line" > < a name = "l01068" > < / a > < span class = "lineno" > 1068< / span >   {< / div >
< div class = "line" > < a name = "l01069" > < / a > < span class = "lineno" > 1069< / span >   std::vector< char> comment_buf (10000);< / div >
< div class = "line" > < a name = "l01070" > < / a > < span class = "lineno" > 1070< / span >   buf = comment_buf.data ();< / div >
< div class = "line" > < a name = "l01071" > < / a > < span class = "lineno" > 1071< / span >   nbuf = comment_buf.size();< / div >
< div class = "line" > < a name = "l01072" > < / a > < span class = "lineno" > 1072< / span >   < / div >
< div class = "line" > < a name = "l01073" > < / a > < span class = "lineno" > 1073< / span >   do_comment (< span class = "stringliteral" > " analyzing %ld vectors of size %ld\n" < / span > , n, d);< / div >
< div class = "line" > < a name = "l01074" > < / a > < span class = "lineno" > 1074< / span >   < / div >
< div class = "line" > < a name = "l01075" > < / a > < span class = "lineno" > 1075< / span >   < span class = "keywordflow" > if< / span > (d > 1024) {< / div >
< div class = "line" > < a name = "l01076" > < / a > < span class = "lineno" > 1076< / span >   do_comment (< / div >
< div class = "line" > < a name = "l01077" > < / a > < span class = "lineno" > 1077< / span >   < span class = "stringliteral" > " indexing this many dimensions is hard, " < / span > < / div >
< div class = "line" > < a name = "l01078" > < / a > < span class = "lineno" > 1078< / span >   < span class = "stringliteral" > " please consider dimensionality reducution (with PCAMatrix)\n" < / span > );< / div >
< div class = "line" > < a name = "l01079" > < / a > < span class = "lineno" > 1079< / span >   }< / div >
< div class = "line" > < a name = "l01080" > < / a > < span class = "lineno" > 1080< / span >   < / div >
< div class = "line" > < a name = "l01081" > < / a > < span class = "lineno" > 1081< / span >   < span class = "keywordtype" > size_t< / span > nbytes = < span class = "keyword" > sizeof< / span > (x[0]) * d;< / div >
< div class = "line" > < a name = "l01082" > < / a > < span class = "lineno" > 1082< / span >   per_dim_stats.resize (d);< / div >
< div class = "line" > < a name = "l01083" > < / a > < span class = "lineno" > 1083< / span >   < / div >
< div class = "line" > < a name = "l01084" > < / a > < span class = "lineno" > 1084< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l01085" > < / a > < span class = "lineno" > 1085< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *xi = x + d * i;< / div >
< div class = "line" > < a name = "l01086" > < / a > < span class = "lineno" > 1086< / span >   < span class = "keywordtype" > double< / span > sum2 = 0;< / div >
< div class = "line" > < a name = "l01087" > < / a > < span class = "lineno" > 1087< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < d; j++) {< / div >
< div class = "line" > < a name = "l01088" > < / a > < span class = "lineno" > 1088< / span >   per_dim_stats[j].add (xi[j]);< / div >
< div class = "line" > < a name = "l01089" > < / a > < span class = "lineno" > 1089< / span >   sum2 += xi[j] * (double)xi[j];< / div >
< div class = "line" > < a name = "l01090" > < / a > < span class = "lineno" > 1090< / span >   }< / div >
< div class = "line" > < a name = "l01091" > < / a > < span class = "lineno" > 1091< / span >   < / div >
< div class = "line" > < a name = "l01092" > < / a > < span class = "lineno" > 1092< / span >   < span class = "keywordflow" > if< / span > (std::isfinite (sum2)) {< / div >
< div class = "line" > < a name = "l01093" > < / a > < span class = "lineno" > 1093< / span >   n_valid++;< / div >
< div class = "line" > < a name = "l01094" > < / a > < span class = "lineno" > 1094< / span >   < span class = "keywordflow" > if< / span > (sum2 == 0) {< / div >
< div class = "line" > < a name = "l01095" > < / a > < span class = "lineno" > 1095< / span >   n0 ++;< / div >
< div class = "line" > < a name = "l01096" > < / a > < span class = "lineno" > 1096< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01097" > < / a > < span class = "lineno" > 1097< / span >   < span class = "keywordflow" > if< / span > (sum2 < min_norm2) min_norm2 = sum2;< / div >
< div class = "line" > < a name = "l01098" > < / a > < span class = "lineno" > 1098< / span >   < span class = "keywordflow" > if< / span > (sum2 > max_norm2) max_norm2 = sum2;< / div >
< div class = "line" > < a name = "l01099" > < / a > < span class = "lineno" > 1099< / span >   }< / div >
< div class = "line" > < a name = "l01100" > < / a > < span class = "lineno" > 1100< / span >   }< / div >
< div class = "line" > < a name = "l01101" > < / a > < span class = "lineno" > 1101< / span >   < / div >
< div class = "line" > < a name = "l01102" > < / a > < span class = "lineno" > 1102< / span >   { < span class = "comment" > // check hash< / span > < / div >
< div class = "line" > < a name = "l01103" > < / a > < span class = "lineno" > 1103< / span >   uint64_t hash = < a class = "code" href = "namespacefaiss.html#abefd45801bab63d2eb71005ad7a51d32" > hash_bytes< / a > ((< span class = "keyword" > const< / span > uint8_t*)xi, nbytes);< / div >
< div class = "line" > < a name = "l01104" > < / a > < span class = "lineno" > 1104< / span >   < span class = "keyword" > auto< / span > elt = occurrences.find (hash);< / div >
< div class = "line" > < a name = "l01105" > < / a > < span class = "lineno" > 1105< / span >   < span class = "keywordflow" > if< / span > (elt == occurrences.end()) {< / div >
< div class = "line" > < a name = "l01106" > < / a > < span class = "lineno" > 1106< / span >   Occurrence occ = {i, 1};< / div >
< div class = "line" > < a name = "l01107" > < / a > < span class = "lineno" > 1107< / span >   occurrences[hash] = occ;< / div >
< div class = "line" > < a name = "l01108" > < / a > < span class = "lineno" > 1108< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01109" > < / a > < span class = "lineno" > 1109< / span >   < span class = "keywordflow" > if< / span > (!memcmp (xi, x + elt-> second.first * d, nbytes)) {< / div >
< div class = "line" > < a name = "l01110" > < / a > < span class = "lineno" > 1110< / span >   elt-> second.count ++;< / div >
< div class = "line" > < a name = "l01111" > < / a > < span class = "lineno" > 1111< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01112" > < / a > < span class = "lineno" > 1112< / span >   n_collision ++;< / div >
< div class = "line" > < a name = "l01113" > < / a > < span class = "lineno" > 1113< / span >   < span class = "comment" > // we should use a list of collisions but overkill< / span > < / div >
< div class = "line" > < a name = "l01114" > < / a > < span class = "lineno" > 1114< / span >   }< / div >
< div class = "line" > < a name = "l01115" > < / a > < span class = "lineno" > 1115< / span >   }< / div >
< div class = "line" > < a name = "l01116" > < / a > < span class = "lineno" > 1116< / span >   }< / div >
< div class = "line" > < a name = "l01117" > < / a > < span class = "lineno" > 1117< / span >   }< / div >
< div class = "line" > < a name = "l01118" > < / a > < span class = "lineno" > 1118< / span >   < / div >
< div class = "line" > < a name = "l01119" > < / a > < span class = "lineno" > 1119< / span >   < span class = "comment" > // invalid vecor stats< / span > < / div >
