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0df3f646fc
various bugfixes from github issues kmean with some frozen centroids GPU better tiling for large flat datasets default AVX for vector ops
1043 lines
178 KiB
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1043 lines
178 KiB
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<div class="title">/data/users/matthijs/github_faiss/faiss/AutoTune.cpp</div> </div>
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</div><!--header-->
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<div class="contents">
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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) 2015-present, Facebook, Inc.</span></div>
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<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="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</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 BSD+Patents license found in the</span></div>
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<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>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">/* Copyright 2004-present Facebook. All Rights Reserved.</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> implementation of Hyper-parameter auto-tuning</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">*/</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "AutoTune.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "FaissAssert.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "utils.h"</span></div>
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<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> <span class="preprocessor">#include "IndexFlat.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "VectorTransform.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "IndexLSH.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "IndexPQ.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "IndexIVF.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "IndexIVFPQ.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "MetaIndexes.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "IndexScalarQuantizer.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="namespacefaiss.html"> 28</a></span> <span class="keyword">namespace </span>faiss {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> AutoTuneCriterion::AutoTuneCriterion (idx_t nq, idx_t nnn):</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  nq (nq), nnn (nnn), gt_nnn (0)</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> {}</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structfaiss_1_1AutoTuneCriterion.html#a174f0de8e6fd01905f5fa2170f5039d8"> 36</a></span> <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a174f0de8e6fd01905f5fa2170f5039d8">AutoTuneCriterion::set_groundtruth</a> (</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</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>
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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>  this->gt_nnn = <a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4">gt_nnn</a>;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (gt_D_in) { <span class="comment">// allow null for this, as it is often not used</span></div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b">gt_D</a>.resize (nq * gt_nnn);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</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>
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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>  <a class="code" href="structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144">gt_I</a>.resize (nq * gt_nnn);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</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>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> }</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> OneRecallAtRCriterion::OneRecallAtRCriterion (idx_t nq, idx_t R):</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="structfaiss_1_1AutoTuneCriterion.html">AutoTuneCriterion</a>(nq, R), R(R)</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {}</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">double</span> OneRecallAtRCriterion::evaluate(<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>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  FAISS_THROW_IF_NOT_MSG(</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</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>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="stringliteral">"ground truth not initialized"</span>);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  idx_t n_ok = 0;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">for</span> (idx_t q = 0; q < <a class="code" href="structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b">nq</a>; q++) {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</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>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> idx_t* I_line = I + q * <a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < R; i++) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (I_line[i] == gt_nn) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  n_ok++;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
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<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>  <span class="keywordflow">return</span> n_ok / double(nq);</div>
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<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> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> IntersectionCriterion::IntersectionCriterion (idx_t nq, idx_t R):</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  AutoTuneCriterion(nq, R), R(R)</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> {}</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">double</span> IntersectionCriterion::evaluate(<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>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  FAISS_THROW_IF_NOT_MSG(</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</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>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="stringliteral">"ground truth not initialized"</span>);</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">long</span> n_ok = 0;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#pragma omp parallel for reduction(+: n_ok)</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</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>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  n_ok += <a class="code" href="namespacefaiss.html#a8dbc652ba48d41f126b8815004899448">ranklist_intersection_size</a> (</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  R, &<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>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  R, I + q * nnn);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> n_ok / double (nq * R);</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/***************************************************************</span></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * OperatingPoints</span></div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> ***************************************************************/</span></div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> OperatingPoints::OperatingPoints ()</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679">clear</a>();</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679"> 102</a></span> <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1OperatingPoints.html#a1702eeb680ce73ca8c1fd071955f0679">OperatingPoints::clear</a> ()</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3">all_pts</a>.clear();</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31">optimal_pts</a>.clear();<span class="comment"></span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> /// default point: doing nothing gives 0 performance and takes 0 time</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"></span> <a class="code" href="structfaiss_1_1OperatingPoint.html">OperatingPoint</a> op = {0, 0, <span class="stringliteral">""</span>, -1};</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31">optimal_pts</a>.push_back(op);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">/// add a performance measure</span></div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structfaiss_1_1OperatingPoints.html#a7afabe0576800255eeec680486cb30df"> 112</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>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">size_t</span> cno)</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="structfaiss_1_1OperatingPoint.html">OperatingPoint</a> op = {perf, t, key, long(cno)};</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="structfaiss_1_1OperatingPoints.html#a48f457047b0511ecc531f250ef8b19c3">all_pts</a>.push_back (op);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (perf == 0) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</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>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::vector<OperatingPoint> & a = <a class="code" href="structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31">optimal_pts</a>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (perf > a.back().perf) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// keep unconditionally</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  a.push_back (op);</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (perf == a.back().perf) {</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (t < a.back ().t) {</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  a.back() = op;</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> i;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// stricto sensu this should be a bissection</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">for</span> (i = 0; i < a.size(); i++) {</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (a[i].perf >= perf) <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  assert (i < a.size());</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (t < a[i].t) {</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (a[i].perf == perf) {</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  a[i] = op;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  a.insert (a.begin() + i, op);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  { <span class="comment">// remove non-optimal points from array</span></div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">int</span> i = a.size() - 1;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">while</span> (i > 0) {</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (a[i].t < a[i - 1].t)</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  a.erase (a.begin() + (i - 1));</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  i--;</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> }</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="structfaiss_1_1OperatingPoints.html#a84baddccd8b803dee460739f8bcbc0c9"> 159</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>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> std::string & prefix)</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> {</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">int</span> n_add = 0;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</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>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</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>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</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>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  n_add++;</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> n_add;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> }</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"></span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">/// get time required to obtain a given performance measure</span></div>
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<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="structfaiss_1_1OperatingPoints.html#a3a0723e0900f7048ac9567341de5ee56"> 174</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>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> std::vector<OperatingPoint> & a = <a class="code" href="structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31">optimal_pts</a>;</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (perf > a.back().perf) <span class="keywordflow">return</span> 1e50;</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">int</span> i0 = -1, i1 = a.size() - 1;</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">while</span> (i0 + 1 < i1) {</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordtype">int</span> imed = (i0 + i1 + 1) / 2;</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (a[imed].perf < perf) i0 = imed;</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">else</span> i1 = imed;</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> a[i1].t;</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
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<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="structfaiss_1_1OperatingPoints.html#a84e6a4d2f595982b9d900c8585424f9b"> 188</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>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  FILE *f = fopen(fname, <span class="stringliteral">"w"</span>);</div>
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|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (!f) {</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  fprintf (stderr, <span class="stringliteral">"cannot open %s"</span>, fname);</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  perror(<span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  abort();</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
|
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</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>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</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>
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|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</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>
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|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  fclose(f);</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> }</div>
|
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<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="keywordtype">void</span> OperatingPoints::optimal_to_gnuplot (<span class="keyword">const</span> <span class="keywordtype">char</span> *fname)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  FILE *f = fopen(fname, <span class="stringliteral">"w"</span>);</div>
|
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (!f) {</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  fprintf (stderr, <span class="stringliteral">"cannot open %s"</span>, fname);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  perror(<span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  abort();</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>  <span class="keywordtype">double</span> prev_perf = 0.0;</div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</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>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> OperatingPoint & op = <a class="code" href="structfaiss_1_1OperatingPoints.html#a2829e78e01cc42c3a341622947663b31">optimal_pts</a>[i];</div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  fprintf (f, <span class="stringliteral">"%g %g\n"</span>, prev_perf, op.t);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</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="l00216"></a><span class="lineno"> 216</span>  prev_perf = op.perf;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  fclose(f);</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> </div>
|
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<div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="structfaiss_1_1OperatingPoints.html#ab146ed35f0c8f0c48983a054337a98e1"> 221</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>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">const</span> std::vector<OperatingPoint> &pts =</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</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>
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|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  printf(<span class="stringliteral">"Tested %ld operating points, %ld ones are optimal:\n"</span>,</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</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>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < pts.size(); i++) {</div>
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<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <a class="code" href="structfaiss_1_1OperatingPoint.html">OperatingPoint</a> & op = pts[i];</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *star = <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (!only_optimal) {</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</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>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</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>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  star = <span class="stringliteral">"*"</span>;</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  printf (<span class="stringliteral">"cno=%ld key=%s perf=%.4f t=%.3f %s\n"</span>,</div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</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>
