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2017-02-23 06:26:44 +08:00
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2017-03-21 01:33:21 +08:00
< div class = "title" > /data/users/matthijs/github_faiss/faiss/AuxIndexStructures.cpp< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > /**< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) 2015-present, Facebook, Inc.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > * All rights reserved.< / span > < / div >
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< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * This source code is licensed under the CC-by-NC license found in the< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "comment" > // Copyright 2004-present Facebook. All Rights Reserved< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "comment" > // -*- c++ -*-< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " AuxIndexStructures.h" < / 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 < cstring> < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / 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 >   < span class = "comment" > /***********************************************************************< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > * RangeSearchResult< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > ***********************************************************************/< / 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" > < a class = "line" href = "structfaiss_1_1RangeSearchResult.html#a46e9fa31c3e232249cef508f357d856c" > 23< / a > < / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a46e9fa31c3e232249cef508f357d856c" > RangeSearchResult::RangeSearchResult< / a > (< span class = "keywordtype" > size_t< / span > nq): nq (nq) {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > = < span class = "keyword" > new< / span > < span class = "keywordtype" > size_t< / span > [nq + 1];< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   memset (< a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > , 0, < span class = "keyword" > sizeof< / span > (*< a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > ) * (nq + 1));< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aa8ff848474a4cc16c5464cc4ec187824" > labels< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a944a93aecc7b51d8f9f35444280aa919" > distances< / a > = < span class = "keyword" > nullptr< / span > ;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a39342ad2e9ad8b90f6e95dafd3287f49" > buffer_size< / a > = 1024 * 256;< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   }< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > /// called when lims contains the nb of elements result entries< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > /// for each query< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1RangeSearchResult.html#a34c4ba599c0cec45972af19e1f98f22a" > 33< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a34c4ba599c0cec45972af19e1f98f22a" > RangeSearchResult::do_allocation< / a > () {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keywordtype" > size_t< / span > ofs = 0;< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a29269b98c33af874d379ca4f62408b90" > nq< / a > ; i++) {< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keywordtype" > size_t< / span > n = < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [i];< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [i] = ofs;< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   ofs += n;< / div >
< 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 >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [< a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a29269b98c33af874d379ca4f62408b90" > nq< / a > ] = ofs;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aa8ff848474a4cc16c5464cc4ec187824" > labels< / a > = < span class = "keyword" > new< / span > idx_t [ofs];< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a944a93aecc7b51d8f9f35444280aa919" > distances< / a > = < span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [ofs];< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   }< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   RangeSearchResult::~RangeSearchResult () {< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keyword" > delete< / span > [] < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aa8ff848474a4cc16c5464cc4ec187824" > labels< / a > ;< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keyword" > delete< / span > [] < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a944a93aecc7b51d8f9f35444280aa919" > distances< / a > ;< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > delete< / span > [] < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > ;< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   }< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > /***********************************************************************< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > * BufferList< / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "comment" > ***********************************************************************/< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < / div >
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< 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 >   BufferList::BufferList (< span class = "keywordtype" > size_t< / span > buffer_size):< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   buffer_size (buffer_size)< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   wp = < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a39342ad2e9ad8b90f6e95dafd3287f49" > buffer_size< / a > ;< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   }< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   BufferList::~BufferList ()< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   {< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < buffers.size(); i++) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keyword" > delete< / span > [] buffers[i].ids;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keyword" > delete< / span > [] buffers[i].dis;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   }< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