< div class = "line" > < a name = "l01120" > < / a > < span class = "lineno" > 1120< / span >   < span class = "keywordflow" > if< / span > (n_valid == n) {< / div >
< div class = "line" > < a name = "l01121" > < / a > < span class = "lineno" > 1121< / span >   do_comment (< span class = "stringliteral" > " no NaN or Infs in data\n" < / span > );< / div >
< div class = "line" > < a name = "l01122" > < / a > < span class = "lineno" > 1122< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01123" > < / a > < span class = "lineno" > 1123< / span >   do_comment (< span class = "stringliteral" > " %ld vectors contain NaN or Inf " < / span > < / div >
< div class = "line" > < a name = "l01124" > < / a > < span class = "lineno" > 1124< / span >   < span class = "stringliteral" > " (or have too large components), " < / span > < / div >
< div class = "line" > < a name = "l01125" > < / a > < span class = "lineno" > 1125< / span >   < span class = "stringliteral" > " expect bad results with indexing!\n" < / span > , n - n_valid);< / div >
< div class = "line" > < a name = "l01126" > < / a > < span class = "lineno" > 1126< / span >   }< / div >
< div class = "line" > < a name = "l01127" > < / a > < span class = "lineno" > 1127< / span >   < / div >
< div class = "line" > < a name = "l01128" > < / a > < span class = "lineno" > 1128< / span >   < span class = "comment" > // copies in dataset< / span > < / div >
< div class = "line" > < a name = "l01129" > < / a > < span class = "lineno" > 1129< / span >   < span class = "keywordflow" > if< / span > (occurrences.size() == n) {< / div >
< div class = "line" > < a name = "l01130" > < / a > < span class = "lineno" > 1130< / span >   do_comment (< span class = "stringliteral" > " all vectors are distinct\n" < / span > );< / div >
< div class = "line" > < a name = "l01131" > < / a > < span class = "lineno" > 1131< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01132" > < / a > < span class = "lineno" > 1132< / span >   do_comment (< span class = "stringliteral" > " %ld vectors are distinct (%.2f%%)\n" < / span > ,< / div >
< div class = "line" > < a name = "l01133" > < / a > < span class = "lineno" > 1133< / span >   occurrences.size(),< / div >
< div class = "line" > < a name = "l01134" > < / a > < span class = "lineno" > 1134< / span >   occurrences.size() * 100.0 / n);< / div >
< div class = "line" > < a name = "l01135" > < / a > < span class = "lineno" > 1135< / span >   < / div >
< div class = "line" > < a name = "l01136" > < / a > < span class = "lineno" > 1136< / span >   < span class = "keywordflow" > if< / span > (n_collision > 0) {< / div >
< div class = "line" > < a name = "l01137" > < / a > < span class = "lineno" > 1137< / span >   do_comment (< span class = "stringliteral" > " %ld collisions in hash table, " < / span > < / div >
< div class = "line" > < a name = "l01138" > < / a > < span class = "lineno" > 1138< / span >   < span class = "stringliteral" > " counts may be invalid\n" < / span > , n_collision);< / div >
< div class = "line" > < a name = "l01139" > < / a > < span class = "lineno" > 1139< / span >   }< / div >
< div class = "line" > < a name = "l01140" > < / a > < span class = "lineno" > 1140< / span >   < / div >
< div class = "line" > < a name = "l01141" > < / a > < span class = "lineno" > 1141< / span >   Occurrence max = {0, 0};< / div >
< div class = "line" > < a name = "l01142" > < / a > < span class = "lineno" > 1142< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it = occurrences.begin();< / div >
< div class = "line" > < a name = "l01143" > < / a > < span class = "lineno" > 1143< / span >   it != occurrences.end(); ++it) {< / div >
< div class = "line" > < a name = "l01144" > < / a > < span class = "lineno" > 1144< / span >   < span class = "keywordflow" > if< / span > (it-> second.count > max.count) {< / div >
< div class = "line" > < a name = "l01145" > < / a > < span class = "lineno" > 1145< / span >   max = it-> second;< / div >
< div class = "line" > < a name = "l01146" > < / a > < span class = "lineno" > 1146< / span >   }< / div >
< div class = "line" > < a name = "l01147" > < / a > < span class = "lineno" > 1147< / span >   }< / div >
< div class = "line" > < a name = "l01148" > < / a > < span class = "lineno" > 1148< / span >   do_comment (< span class = "stringliteral" > " vector %ld has %ld copies\n" < / span > , max.first, max.count);< / div >
< div class = "line" > < a name = "l01149" > < / a > < span class = "lineno" > 1149< / span >   }< / div >
< div class = "line" > < a name = "l01150" > < / a > < span class = "lineno" > 1150< / span >   < / div >
< div class = "line" > < a name = "l01151" > < / a > < span class = "lineno" > 1151< / span >   { < span class = "comment" > // norm stats< / span > < / div >
< div class = "line" > < a name = "l01152" > < / a > < span class = "lineno" > 1152< / span >   min_norm2 = sqrt (min_norm2);< / div >
< div class = "line" > < a name = "l01153" > < / a > < span class = "lineno" > 1153< / span >   max_norm2 = sqrt (max_norm2);< / div >
< div class = "line" > < a name = "l01154" > < / a > < span class = "lineno" > 1154< / span >   do_comment (< span class = "stringliteral" > " range of L2 norms=[%g, %g] (%ld null vectors)\n" < / span > ,< / div >
< div class = "line" > < a name = "l01155" > < / a > < span class = "lineno" > 1155< / span >   min_norm2, max_norm2, n0);< / div >
< div class = "line" > < a name = "l01156" > < / a > < span class = "lineno" > 1156< / span >   < / div >
< div class = "line" > < a name = "l01157" > < / a > < span class = "lineno" > 1157< / span >   < span class = "keywordflow" > if< / span > (max_norm2 < min_norm2 * 1.0001) {< / div >
< div class = "line" > < a name = "l01158" > < / a > < span class = "lineno" > 1158< / span >   do_comment (< span class = "stringliteral" > " vectors are normalized, inner product and " < / span > < / div >
< div class = "line" > < a name = "l01159" > < / a > < span class = "lineno" > 1159< / span >   < span class = "stringliteral" > " L2 search are equivalent\n" < / span > );< / div >
< div class = "line" > < a name = "l01160" > < / a > < span class = "lineno" > 1160< / span >   }< / div >
< div class = "line" > < a name = "l01161" > < / a > < span class = "lineno" > 1161< / span >   < / div >
< div class = "line" > < a name = "l01162" > < / a > < span class = "lineno" > 1162< / span >   < span class = "keywordflow" > if< / span > (max_norm2 > min_norm2 * 100) {< / div >
< div class = "line" > < a name = "l01163" > < / a > < span class = "lineno" > 1163< / span >   do_comment (< span class = "stringliteral" > " vectors have very large differences in norms, " < / span > < / div >
< div class = "line" > < a name = "l01164" > < / a > < span class = "lineno" > 1164< / span >   < span class = "stringliteral" > " is this normal?\n" < / span > );< / div >
< div class = "line" > < a name = "l01165" > < / a > < span class = "lineno" > 1165< / span >   }< / div >
< div class = "line" > < a name = "l01166" > < / a > < span class = "lineno" > 1166< / span >   }< / div >
< div class = "line" > < a name = "l01167" > < / a > < span class = "lineno" > 1167< / span >   < / div >