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<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
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<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">/***************************************************************</span></div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> * ParameterSpace</span></div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> ***************************************************************/</span></div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> </div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> ParameterSpace::ParameterSpace ():</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  verbose (1), n_experiments (500),</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  batchsize (1<<30), thread_over_batches (false)</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> {</div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> }</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment">/* not keeping this constructor as inheritors will call the parent</span></div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> initialize()</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#if 0</span></div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"></span>ParameterSpace::ParameterSpace (Index *index):</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  verbose (1), n_experiments (500),</div>
|
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  batchsize (1<<30), thread_over_batches (false)</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> {</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  initialize(index);</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> }</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00268"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#a488329e3c1f08b9980d8e0f9c1491c75"> 268</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>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordtype">size_t</span> n = 1;</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</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>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  n *= <a class="code" href="structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb">parameter_ranges</a>[i].values.size();</div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> n;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"></span></div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment">/// get string representation of the combination</span></div>
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<div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312"> 277</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>
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<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">char</span> buf[1000], *wp = buf;</div>
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<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  *wp = 0;</div>
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<div class="line"><a name="l00280"></a><span class="lineno"> 280</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>
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</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>
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<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">size_t</span> j = cno % pr.values.size();</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  cno /= pr.values.size();</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  wp += snprintf (</div>
|
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<div class="line"><a name="l00285"></a><span class="lineno"> 285</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="l00286"></a><span class="lineno"> 286</span>  pr.name.c_str(), pr.values[j]);</div>
|
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">return</span> std::string (buf);</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> }</div>
|
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<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div>
|
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
|
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<div class="line"><a name="l00292"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#a7cdedaf4bab33293771c4267d453a950"> 292</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="l00293"></a><span class="lineno"> 293</span> <span class="keyword"></span>{</div>
|
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</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>
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<div class="line"><a name="l00295"></a><span class="lineno"> 295</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="l00296"></a><span class="lineno"> 296</span>  <span class="keywordtype">size_t</span> j1 = c1 % nval;</div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">size_t</span> j2 = c2 % nval;</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (!(j1 >= j2)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  c1 /= nval;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  c2 /= nval;</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
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<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> }</div>
|
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
|
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> </div>
|
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div>
|
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<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor">#define DC(classname) \</span></div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="preprocessor"> const classname *ix = dynamic_cast<const classname *>(index)</span></div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor"></span></div>
|
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<div class="line"><a name="l00310"></a><span class="lineno"> 310</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>
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<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="structfaiss_1_1ParameterRange.html">ParameterRange</a> & pr)</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> {</div>
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<div class="line"><a name="l00313"></a><span class="lineno"> 313</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="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// Polysemous not supported for code sizes that are not a</span></div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// multiple of 4</span></div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</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="l00317"></a><span class="lineno"> 317</span>  pr.values.push_back(i);</div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  pr.values.push_back (pq.<a class="code" href="structfaiss_1_1ProductQuantizer.html#aa61330eadb84772b71018b093773a5f9">code_size</a> * 8);</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> }</div>
|
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833"> 322</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>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> {</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb">parameter_ranges</a>.push_back (<a class="code" href="structfaiss_1_1ParameterRange.html">ParameterRange</a> ());</div>
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|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb">parameter_ranges</a>.back ().name = name;</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> <a class="code" href="structfaiss_1_1ParameterSpace.html#a334c1bb54bc2b70950a4a63950728cbb">parameter_ranges</a>.back ();</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
|
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"></span></div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment">/// initialize with reasonable parameters for the index</span></div>
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<div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#a9304975f379738eda384385eace8ad76"> 331</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>
|
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> {</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexPreTransform.html">IndexPreTransform</a>)) {</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  index = ix->index;</div>
|
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
|
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexRefineFlat.html">IndexRefineFlat</a>)) {</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</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>