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< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
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< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordtype" > void< / span > BufferList::append_buffer ()< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   Buffer buf = {< span class = "keyword" > new< / span > idx_t [buffer_size], < span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [buffer_size]};< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   buffers.push_back (buf);< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < a class = "code" href = "structfaiss_1_1BufferList.html#af4d7ddcd77f328a12a7da89d8febe5d9" > wp< / a > = 0;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   }< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > /// copy elemnts ofs:ofs+n-1 seen as linear data in the buffers to< / span > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "comment" > /// tables dest_ids, dest_dis< / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1BufferList.html#a78b70417a9ba5b27553b3134f1190958" > 81< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1BufferList.html#a78b70417a9ba5b27553b3134f1190958" > BufferList::copy_range< / a > (< span class = "keywordtype" > size_t< / span > ofs, < span class = "keywordtype" > size_t< / span > n,< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   idx_t * dest_ids, < span class = "keywordtype" > float< / span > *dest_dis)< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   {< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordtype" > size_t< / span > bno = ofs / buffer_size;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   ofs -= bno * buffer_size;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordflow" > while< / span > (n > 0) {< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordtype" > size_t< / span > ncopy = ofs + n < buffer_size ? n : buffer_size - ofs;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < a class = "code" href = "structfaiss_1_1BufferList_1_1Buffer.html" > Buffer< / a > buf = buffers [bno];< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   memcpy (dest_ids, buf.ids + ofs, ncopy * < span class = "keyword" > sizeof< / span > (*dest_ids));< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   memcpy (dest_dis, buf.dis + ofs, ncopy * < span class = "keyword" > sizeof< / span > (*dest_dis));< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   dest_ids += ncopy;< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   dest_dis += ncopy;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   ofs = 0;< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   bno ++;< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   n -= ncopy;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > /***********************************************************************< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > * RangeSearchPartialResult< / 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 >   < / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   RangeSearchPartialResult::RangeSearchPartialResult (< a class = "code" href = "structfaiss_1_1RangeSearchResult.html" > RangeSearchResult< / a > * res_in):< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < a class = "code" href = "structfaiss_1_1BufferList.html" > BufferList< / a > (res_in-> buffer_size),< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   res(res_in)< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   {}< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > /// begin a new result< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > < / span > RangeSearchPartialResult::QueryResult & < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1RangeSearchPartialResult.html#a954c26beebb561a6c2b0f399c48a9db3" > 113< / a > < / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html#a954c26beebb561a6c2b0f399c48a9db3" > RangeSearchPartialResult::new_result< / a > (idx_t qno)< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html" > QueryResult< / a > qres = {qno, 0, < span class = "keyword" > this< / span > };< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   queries.push_back (qres);< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > return< / span > queries.back();< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordtype" > void< / span > RangeSearchPartialResult::finalize ()< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   {< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html#ab6a385008493c7b630e4e7bc56e3da74" > set_lims< / a > ();< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "preprocessor" > #pragma omp barrier< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "preprocessor" > #pragma omp single< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "preprocessor" > < / span > res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a34c4ba599c0cec45972af19e1f98f22a" > do_allocation< / a > ();< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "preprocessor" > #pragma omp barrier< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "preprocessor" > < / span > < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html#aa6639358995ac081f8a931a7790d0caf" > set_result< / a > ();< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   }< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "comment" > /// called by range_search before do_allocation< / span > < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1RangeSearchPartialResult.html#ab6a385008493c7b630e4e7bc56e3da74" > 135< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html#ab6a385008493c7b630e4e7bc56e3da74" > RangeSearchPartialResult::set_lims< / a > ()< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < queries.size(); i++) {< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html" > QueryResult< / a > & qres = queries[i];< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [qres.qno] = qres.nres;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   }< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   }< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > /// called by range_search after do_allocation< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1RangeSearchPartialResult.html#aa6639358995ac081f8a931a7790d0caf" > 144< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult.html#aa6639358995ac081f8a931a7790d0caf" > RangeSearchPartialResult::set_result< / a > (< span class = "keywordtype" > bool< / span > incremental)< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   {< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordtype" > size_t< / span > ofs = 0;< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < queries.size(); i++) {< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < a class = "code" href = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html" > QueryResult< / a > & qres = queries[i];< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < a class = "code" href = "structfaiss_1_1BufferList.html#a78b70417a9ba5b27553b3134f1190958" > copy_range< / a > (ofs, qres.nres,< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aa8ff848474a4cc16c5464cc4ec187824" > labels< / a > + res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [qres.qno],< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#a944a93aecc7b51d8f9f35444280aa919" > distances< / a > + res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [qres.qno]);< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > if< / span > (incremental) {< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   res-> < a class = "code" href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > lims< / a > [qres.qno] += qres.nres;< / 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 >   ofs += qres.nres;< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   }< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   }< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < / div >
2017-02-23 06:26:44 +08:00
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "comment" > /***********************************************************************< / span > < / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "comment" > * IDSelectorRange< / span > < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "comment" > ***********************************************************************/< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   IDSelectorRange::IDSelectorRange (idx_t imin, idx_t imax):< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   imin (imin), imax (imax)< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   {< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   }< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "keywordtype" > bool< / span > IDSelectorRange::is_member (idx_t < span class = "keywordtype" > id< / span > )< span class = "keyword" > const< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keyword" > < / span > {< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordflow" > return< / span > < span class = "keywordtype" > id< / span > > = imin & & < span class = "keywordtype" > id< / span > < imax;< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   }< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > /***********************************************************************< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > * IDSelectorBatch< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > ***********************************************************************/< / span > < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   IDSelectorBatch::IDSelectorBatch (< span class = "keywordtype" > long< / span > n, < span class = "keyword" > const< / span > idx_t *indices)< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   {< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   nbits = 0;< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keywordflow" > while< / span > (n > (1L < < nbits)) nbits++;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   nbits += 5;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "comment" > // for n = 1M, nbits = 25 is optimal, see P56659518< / span > < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   mask = (1L < < nbits) - 1;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   bloom.resize (1UL < < (nbits - 3), 0);< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > long< / span > i = 0; i < n; i++) {< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "keywordtype" > long< / span > < span class = "keywordtype" > id< / span > = indices[i];< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   set.insert(< span class = "keywordtype" > id< / span > );< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordtype" > id< / span > & = mask;< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   bloom[< span class = "keywordtype" > id< / span > > > 3] |= 1 < < (< span class = "keywordtype" > id< / span > & 7);< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   }< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   }< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordtype" > bool< / span > IDSelectorBatch::is_member (idx_t i)< 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 >   < span class = "keywordtype" > long< / span > im = i & mask;< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordflow" > if< / span > (!