< div class = "line" > < a name = "l01168" > < / a > < span class = "lineno" > 1168< / span >   { < span class = "comment" > // per dimension stats< / span > < / div >
< div class = "line" > < a name = "l01169" > < / a > < span class = "lineno" > 1169< / span >   < / div >
< div class = "line" > < a name = "l01170" > < / a > < span class = "lineno" > 1170< / span >   < span class = "keywordtype" > double< / span > max_std = 0, min_std = HUGE_VAL;< / div >
< div class = "line" > < a name = "l01171" > < / a > < span class = "lineno" > 1171< / span >   < / div >
< div class = "line" > < a name = "l01172" > < / a > < span class = "lineno" > 1172< / span >   < span class = "keywordtype" > size_t< / span > n_dangerous_range = 0, n_0_range = 0, n0 = 0;< / div >
< div class = "line" > < a name = "l01173" > < / a > < span class = "lineno" > 1173< / span >   < / div >
< div class = "line" > < a name = "l01174" > < / a > < span class = "lineno" > 1174< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < d; j++) {< / div >
< div class = "line" > < a name = "l01175" > < / a > < span class = "lineno" > 1175< / span >   PerDimStats & st = per_dim_stats[j];< / div >
< div class = "line" > < a name = "l01176" > < / a > < span class = "lineno" > 1176< / span >   st.compute_mean_std ();< / div >
< div class = "line" > < a name = "l01177" > < / a > < span class = "lineno" > 1177< / span >   n0 += st.n0;< / div >
< div class = "line" > < a name = "l01178" > < / a > < span class = "lineno" > 1178< / span >   < / div >
< div class = "line" > < a name = "l01179" > < / a > < span class = "lineno" > 1179< / span >   < span class = "keywordflow" > if< / span > (st.max == st.min) {< / div >
< div class = "line" > < a name = "l01180" > < / a > < span class = "lineno" > 1180< / span >   n_0_range ++;< / div >
< div class = "line" > < a name = "l01181" > < / a > < span class = "lineno" > 1181< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (st.max < 1.001 * st.min) {< / div >
< div class = "line" > < a name = "l01182" > < / a > < span class = "lineno" > 1182< / span >   n_dangerous_range ++;< / div >
< div class = "line" > < a name = "l01183" > < / a > < span class = "lineno" > 1183< / span >   }< / div >
< div class = "line" > < a name = "l01184" > < / a > < span class = "lineno" > 1184< / span >   < / div >
< div class = "line" > < a name = "l01185" > < / a > < span class = "lineno" > 1185< / span >   < span class = "keywordflow" > if< / span > (st.stddev > max_std) max_std = st.stddev;< / div >
< div class = "line" > < a name = "l01186" > < / a > < span class = "lineno" > 1186< / span >   < span class = "keywordflow" > if< / span > (st.stddev < min_std) min_std = st.stddev;< / div >
< div class = "line" > < a name = "l01187" > < / a > < span class = "lineno" > 1187< / span >   }< / div >
< div class = "line" > < a name = "l01188" > < / a > < span class = "lineno" > 1188< / span >   < / div >
< div class = "line" > < a name = "l01189" > < / a > < span class = "lineno" > 1189< / span >   < / div >
< div class = "line" > < a name = "l01190" > < / a > < span class = "lineno" > 1190< / span >   < / div >
< div class = "line" > < a name = "l01191" > < / a > < span class = "lineno" > 1191< / span >   < span class = "keywordflow" > if< / span > (n0 == 0) {< / div >
< div class = "line" > < a name = "l01192" > < / a > < span class = "lineno" > 1192< / span >   do_comment (< span class = "stringliteral" > " matrix contains no 0s\n" < / span > );< / div >
< div class = "line" > < a name = "l01193" > < / a > < span class = "lineno" > 1193< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01194" > < / a > < span class = "lineno" > 1194< / span >   do_comment (< span class = "stringliteral" > " matrix contains %.2f %% 0 entries\n" < / span > ,< / div >
< div class = "line" > < a name = "l01195" > < / a > < span class = "lineno" > 1195< / span >   n0 * 100.0 / (n * d));< / div >
< div class = "line" > < a name = "l01196" > < / a > < span class = "lineno" > 1196< / span >   }< / div >
< div class = "line" > < a name = "l01197" > < / a > < span class = "lineno" > 1197< / span >   < / div >
< div class = "line" > < a name = "l01198" > < / a > < span class = "lineno" > 1198< / span >   < span class = "keywordflow" > if< / span > (n_0_range == 0) {< / div >
< div class = "line" > < a name = "l01199" > < / a > < span class = "lineno" > 1199< / span >   do_comment (< span class = "stringliteral" > " no constant dimensions\n" < / span > );< / div >
< div class = "line" > < a name = "l01200" > < / a > < span class = "lineno" > 1200< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01201" > < / a > < span class = "lineno" > 1201< / span >   do_comment (< span class = "stringliteral" > " %ld dimensions are constant: they can be removed\n" < / span > ,< / div >
< div class = "line" > < a name = "l01202" > < / a > < span class = "lineno" > 1202< / span >   n_0_range);< / div >
< div class = "line" > < a name = "l01203" > < / a > < span class = "lineno" > 1203< / span >   }< / div >
< div class = "line" > < a name = "l01204" > < / a > < span class = "lineno" > 1204< / span >   < / div >
< div class = "line" > < a name = "l01205" > < / a > < span class = "lineno" > 1205< / span >   < span class = "keywordflow" > if< / span > (n_dangerous_range == 0) {< / div >
< div class = "line" > < a name = "l01206" > < / a > < span class = "lineno" > 1206< / span >   do_comment (< span class = "stringliteral" > " no dimension has a too large mean\n" < / span > );< / div >
< div class = "line" > < a name = "l01207" > < / a > < span class = "lineno" > 1207< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01208" > < / a > < span class = "lineno" > 1208< / span >   do_comment (< span class = "stringliteral" > " %ld dimensions are too large " < / span > < / div >
< div class = "line" > < a name = "l01209" > < / a > < span class = "lineno" > 1209< / span >   < span class = "stringliteral" > " wrt. their variance, may loose precision " < / span > < / div >
< div class = "line" > < a name = "l01210" > < / a > < span class = "lineno" > 1210< / span >   < span class = "stringliteral" > " in IndexFlatL2 (use CenteringTransform)\n" < / span > ,< / div >
< div class = "line" > < a name = "l01211" > < / a > < span class = "lineno" > 1211< / span >   n_dangerous_range);< / div >
< div class = "line" > < a name = "l01212" > < / a > < span class = "lineno" > 1212< / span >   }< / div >
< div class = "line" > < a name = "l01213" > < / a > < span class = "lineno" > 1213< / span >   < / div >
< div class = "line" > < a name = "l01214" > < / a > < span class = "lineno" > 1214< / span >   do_comment (< span class = "stringliteral" > " stddevs per dimension are in [%g %g]\n" < / span > , min_std, max_std);< / div >
< div class = "line" > < a name = "l01215" > < / a > < span class = "lineno" > 1215< / span >   < / div >
< div class = "line" > < a name = "l01216" > < / a > < span class = "lineno" > 1216< / span >   < span class = "keywordtype" > size_t< / span > n_small_var = 0;< / div >
< div class = "line" > < a name = "l01217" > < / a > < span class = "lineno" > 1217< / span >   < / div >
< div class = "line" > < a name = "l01218" > < / a > < span class = "lineno" > 1218< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > j = 0; j < d; j++) {< / div >