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|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= 6; i++) {</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  pr.values.push_back (1 << i);</div>
|
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  index = ix->base_index;</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexPreTransform.html">IndexPreTransform</a>)) {</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  index = ix->index;</div>
|
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<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div>
|
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexIVF.html">IndexIVF</a>)) {</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  {</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</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="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 13; i++) {</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordtype">size_t</span> nprobe = 1 << i;</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (nprobe >= ix->nlist) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  pr.values.push_back (nprobe);</div>
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|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
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|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexPQ.html">IndexPQ</a>)) {</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</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>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  init_pq_ParameterRange (ix->pq, pr);</div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
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<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexIVFPQ.html">IndexIVFPQ</a>)) {</div>
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<div class="line"><a name="l00362"></a><span class="lineno"> 362</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>
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|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  init_pq_ParameterRange (ix->pq, pr);</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keyword">const</span> <a class="code" href="structfaiss_1_1MultiIndexQuantizer.html">MultiIndexQuantizer</a> *miq =</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</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>
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|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (miq) {</div>
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|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</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>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 8; i < 20; i++) {</div>
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|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  pr_max_codes.values.push_back (1 << i);</div>
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|
<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>  pr_max_codes.values.push_back (1.0 / 0.0);</div>
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|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
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<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
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<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexIVFPQR.html">IndexIVFPQR</a>)) {</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</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>
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|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= 6; i++) {</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  pr.values.push_back (1 << i);</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  }</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> }</div>
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<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="preprocessor">#undef DC</span></div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="preprocessor"></span></div>
|
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment">// non-const version</span></div>
|
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="preprocessor">#define DC(classname) classname *ix = dynamic_cast<classname *>(index)</span></div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="preprocessor"></span></div>
|
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<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="comment"></span></div>
|
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<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="comment">/// set a combination of parameters on an index</span></div>
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|
<div class="line"><a name="l00390"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4"> 390</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>
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<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> </div>
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<div class="line"><a name="l00393"></a><span class="lineno"> 393</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>
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<div class="line"><a name="l00394"></a><span class="lineno"> 394</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="l00395"></a><span class="lineno"> 395</span>  <span class="keywordtype">size_t</span> j = cno % pr.values.size();</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  cno /= pr.values.size();</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordtype">double</span> val = pr.values [j];</div>
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|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17">set_index_parameter</a> (index, pr.name, val);</div>
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|
<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="comment"></span></div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment">/// set a combination of parameters on an index</span></div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#aef1f2af781a71e7f0cf6f67603ef7cc1"> 403</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="l00404"></a><span class="lineno"> 404</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="l00405"></a><span class="lineno"> 405</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordtype">char</span> description[strlen(description_in) + 1];</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordtype">char</span> *ptr;</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  memcpy (description, description_in, strlen(description_in) + 1);</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</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="l00411"></a><span class="lineno"> 411</span>  tok;</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  tok = strtok_r (<span class="keyword">nullptr</span>, <span class="stringliteral">" ,"</span>, &ptr)) {</div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordtype">char</span> name[100];</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordtype">double</span> val;</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordtype">int</span> ret = sscanf (tok, <span class="stringliteral">"%100[^=]=%lf"</span>, name, &val);</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  FAISS_THROW_IF_NOT_FMT (</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  ret == 2, <span class="stringliteral">"could not interpret parameters %s"</span>, tok);</div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17">set_index_parameter</a> (index, name, val);</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> }</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17"> 423</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="l00424"></a><span class="lineno"> 424</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="l00425"></a><span class="lineno"> 425</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span> (<a class="code" href="structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0">verbose</a> > 1)</div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  printf(<span class="stringliteral">" set %s=%g\n"</span>, name.c_str(), val);</div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span> </div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"verbose"</span>) {</div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  index-><a class="code" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a> = int(val);</div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="comment">// and fall through to also enable it on