(bloom[im> > 3] & (1 < < (im & 7)))) {< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   }< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > return< / span > set.count(i);< / 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 >   < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   }< / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_a29269b98c33af874d379ca4f62408b90" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#a29269b98c33af874d379ca4f62408b90" > faiss::RangeSearchResult::nq< / a > < / div > < div class = "ttdeci" > size_t nq< / div > < div class = "ttdoc" > nb of queries < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00030" > AuxIndexStructures.h:30< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult_html" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult_1_1QueryResult.html" > faiss::RangeSearchPartialResult::QueryResult< / a > < / div > < div class = "ttdoc" > result structure for a single query < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00145" > AuxIndexStructures.h:145< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1BufferList_html_a78b70417a9ba5b27553b3134f1190958" > < div class = "ttname" > < a href = "structfaiss_1_1BufferList.html#a78b70417a9ba5b27553b3134f1190958" > faiss::BufferList::copy_range< / a > < / div > < div class = "ttdeci" > void copy_range(size_t ofs, size_t n, idx_t *dest_ids, float *dest_dis)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00081" > AuxIndexStructures.cpp:81< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_html_aa6639358995ac081f8a931a7790d0caf" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult.html#aa6639358995ac081f8a931a7790d0caf" > faiss::RangeSearchPartialResult::set_result< / a > < / div > < div class = "ttdeci" > void set_result(bool incremental=false)< / div > < div class = "ttdoc" > called by range_search after do_allocation < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00144" > AuxIndexStructures.cpp:144< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_html_ab6a385008493c7b630e4e7bc56e3da74" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult.html#ab6a385008493c7b630e4e7bc56e3da74" > faiss::RangeSearchPartialResult::set_lims< / a > < / div > < div class = "ttdeci" > void set_lims()< / div > < div class = "ttdoc" > called by range_search before do_allocation < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00135" > AuxIndexStructures.cpp:135< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1BufferList_html_af4d7ddcd77f328a12a7da89d8febe5d9" > < div class = "ttname" > < a href = "structfaiss_1_1BufferList.html#af4d7ddcd77f328a12a7da89d8febe5d9" > faiss::BufferList::wp< / a > < / div > < div class = "ttdeci" > size_t wp< / div > < div class = "ttdoc" > write pointer in the last buffer. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00109" > AuxIndexStructures.h:109< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_a46e9fa31c3e232249cef508f357d856c" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#a46e9fa31c3e232249cef508f357d856c" > faiss::RangeSearchResult::RangeSearchResult< / a > < / div > < div class = "ttdeci" > RangeSearchResult(size_t nq)< / div > < div class = "ttdoc" > lims must be allocated on input to range_search. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00023" > AuxIndexStructures.cpp:23< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_a944a93aecc7b51d8f9f35444280aa919" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#a944a93aecc7b51d8f9f35444280aa919" > faiss::RangeSearchResult::distances< / a > < / div > < div class = "ttdeci" > float * distances< / div > < div class = "ttdoc" > corresponding distances (not sorted) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00036" > AuxIndexStructures.h:36< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchPartialResult_html_a954c26beebb561a6c2b0f399c48a9db3" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchPartialResult.html#a954c26beebb561a6c2b0f399c48a9db3" > faiss::RangeSearchPartialResult::new_result< / a > < / div > < div class = "ttdeci" > QueryResult & new_result(idx_t qno)< / div > < div class = "ttdoc" > begin a new result < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00113" > AuxIndexStructures.cpp:113< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_a34c4ba599c0cec45972af19e1f98f22a" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#a34c4ba599c0cec45972af19e1f98f22a" > faiss::RangeSearchResult::do_allocation< / a > < / div > < div class = "ttdeci" > virtual void do_allocation()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8cpp_source.html#l00033" > AuxIndexStructures.cpp:33< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html" > faiss::RangeSearchResult< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00029" > AuxIndexStructures.h:29< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1BufferList_1_1Buffer_html" > < div class = "ttname" > < a href = "structfaiss_1_1BufferList_1_1Buffer.html" > faiss::BufferList::Buffer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00103" > AuxIndexStructures.h:103< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_a39342ad2e9ad8b90f6e95dafd3287f49" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#a39342ad2e9ad8b90f6e95dafd3287f49" > faiss::RangeSearchResult::buffer_size< / a > < / div > < div class = "ttdeci" > size_t buffer_size< / div > < div class = "ttdoc" > size of the result buffers used < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00038" > AuxIndexStructures.h:38< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_aef57f9db99ca470c01bcdce0366cb6ff" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#aef57f9db99ca470c01bcdce0366cb6ff" > faiss::RangeSearchResult::lims< / a > < / div > < div class = "ttdeci" > size_t * lims< / div > < div class = "ttdoc" > size (nq + 1) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00031" > AuxIndexStructures.h:31< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1BufferList_html" > < div class = "ttname" > < a href = "structfaiss_1_1BufferList.html" > faiss::BufferList< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00097" > AuxIndexStructures.h:97< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1RangeSearchResult_html_aa8ff848474a4cc16c5464cc4ec187824" > < div class = "ttname" > < a href = "structfaiss_1_1RangeSearchResult.html#aa8ff848474a4cc16c5464cc4ec187824" > faiss::RangeSearchResult::labels< / a > < / div > < div class = "ttdeci" > idx_t * labels< / div > < div class = "ttdoc" > result for query i is labels[lims[i]:lims[i+1]] < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "AuxIndexStructures_8h_source.html#l00035" > AuxIndexStructures.h:35< / a > < / div > < / div >
2017-02-23 06:26:44 +08:00
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