< div class = "line" > < a name = "l01219" > < / a > < span class = "lineno" > 1219< / span >   < span class = "keyword" > const< / span > PerDimStats & st = per_dim_stats[j];< / div >
< div class = "line" > < a name = "l01220" > < / a > < span class = "lineno" > 1220< / span >   < span class = "keywordflow" > if< / span > (st.stddev < max_std * 1e-4) {< / div >
< div class = "line" > < a name = "l01221" > < / a > < span class = "lineno" > 1221< / span >   n_small_var++;< / div >
< div class = "line" > < a name = "l01222" > < / a > < span class = "lineno" > 1222< / span >   }< / div >
< div class = "line" > < a name = "l01223" > < / a > < span class = "lineno" > 1223< / span >   }< / div >
< div class = "line" > < a name = "l01224" > < / a > < span class = "lineno" > 1224< / span >   < / div >
< div class = "line" > < a name = "l01225" > < / a > < span class = "lineno" > 1225< / span >   < span class = "keywordflow" > if< / span > (n_small_var > 0) {< / div >
< div class = "line" > < a name = "l01226" > < / a > < span class = "lineno" > 1226< / span >   do_comment (< span class = "stringliteral" > " %ld dimensions have negligible stddev wrt. " < / span > < / div >
< div class = "line" > < a name = "l01227" > < / a > < span class = "lineno" > 1227< / span >   < span class = "stringliteral" > " the largest dimension, they could be ignored" < / span > ,< / div >
< div class = "line" > < a name = "l01228" > < / a > < span class = "lineno" > 1228< / span >   n_small_var);< / div >
< div class = "line" > < a name = "l01229" > < / a > < span class = "lineno" > 1229< / span >   }< / div >
< div class = "line" > < a name = "l01230" > < / a > < span class = "lineno" > 1230< / span >   < / div >
< div class = "line" > < a name = "l01231" > < / a > < span class = "lineno" > 1231< / span >   }< / div >
< div class = "line" > < a name = "l01232" > < / a > < span class = "lineno" > 1232< / span >   comments = comment_buf.data ();< / div >
< div class = "line" > < a name = "l01233" > < / a > < span class = "lineno" > 1233< / span >   buf = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l01234" > < / a > < span class = "lineno" > 1234< / span >   nbuf = 0;< / div >
< div class = "line" > < a name = "l01235" > < / a > < span class = "lineno" > 1235< / span >   }< / div >
< div class = "line" > < a name = "l01236" > < / a > < span class = "lineno" > 1236< / span >   < / div >
< div class = "line" > < a name = "l01237" > < / a > < span class = "lineno" > 1237< / span >   < / div >
< div class = "line" > < a name = "l01238" > < / a > < span class = "lineno" > 1238< / span >   < / div >
< div class = "line" > < a name = "l01239" > < / a > < span class = "lineno" > 1239< / span >   < / div >
< div class = "line" > < a name = "l01240" > < / a > < span class = "lineno" > 1240< / span >   } < span class = "comment" > // namespace faiss< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a57728d29c4785d9003b9cd564d0c51b2" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a57728d29c4785d9003b9cd564d0c51b2" > faiss::ParameterSpace::explore< / a > < / div > < div class = "ttdeci" > void explore(Index *index, size_t nq, const float *xq, const AutoTuneCriterion & crit, OperatingPoints *ops) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00597" > AutoTune.cpp:597< / a > < / div > < / 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 >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a334c1bb54bc2b70950a4a63950728cbb" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb" > faiss::ParameterSpace::parameter_ranges< / a > < / div > < div class = "ttdeci" > std::vector< ParameterRange > parameter_ranges< / div > < div class = "ttdoc" > all tunable parameters < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00134" > AutoTune.h:134< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OperatingPoint_html_aa13782d6d26168531764cb64da941ced" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoint.html#aa13782d6d26168531764cb64da941ced" > faiss::OperatingPoint::key< / a > < / div > < div class = "ttdeci" > std::string key< / div > < div class = "ttdoc" > key that identifies this op pt < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00089" > AutoTune.h:89< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexHNSWSQ_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexHNSWSQ.html" > faiss::IndexHNSWSQ< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexHNSW_8h_source.html#l00158" > IndexHNSW.h:158< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952e" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > faiss::ScalarQuantizer::QuantizerType< / a > < / div > < div class = "ttdeci" > QuantizerType< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexScalarQuantizer_8h_source.html#l00034" > IndexScalarQuantizer.h:34< / a > < / div > < / div >
2019-05-28 22:17:22 +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#l00021" > IndexFlat.h:21< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RandomRotationMatrix_html" > < div class = "ttname" > < a href = "structfaiss_1_1RandomRotationMatrix.html" > faiss::RandomRotationMatrix< / a > < / div > < div class = "ttdoc" > Randomly rotate a set of vectors. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00115" > VectorTransform.h:115< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoint_html_a2c023f1484e4748e3e97681bb1f4b78e" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoint.html#a2c023f1484e4748e3e97681bb1f4b78e" > faiss::OperatingPoint::cno< / a > < / div > < div class = "ttdeci" > long cno< / div > < div class = "ttdoc" > integer identifer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00090" > AutoTune.h:90< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQR_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQR.html" > faiss::IndexIVFPQR< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00155" > IndexIVFPQ.h:155< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexPQ_html_af616e1f3c7bff7f62c2607b8079da43f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPQ.html#af616e1f3c7bff7f62c2607b8079da43f" > faiss::IndexPQ::do_polysemous_training< / a > < / div > < div class = "ttdeci" > bool do_polysemous_training< / div > < div class = "ttdoc" > false = standard PQ < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexPQ_8h_source.html#l00069" > IndexPQ.h:69< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a1702eeb680ce73ca8c1fd071955f0679" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679" > faiss::OperatingPoints::clear< / a > < / div > < div class = "ttdeci" > void clear()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00111" > AutoTune.cpp:111< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a50d9d784d69d9812c12dc9b2baf9351d" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a50d9d784d69d9812c12dc9b2baf9351d" > faiss::ParameterSpace::min_test_duration< / a > < / div > < div class = "ttdeci" > double min_test_duration< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00153" > AutoTune.h:153< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1OneRecallAtRCriterion_html_afe472c2ae38534c293b02feebf87988d" > < div class = "ttname" > < a href = "structfaiss_1_1OneRecallAtRCriterion.html#afe472c2ae38534c293b02feebf87988d" > faiss::OneRecallAtRCriterion::evaluate< / a > < / div > < div class = "ttdeci" > double evaluate(const float *D, const idx_t *I) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00063" > AutoTune.cpp:63< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoint_html" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoint.html" > faiss::OperatingPoint< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00086" > AutoTune.h:86< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexScalarQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexScalarQuantizer.html" > faiss::IndexScalarQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexScalarQuantizer_8h_source.html#l00092" > IndexScalarQuantizer.h:92< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_ab146ed35f0c8f0c48983a054337a98e1" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#ab146ed35f0c8f0c48983a054337a98e1" > faiss::OperatingPoints::display< / a > < / div > < div class = "ttdeci" > void display(bool only_optimal=true) const < / div > < div class = "ttdoc" > easy-to-read output < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00230" > AutoTune.cpp:230< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexPQ_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPQ.html" > faiss::IndexPQ< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexPQ_8h_source.html#l00026" > IndexPQ.h:26< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoint_html_ad218d1641b6e32d043a215542485a457" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoint.html#ad218d1641b6e32d043a215542485a457" > faiss::OperatingPoint::perf< / a > < / div > < div class = "ttdeci" > double perf< / div > < div class = "ttdoc" > performance measure (output of a Criterion) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00087" > AutoTune.h:87< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952eacd3d1bd71533a7bc52149e4b3d1db13b" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eacd3d1bd71533a7bc52149e4b3d1db13b" > faiss::ScalarQuantizer::QT_4bit< / a > < / div > < div class = "ttdoc" > 4 bits per component < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexScalarQuantizer_8h_source.html#l00036" > IndexScalarQuantizer.h:36< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html" > faiss::OperatingPoints< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00093" > AutoTune.h:93< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a3a0723e0900f7048ac9567341de5ee56" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a3a0723e0900f7048ac9567341de5ee56" > faiss::OperatingPoints::t_for_perf< / a > < / div > < div class = "ttdeci" > double t_for_perf(double perf) const < / div > < div class = "ttdoc" > get time required to obtain a given performance measure < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00183" > AutoTune.cpp:183< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_a3bb11e873707a812999f8391869aafab" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab" > faiss::AutoTuneCriterion::nnn< / a > < / div > < div class = "ttdeci" > idx_t nnn< / div > < div class = "ttdoc" > nb of NNs that the query should request < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00029" > AutoTune.h:29< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1PCAMatrix_html" > < div class = "ttname" > < a href = "structfaiss_1_1PCAMatrix.html" > faiss::PCAMatrix< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00133" > VectorTransform.h:133< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexFlatL2_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexFlatL2.html" > faiss::IndexFlatL2< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00077" > IndexFlat.h:77< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IntersectionCriterion_html_a6f7aef25852931b22298f7bb4c358791" > < div class = "ttname" > < a href = "structfaiss_1_1IntersectionCriterion.html#a6f7aef25852931b22298f7bb4c358791" > faiss::IntersectionCriterion::evaluate< / a > < / div > < div class = "ttdeci" > double evaluate(const float *D, const idx_t *I) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00087" > AutoTune.cpp:87< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a7afabe0576800255eeec680486cb30df" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df" > faiss::OperatingPoints::add< / a > < / div > < div class = "ttdeci" > bool add(double perf, double t, const std::string & key, size_t cno=0)< / div > < div class = "ttdoc" > add a performance measure. Return whether it is an optimal point < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00121" > AutoTune.cpp:121< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OPQMatrix_html" > < div class = "ttname" > < a href = "structfaiss_1_1OPQMatrix.html" > faiss::OPQMatrix< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00188" > VectorTransform.h:188< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScopeDeleter1_html" > < div class = "ttname" > < a href = "structfaiss_1_1ScopeDeleter1.html" > faiss::ScopeDeleter1< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "FaissException_8h_source.html#l00058" > FaissException.h:58< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html_a9d5373633df7a9bec4de69400b9adeed" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html#a9d5373633df7a9bec4de69400b9adeed" > faiss::IndexIVFPQ::do_polysemous_training< / a > < / div > < div class = "ttdeci" > bool do_polysemous_training< / div > < div class = "ttdoc" > reorder PQ centroids after training? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00039" > IndexIVFPQ.h:39< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_aee8fd44e15656ba80fe98de4c65ed767" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767" > faiss::ParameterSpace::batchsize< / a > < / div > < div class = "ttdeci" > size_t batchsize< / div > < div class = "ttdoc" > maximum number of queries to submit at a time. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00145" > AutoTune.h:145< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1Index2Layer_html_a5f2d70740af90b8c7ac946d58ec947aa" > < div class = "ttname" > < a href = "structfaiss_1_1Index2Layer.html#a5f2d70740af90b8c7ac946d58ec947aa" > faiss::Index2Layer::q1< / a > < / div > < div class = "ttdeci" > Level1Quantizer q1< / div > < div class = "ttdoc" > first level quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00206" > IndexIVFPQ.h:206< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_a9084449e216b331c5f753a10c6de6a47" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#a9084449e216b331c5f753a10c6de6a47" > faiss::AutoTuneCriterion::evaluate< / a > < / div > < div class = "ttdeci" > virtual double evaluate(const float *D, const idx_t *I) const =0< / div > < / div >
2019-05-28 22:17:22 +08:00