sub-indexes</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="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexPreTransform.html">IndexPreTransform</a>)) {</div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  index = ix->index;</div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexShards.html">IndexShards</a>)) {</div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">// call on all sub-indexes</span></div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span> & shard_index : ix->shard_indexes) {</div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#ac630c153ffd12f9994452c92fe57dc17">set_index_parameter</a> (shard_index, name, val);</div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"verbose"</span>) {</div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  index-><a class="code" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a> = int(val);</div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">// in case it was an IndexPreTransform</span></div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexRefineFlat.html">IndexRefineFlat</a>)) {</div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"k_factor_rf"</span>) {</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  ix->k_factor = int(val);</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span>;</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>  index = ix->base_index;</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>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexPreTransform.html">IndexPreTransform</a>)) {</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  index = ix->index;</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"verbose"</span>) {</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  index-><a class="code" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a> = int(val);</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">return</span>; <span class="comment">// last verbose that we could find</span></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">"nprobe"</span>) {</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">if</span> ( DC(<a class="code" href="structfaiss_1_1IndexIVF.html">IndexIVF</a>)) {</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  ix->nprobe = int(val);</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  }</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"ht"</span>) {</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexPQ.html">IndexPQ</a>)) {</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (val >= ix->pq.code_size * 8) {</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  ix->search_type = <a class="code" href="structfaiss_1_1IndexPQ.html#a4fa05430935a02b62b7c15c9840c42fea00f77a4f8209c30c3ef37ccfd3d0c10a">IndexPQ::ST_PQ</a>;</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  ix->search_type = <a class="code" href="structfaiss_1_1IndexPQ.html#a4fa05430935a02b62b7c15c9840c42feaf06a0e6b53f9cbe1c791c6912169b738">IndexPQ::ST_polysemous</a>;</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  ix->polysemous_ht = int(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>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</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="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (val >= ix->pq.code_size * 8) {</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  ix->polysemous_ht = 0;</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  ix->polysemous_ht = int(val);</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  }</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>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"k_factor"</span>) {</div>
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|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexIVFPQR.html">IndexIVFPQR</a>)) {</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  ix->k_factor = val;</div>
|
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<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div>
|
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<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
|
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<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">if</span> (name == <span class="stringliteral">"max_codes"</span>) {</div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (DC (<a class="code" href="structfaiss_1_1IndexIVFPQ.html">IndexIVFPQ</a>)) {</div>
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<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  ix->max_codes = finite(val) ? size_t(val) : 0;</div>
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<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  }</div>
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<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div>
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<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  FAISS_THROW_FMT (<span class="stringliteral">"ParameterSpace::set_index_parameter:"</span></div>
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|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="stringliteral">"could not set parameter %s"</span>,</div>
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<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  name.c_str());</div>
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<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> }</div>
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<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> </div>
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<div class="line"><a name="l00503"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#aa4bb1f0008689903aa936baee61d09d0"> 503</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>
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<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  printf (<span class="stringliteral">"ParameterSpace, %ld parameters, %ld combinations:\n"</span>,</div>
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<div class="line"><a name="l00506"></a><span class="lineno"> 506</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>
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<div class="line"><a name="l00507"></a><span class="lineno"> 507</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>
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<div class="line"><a name="l00508"></a><span class="lineno"> 508</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>
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|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  printf (<span class="stringliteral">" %s: "</span>, pr.name.c_str ());</div>
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<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordtype">char</span> sep = <span class="charliteral">'['</span>;</div>
|
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<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < pr.values.size(); j++) {</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  printf (<span class="stringliteral">"%c %g"</span>, sep, pr.values [j]);</div>
|
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<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  sep = <span class="charliteral">','</span>;</div>
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<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div>
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<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  printf (<span class="stringliteral">"]\n"</span>);</div>
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<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
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<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> }</div>
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<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div>
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<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div>
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<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div>
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<div class="line"><a name="l00521"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#ab7039882ec68aabc6c52cff883f75c28"> 521</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>
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<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordtype">double</span> *upper_bound_perf,</div>
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<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordtype">double</span> *lower_bound_t)<span class="keyword"> const</span></div>
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<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00525"></a><span class="lineno"> 525</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>