< 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_1IndexIDMap_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html" > faiss::IndexIDMap< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00022" > MetaIndexes.h:22< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_adcfaafb3f1b3449e2cfd553f0f603a5b" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b" > faiss::AutoTuneCriterion::nq< / a > < / div > < div class = "ttdeci" > idx_t nq< / div > < div class = "ttdoc" > nb of queries this criterion is evaluated on < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00028" > AutoTune.h:28< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlat.html" > faiss::IndexIVFFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8h_source.html#l00024" > IndexIVFFlat.h:24< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a2829e78e01cc42c3a341622947663b31" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31" > faiss::OperatingPoints::optimal_pts< / a > < / div > < div class = "ttdeci" > std::vector< OperatingPoint > optimal_pts< / div > < div class = "ttdoc" > optimal operating points, sorted by perf < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00098" > AutoTune.h:98< / a > < / div > < / div >
2019-05-28 22:17:22 +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#l00071" > IndexFlat.h:71< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_a174f0de8e6fd01905f5fa2170f5039d8" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#a174f0de8e6fd01905f5fa2170f5039d8" > faiss::AutoTuneCriterion::set_groundtruth< / a > < / div > < div class = "ttdeci" > void set_groundtruth(int gt_nnn, const float *gt_D_in, const idx_t *gt_I_in)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00045" > AutoTune.cpp:45< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_aeaa27a715fe3fceef5da18d894976833" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833" > faiss::ParameterSpace::add_range< / a > < / div > < div class = "ttdeci" > ParameterRange & add_range(const char *name)< / div > < div class = "ttdoc" > add a new parameter (or return it if it exists) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00333" > AutoTune.cpp:333< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexRefineFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexRefineFlat.html" > faiss::IndexRefineFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00101" > IndexFlat.h:101< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index2Layer_html" > < div class = "ttname" > < a href = "structfaiss_1_1Index2Layer.html" > faiss::Index2Layer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00204" > IndexIVFPQ.h:204< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_a9b3a2242729a0873d255c1684881bbd4" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4" > faiss::AutoTuneCriterion::gt_nnn< / a > < / div > < div class = "ttdeci" > idx_t gt_nnn< / div > < div class = "ttdoc" > nb of GT NNs required to evaluate crterion < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00030" > AutoTune.h:30< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a84e6a4d2f595982b9d900c8585424f9b" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a84e6a4d2f595982b9d900c8585424f9b" > faiss::OperatingPoints::all_to_gnuplot< / a > < / div > < div class = "ttdeci" > void all_to_gnuplot(const char *fname) const < / div > < div class = "ttdoc" > output to a format easy to digest by gnuplot < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00197" > AutoTune.cpp:197< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexRefineFlat_html_aaf0f6a094de0e9409effa81bedb9c7e2" > < div class = "ttname" > < a href = "structfaiss_1_1IndexRefineFlat.html#aaf0f6a094de0e9409effa81bedb9c7e2" > faiss::IndexRefineFlat::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > should the base index be deallocated? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexFlat_8h_source.html#l00108" > IndexFlat.h:108< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexHNSW2Level_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexHNSW2Level.html" > faiss::IndexHNSW2Level< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexHNSW_8h_source.html#l00167" > IndexHNSW.h:167< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00066" > Index.h:66< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html_aa61330eadb84772b71018b093773a5f9" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html#aa61330eadb84772b71018b093773a5f9" > faiss::ProductQuantizer::code_size< / a > < / div > < div class = "ttdeci" > size_t code_size< / div > < div class = "ttdoc" > byte per indexed vector < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00033" > ProductQuantizer.h:33< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFPQ_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFPQ.html" > faiss::IndexIVFPQ< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFPQ_8h_source.html#l00034" > IndexIVFPQ.h:34< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_a1dcea762fc322fdcffe64f78994edea0" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0" > faiss::Level1Quantizer::quantizer_trains_alone< / a > < / div > < div class = "ttdeci" > char quantizer_trains_alone< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00040" > IndexIVF.h:40< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_af6dc3b9c5631b509cbae99bf0f24170b" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#af6dc3b9c5631b509cbae99bf0f24170b" > faiss::ParameterSpace::thread_over_batches< / a > < / div > < div class = "ttdeci" > bool thread_over_batches< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00149" > AutoTune.h:149< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "namespacefaiss_html_abefd45801bab63d2eb71005ad7a51d32" > < div class = "ttname" > < a href = "namespacefaiss.html#abefd45801bab63d2eb71005ad7a51d32" > faiss::hash_bytes< / a > < / div > < div class = "ttdeci" > uint64_t hash_bytes(const uint8_t *bytes, long n)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l01584" > utils.cpp:1584< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a48f457047b0511ecc531f250ef8b19c3" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3" > faiss::OperatingPoints::all_pts< / a > < / div > < div class = "ttdeci" > std::vector< OperatingPoint > all_pts< / div > < div class = "ttdoc" > all operating points < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00095" > AutoTune.h:95< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "namespacefaiss_html_a8dbc652ba48d41f126b8815004899448" > < div class = "ttname" > < a href = "namespacefaiss.html#a8dbc652ba48d41f126b8815004899448" > faiss::ranklist_intersection_size< / a > < / div > < div class = "ttdeci" > size_t ranklist_intersection_size(size_t k1, const long *v1, size_t k2, const long *v2_in)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l01253" > utils.cpp:1253< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_abb7097ed40b15ba0af08af6d03608f72" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#abb7097ed40b15ba0af08af6d03608f72" > faiss::Level1Quantizer::cp< / a > < / div > < div class = "ttdeci" > ClusteringParameters cp< / div > < div class = "ttdoc" > to override default clustering params < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00043" > IndexIVF.h:43< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html" > faiss::AutoTuneCriterion< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00026" > AutoTune.h:26< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a5590d847c5c2b958affd2a05e58a6f23" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > faiss::Index::verbose< / a > < / div > < div class = "ttdeci" > bool verbose< / div > < div class = "ttdoc" > verbosity level < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00068" > Index.h:68< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "namespacefaiss_html_af2a71f7d5402ae02ce169a4cc83020eb" > < div class = "ttname" > < a href = "namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb" > faiss::getmillisecs< / a > < / div > < div class = "ttdeci" > double getmillisecs()< / div > < div class = "ttdoc" > ms elapsed since some arbitrary epoch < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l00069" > utils.cpp:69< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexShardsTemplate_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexShardsTemplate.html" > faiss::IndexShardsTemplate< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexShards_8h_source.html#l00020" > IndexShards.h:20< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_a40e91caa9232a597c16fc946d0befd9b" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b" > faiss::AutoTuneCriterion::gt_D< / a > < / div > < div class = "ttdeci" > std::vector< float > gt_D< / div > < div class = "ttdoc" > Ground-truth distances (size nq * gt_nnn) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00032" > AutoTune.h:32< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > faiss::IndexIVFScalarQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexScalarQuantizer_8h_source.html#l00141" > IndexScalarQuantizer.h:141< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a7bb416dbab456bb1ecd9ace433fa5312" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312" > faiss::ParameterSpace::combination_name< / a > < / div > < div class = "ttdeci" > std::string combination_name(size_t cno) const < / div > < div class = "ttdoc" > get string representation of the combination < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00288" > AutoTune.cpp:288< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
< 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 >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1MultiIndexQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1MultiIndexQuantizer.html" > faiss::MultiIndexQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexPQ_8h_source.html#l00135" > IndexPQ.h:135< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_ab7039882ec68aabc6c52cff883f75c28" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#ab7039882ec68aabc6c52cff883f75c28" > faiss::ParameterSpace::update_bounds< / a > < / div > < div class = "ttdeci" > void update_bounds(size_t cno, const OperatingPoint & op, double *upper_bound_perf, double *lower_bound_t) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00583" > AutoTune.cpp:583< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1VectorTransform_html" > < div class = "ttname" > < a href = "structfaiss_1_1VectorTransform.html" > faiss::VectorTransform< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00026" > VectorTransform.h:26< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexPreTransform_html_ae5ec3f184eb211e7d6e204082b52c8c0" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPreTransform.html#ae5ec3f184eb211e7d6e204082b52c8c0" > faiss::IndexPreTransform::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > ! the sub-index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00276" > VectorTransform.h:276< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a9304975f379738eda384385eace8ad76" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a9304975f379738eda384385eace8ad76" > faiss::ParameterSpace::initialize< / a > < / div > < div class = "ttdeci" > virtual void initialize(const Index *index)< / div > < div class = "ttdoc" > initialize with reasonable parameters for the index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00347" > AutoTune.cpp:347< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a7a9f2292c4e0ac3aad569434edea87b0" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0" > faiss::ParameterSpace::verbose< / a > < / div > < div class = "ttdeci" > int verbose< / div > < div class = "ttdoc" > verbosity during exploration < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00139" > AutoTune.h:139< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexHNSWPQ_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexHNSWPQ.html" > faiss::IndexHNSWPQ< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexHNSW_8h_source.html#l00147" > IndexHNSW.h:147< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OperatingPoints_html_a84baddccd8b803dee460739f8bcbc0c9" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoints.html#a84baddccd8b803dee460739f8bcbc0c9" > faiss::OperatingPoints::merge_with< / a > < / div > < div class = "ttdeci" > int merge_with(const OperatingPoints & other, const std::string & prefix=" " )< / div > < div class = "ttdoc" > add operating points from other to this, with a prefix to the keys < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00168" > AutoTune.cpp:168< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexHNSW_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexHNSW.html" > faiss::IndexHNSW< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexHNSW_8h_source.html#l00069" > IndexHNSW.h:69< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_ac630c153ffd12f9994452c92fe57dc17" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17" > faiss::ParameterSpace::set_index_parameter< / a > < / div > < div class = "ttdeci" > virtual void set_index_parameter(Index *index, const std::string & name, double val) const < / div > < div class = "ttdoc" > set one of the parameters < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00455" > AutoTune.cpp:455< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a488329e3c1f08b9980d8e0f9c1491c75" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a488329e3c1f08b9980d8e0f9c1491c75" > faiss::ParameterSpace::n_combinations< / a > < / div > < div class = "ttdeci" > size_t n_combinations() const < / div > < div class = "ttdoc" > nb of combinations, = product of values sizes < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00279" > AutoTune.cpp:279< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a8e18f641854b2bde83ecff0a2f9a6f4e" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > faiss::Index::metric_type< / a > < / div > < div class = "ttdeci" > MetricType metric_type< / div > < div class = "ttdoc" > type of metric this index uses for search < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00074" > Index.h:74< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a55783994cee46e9181bad2b3a7a973f4" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4" > faiss::ParameterSpace::set_index_parameters< / a > < / div > < div class = "ttdeci" > void set_index_parameters(Index *index, size_t cno) const < / div > < div class = "ttdoc" > set a combination of parameters on an index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00422" > AutoTune.cpp:422< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexHNSWFlat_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexHNSWFlat.html" > faiss::IndexHNSWFlat< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexHNSW_8h_source.html#l00137" > IndexHNSW.h:137< / a > < / div > < / div >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952ea1650389e3efa052ff60177d502328a2c" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952ea1650389e3efa052ff60177d502328a2c" > faiss::ScalarQuantizer::QT_8bit< / a > < / div > < div class = "ttdoc" > 