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<div class="line"><a name="l00526"></a><span class="lineno"> 526</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>
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|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  }</div>
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|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</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="l00529"></a><span class="lineno"> 529</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="l00530"></a><span class="lineno"> 530</span>  }</div>
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|
<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> </div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> </div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"><a class="line" href="structfaiss_1_1ParameterSpace.html#a57728d29c4785d9003b9cd564d0c51b2"> 535</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>
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|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordtype">size_t</span> nq, <span class="keyword">const</span> <span class="keywordtype">float</span> *xq,</div>
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|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keyword">const</span> <a class="code" href="structfaiss_1_1AutoTuneCriterion.html">AutoTuneCriterion</a> & crit,</div>
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|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <a class="code" href="structfaiss_1_1OperatingPoints.html">OperatingPoints</a> * ops)<span class="keyword"> const</span></div>
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|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</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="l00541"></a><span class="lineno"> 541</span>  <span class="stringliteral">"criterion does not have the same nb of queries"</span>);</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> </div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</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="l00544"></a><span class="lineno"> 544</span> </div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</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="l00546"></a><span class="lineno"> 546</span> </div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> cno = 0; cno < n_comb; cno++) {</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4">set_index_parameters</a> (index, cno);</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</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="l00550"></a><span class="lineno"> 550</span>  std::vector<float> D(nq * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>);</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span> </div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordtype">double</span> t0 = <a class="code" href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">getmillisecs</a> ();</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</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="l00554"></a><span class="lineno"> 554</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="l00555"></a><span class="lineno"> 555</span> </div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</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="l00557"></a><span class="lineno"> 557</span> </div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</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="l00559"></a><span class="lineno"> 559</span> </div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">if</span> (<a class="code" href="structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0">verbose</a>)</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</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="l00562"></a><span class="lineno"> 562</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="l00563"></a><span class="lineno"> 563</span>  keep ? <span class="stringliteral">"*"</span> : <span class="stringliteral">""</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"> 565</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  }</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> </div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</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="l00569"></a><span class="lineno"> 569</span> </div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">if</span> (n_exp > n_comb) n_exp = n_comb;</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  FAISS_THROW_IF_NOT (n_comb == 1 || n_exp > 2);</div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  std::vector<int> perm (n_comb);</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="comment">// make sure the slowest and fastest experiment are run</span></div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  perm[0] = 0;</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordflow">if</span> (n_comb > 1) {</div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  perm[1] = n_comb - 1;</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  rand_perm (&perm[2], n_comb - 2, 1234);</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</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="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>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> xp = 0; xp < n_exp; xp++) {</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordtype">size_t</span> cno = perm[xp];</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> </div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="keywordflow">if</span> (<a class="code" href="structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0">verbose</a>)</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  printf(<span class="stringliteral">" %ld/%d: cno=%ld %s "</span>, xp, n_exp, cno,</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#a7bb416dbab456bb1ecd9ace433fa5312">combination_name</a> (cno).c_str());</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> </div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  {</div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordtype">double</span> lower_bound_t = 0.0;</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordtype">double</span> upper_bound_perf = 1.0;</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</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="l00592"></a><span class="lineno"> 592</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="l00593"></a><span class="lineno"> 593</span>  &upper_bound_perf, &lower_bound_t);</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  }</div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</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="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">if</span> (<a class="code" href="structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0">verbose</a>)</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  printf (<span class="stringliteral">"bounds [perf<=%.3f t>=%.3f] %s"</span>,</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  upper_bound_perf, lower_bound_t,</div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  best_t <= lower_bound_t ? <span class="stringliteral">"skip\n"</span> : <span class="stringliteral">""</span>);</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (best_t <= lower_bound_t) <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  }</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <a class="code" href="structfaiss_1_1ParameterSpace.html#a55783994cee46e9181bad2b3a7a973f4">set_index_parameters</a> (index, cno);</div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  std::vector<Index::idx_t> I(nq * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>);</div>
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<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  std::vector<float> D(nq * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>);</div>
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<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> </div>
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<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordtype">double</span> t0 = <a class="code" href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">getmillisecs</a> ();</div>
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|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div>
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<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">if</span> (<a class="code" href="structfaiss_1_1ParameterSpace.html#af6dc3b9c5631b509cbae99bf0f24170b">thread_over_batches</a>) {</div>
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|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="preprocessor">#pragma omp parallel for</span></div>