8 bits per component < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexScalarQuantizer_8h_source.html#l00035" > IndexScalarQuantizer.h:35< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< 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_1IndexPQ_html_a4fa05430935a02b62b7c15c9840c42fea00f77a4f8209c30c3ef37ccfd3d0c10a" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPQ.html#a4fa05430935a02b62b7c15c9840c42fea00f77a4f8209c30c3ef37ccfd3d0c10a" > faiss::IndexPQ::ST_PQ< / a > < / div > < div class = "ttdoc" > asymmetric product quantizer (default) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexPQ_8h_source.html#l00076" > IndexPQ.h:76< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_aa4bb1f0008689903aa936baee61d09d0" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#aa4bb1f0008689903aa936baee61d09d0" > faiss::ParameterSpace::display< / a > < / div > < div class = "ttdeci" > void display() const < / div > < div class = "ttdoc" > print a description on stdout < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00565" > AutoTune.cpp:565< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexPQ_html_a4fa05430935a02b62b7c15c9840c42feaf06a0e6b53f9cbe1c791c6912169b738" > < div class = "ttname" > < a href = "structfaiss_1_1IndexPQ.html#a4fa05430935a02b62b7c15c9840c42feaf06a0e6b53f9cbe1c791c6912169b738" > faiss::IndexPQ::ST_polysemous< / a > < / div > < div class = "ttdoc" > HE filter (using ht) + PQ combination. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexPQ_8h_source.html#l00080" > IndexPQ.h:80< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ProductQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1ProductQuantizer.html" > faiss::ProductQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "ProductQuantizer_8h_source.html#l00023" > ProductQuantizer.h:23< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1NormalizationTransform_html" > < div class = "ttname" > < a href = "structfaiss_1_1NormalizationTransform.html" > faiss::NormalizationTransform< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "VectorTransform_8h_source.html#l00236" > VectorTransform.h:236< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a7cdedaf4bab33293771c4267d453a950" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a7cdedaf4bab33293771c4267d453a950" > faiss::ParameterSpace::combination_ge< / a > < / div > < div class = "ttdeci" > bool combination_ge(size_t c1, size_t c2) const < / div > < div class = "ttdoc" > returns whether combinations c1 & gt;= c2 in the tuple sense < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00303" > AutoTune.cpp:303< / a > < / div > < / div >
< div class = "ttc" id = "classfaiss_1_1IndexReplicasTemplate_html" > < div class = "ttname" > < a href = "classfaiss_1_1IndexReplicasTemplate.html" > faiss::IndexReplicasTemplate< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexReplicas_8h_source.html#l00021" > IndexReplicas.h:21< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ClusteringParameters_html_ad997fb511f574f7ddc69938c21612f8d" > < div class = "ttname" > < a href = "structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d" > faiss::ClusteringParameters::spherical< / a > < / div > < div class = "ttdeci" > bool spherical< / div > < div class = "ttdoc" > do we want normalized centroids? < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Clustering_8h_source.html#l00027" > Clustering.h:27< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Level1Quantizer_html_ab688c629cd42122d73517078b87f483d" > < div class = "ttname" > < a href = "structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d" > faiss::Level1Quantizer::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > whether object owns the quantizer < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00041" > IndexIVF.h:41< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterRange_html" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterRange.html" > faiss::ParameterRange< / a > < / div > < div class = "ttdoc" > possible values of a parameter, sorted from least to most expensive/accurate < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00125" > AutoTune.h:125< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "namespacefaiss_html_a0c95ec47726f2ce3fb668dcb1f9a3317" > < div class = "ttname" > < a href = "namespacefaiss.html#a0c95ec47726f2ce3fb668dcb1f9a3317" > faiss::index_factory< / a > < / div > < div class = "ttdeci" > Index * index_factory(int d, const char *description_in, MetricType metric)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8cpp_source.html#l00741" > AutoTune.cpp:741< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ParameterSpace_html_a76aeae25b3269fb24a26194fbe013b86" > < div class = "ttname" > < a href = "structfaiss_1_1ParameterSpace.html#a76aeae25b3269fb24a26194fbe013b86" > faiss::ParameterSpace::n_experiments< / a > < / div > < div class = "ttdeci" > int n_experiments< / div > < div class = "ttdoc" > nb of experiments during optimization (0 = try all combinations) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00142" > AutoTune.h:142< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1AutoTuneCriterion_html_af915fc4df215e3c8d9f71ff42d526144" > < div class = "ttname" > < a href = "structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144" > faiss::AutoTuneCriterion::gt_I< / a > < / div > < div class = "ttdeci" > std::vector< idx_t > gt_I< / div > < div class = "ttdoc" > Ground-truth indexes (size nq * gt_nnn) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00033" > AutoTune.h:33< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1OperatingPoint_html_a886492ffe2b337539fadc798c8f4a6a8" > < div class = "ttname" > < a href = "structfaiss_1_1OperatingPoint.html#a886492ffe2b337539fadc798c8f4a6a8" > faiss::OperatingPoint::t< / a > < / div > < div class = "ttdeci" > double t< / div > < div class = "ttdoc" > corresponding execution time (ms) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AutoTune_8h_source.html#l00088" > AutoTune.h:88< / a > < / div > < / div >
2019-05-28 22:17:22 +08:00
< div class = "ttc" id = "namespacefaiss_html_afd12191c638da74760ff397cf319752c" > < div class = "ttname" > < a href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > < / div > < div class = "ttdeci" > MetricType< / div > < div class = "ttdoc" > Some algorithms support both an inner product version and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00044" > Index.h:44< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFFlatDedup_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFFlatDedup.html" > faiss::IndexIVFFlatDedup< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFFlat_8h_source.html#l00062" > IndexIVFFlat.h:62< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIDMap_html_affa8a764304410c96489c2b2e178bcdb" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIDMap.html#affa8a764304410c96489c2b2e178bcdb" > faiss::IndexIDMap::own_fields< / a > < / div > < div class = "ttdeci" > bool own_fields< / div > < div class = "ttdoc" > ! the sub-index < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "MetaIndexes_8h_source.html#l00024" > MetaIndexes.h:24< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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