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<div class="line"><a name="l00611"></a><span class="lineno"> 611</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="l00612"></a><span class="lineno"> 612</span>  <span class="keywordtype">size_t</span> q1 = q0 + <a class="code" href="structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767">batchsize</a>;</div>
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|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">if</span> (q1 > nq) q1 = nq;</div>
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|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</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="l00615"></a><span class="lineno"> 615</span>  crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>,</div>
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|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  D.data() + q0 * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>,</div>
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|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  I.data() + q0 * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>);</div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  }</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</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="l00621"></a><span class="lineno"> 621</span>  <span class="keywordtype">size_t</span> q1 = q0 + <a class="code" href="structfaiss_1_1ParameterSpace.html#aee8fd44e15656ba80fe98de4c65ed767">batchsize</a>;</div>
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|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">if</span> (q1 > nq) q1 = nq;</div>
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|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</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>
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|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>,</div>
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|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  D.data() + q0 * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>,</div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  I.data() + q0 * crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>);</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</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>
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|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordtype">double</span> t_search = (<a class="code" href="namespacefaiss.html#af2a71f7d5402ae02ce169a4cc83020eb">getmillisecs</a>() - t0) / 1e3;</div>
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|
<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="keywordtype">double</span> perf = crit.<a class="code" href="structfaiss_1_1AutoTuneCriterion.html#a9084449e216b331c5f753a10c6de6a47">evaluate</a> (D.data(), I.data());</div>
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|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> </div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</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>
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|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> </div>
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|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">if</span> (<a class="code" href="structfaiss_1_1ParameterSpace.html#a7a9f2292c4e0ac3aad569434edea87b0">verbose</a>)</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  printf(<span class="stringliteral">" perf %.3f t %.3f %s\n"</span>, perf, t_search,</div>
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|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  keep ? <span class="stringliteral">"*"</span> : <span class="stringliteral">""</span>);</div>
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|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  }</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> }</div>
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|
<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> <span class="comment">/***************************************************************</span></div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="comment"> * index_factory</span></div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> <span class="comment"> ***************************************************************/</span></div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span> </div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span> <span class="keyword">struct </span>VTChain {</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  std::vector<VectorTransform *> chain;</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  ~VTChain () {</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < chain.size(); i++) {</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keyword">delete</span> chain[i];</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  }</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span> };</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="comment"></span></div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span> <span class="comment">/// what kind of training does this coarse quantizer require?</span></div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</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="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">return</span></div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</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="l00662"></a><span class="lineno"> 662</span>  0;</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> </div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span> }</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> </div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"><a class="line" href="namespacefaiss.html#a0c95ec47726f2ce3fb668dcb1f9a3317"> 668</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="l00669"></a><span class="lineno"> 669</span> {</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  VTChain vts;</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <a class="code" href="structfaiss_1_1Index.html">Index</a> *coarse_quantizer = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <a class="code" href="structfaiss_1_1Index.html">Index</a> *index = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordtype">bool</span> add_idmap = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <span class="keywordtype">bool</span> make_IndexRefineFlat = <span class="keyword">false</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>  <a class="code" href="structfaiss_1_1ScopeDeleter1.html">ScopeDeleter1<Index></a> del_coarse_quantizer, del_index;</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> </div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordtype">char</span> description[strlen(description_in) + 1];</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordtype">char</span> *ptr;</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  memcpy (description, description_in, strlen(description_in) + 1);</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> </div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="keywordtype">int</span> ncentroids = -1;</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span> </div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</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="l00685"></a><span class="lineno"> 685</span>  tok;</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  tok = strtok_r (<span class="keyword">nullptr</span>, <span class="stringliteral">" ,"</span>, &ptr)) {</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <span class="keywordtype">int</span> d_out, opq_M, nbit, M, M2;</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordtype">char</span> option[100];</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  std::string stok(tok);</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> </div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="comment">// to avoid mem leaks with exceptions:</span></div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="comment">// do all tests before any instanciation</span></div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span> </div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <a class="code" href="structfaiss_1_1VectorTransform.html">VectorTransform</a> *vt_1 = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</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="l00696"></a><span class="lineno"> 696</span>  <a class="code" href="structfaiss_1_1Index.html">Index</a> *index_1 = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> </div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="comment">// VectorTransforms</span></div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keywordflow">if</span> (sscanf (tok, <span class="stringliteral">"PCA%d"</span>, &d_out) == 1) {</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</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="l00701"></a><span class="lineno"> 701</span>  d = d_out;</div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</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="l00703"></a><span class="lineno"> 703</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="l00704"></a><span class="lineno"> 704</span>  d = d_out;</div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</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="l00706"></a><span class="lineno"> 706</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="l00707"></a><span class="lineno"> 707</span>  d = d_out;</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</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="l00709"></a><span class="lineno"> 709</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="l00710"></a><span class="lineno"> 710</span>  d = d_out;</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</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="l00712"></a><span class="lineno"> 712</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="l00713"></a><span class="lineno"> 713</span>  d = d_out;</div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</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="l00715"></a><span class="lineno"> 715</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="l00716"></a><span class="lineno"> 716</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stok == <span class="stringliteral">"L2norm"</span>) {</div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</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="l00718"></a><span class="lineno"> 718</span> </div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> </div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!coarse_quantizer &&</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  sscanf (tok, <span class="stringliteral">"IVF%d"</span>, &ncentroids) == 1) {</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keywordflow">if</span> (metric == METRIC_L2) {</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</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="l00724"></a><span class="lineno"> 724</span>  } <span class="keywordflow">else</span> { <span class="comment">// if (metric == METRIC_IP)</span></div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</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="l00726"></a><span class="lineno"> 726</span>  }</div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</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="l00728"></a><span class="lineno"> 728</span>  FAISS_THROW_IF_NOT_MSG (metric == METRIC_L2,</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="stringliteral">"MultiIndex not implemented for inner prod search"</span>);</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</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="l00731"></a><span class="lineno"> 731</span>  ncentroids = 1 << (2 * nbit);</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stok == <span class="stringliteral">"IDMap"</span>) {</div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  add_idmap = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> </div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="comment">// IVFs</span></div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!index && stok == <span class="stringliteral">"Flat"</span>) {</div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">if</span> (coarse_quantizer) {</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="comment">// if there was an IVF in front, then it is an IVFFlat</span></div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <a class="code" href="structfaiss_1_1IndexIVF.html">IndexIVF</a> *index_ivf = <span class="keyword">new</span> <a class="code" href="structfaiss_1_1IndexIVFFlat.html">IndexIVFFlat</a> (</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  coarse_quantizer, d, ncentroids, metric);</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#a28c248ae6a2b0991c012ab7abe13574a">quantizer_trains_alone</a> =</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  get_trains_alone (coarse_quantizer);</div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7">cp</a>.<a class="code" href="structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d">spherical</a> = metric == METRIC_INNER_PRODUCT;</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  del_coarse_quantizer.release ();</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">own_fields</a> = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  index_1 = index_ivf;</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  index_1 = <span class="keyword">new</span> <a class="code" href="structfaiss_1_1IndexFlat.html">IndexFlat</a> (d, metric);</div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  }</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</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="l00751"></a><span class="lineno"> 751</span>  <a class="code" href="structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e">ScalarQuantizer::QuantizerType</a> qt =</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</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="l00753"></a><span class="lineno"> 753</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="l00754"></a><span class="lineno"> 754</span>  <a class="code" href="structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eacd3d1bd71533a7bc52149e4b3d1db13b">ScalarQuantizer::QT_4bit</a>;</div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">if</span> (coarse_quantizer) {</div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <a class="code" href="structfaiss_1_1IndexIVFScalarQuantizer.html">IndexIVFScalarQuantizer</a> *index_ivf =</div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keyword">new</span> <a class="code" href="structfaiss_1_1IndexIVFScalarQuantizer.html">IndexIVFScalarQuantizer</a> (</div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  coarse_quantizer, d, ncentroids, qt, metric);</div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#a28c248ae6a2b0991c012ab7abe13574a">quantizer_trains_alone</a> =</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  get_trains_alone (coarse_quantizer);</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  del_coarse_quantizer.release ();</div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">own_fields</a> = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  index_1 = index_ivf;</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</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="l00766"></a><span class="lineno"> 766</span>  }</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</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="l00768"></a><span class="lineno"> 768</span>  FAISS_THROW_IF_NOT_MSG(coarse_quantizer,</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="stringliteral">"PQ with + works only with an IVF"</span>);</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  FAISS_THROW_IF_NOT_MSG(metric == METRIC_L2,</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="stringliteral">"IVFPQR not implemented for inner product search"</span>);</div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</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="l00773"></a><span class="lineno"> 773</span>  coarse_quantizer, d, ncentroids, M, 8, M2, 8);</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#a28c248ae6a2b0991c012ab7abe13574a">quantizer_trains_alone</a> =</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  get_trains_alone (coarse_quantizer);</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  del_coarse_quantizer.release ();</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">own_fields</a> = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  index_1 = index_ivf;</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!index && sscanf (tok, <span class="stringliteral">"PQ%d%10s"</span>, &M, option) == 2) {</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  std::string soption = option;</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="comment">// np to disable polysemous trainign</span></div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  FAISS_THROW_IF_NOT(soption == <span class="stringliteral">""</span> || soption == <span class="stringliteral">"np"</span>);</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <span class="keywordflow">if</span> (coarse_quantizer) {</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</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="l00785"></a><span class="lineno"> 785</span>  coarse_quantizer, d, ncentroids, M, 8);</div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#a28c248ae6a2b0991c012ab7abe13574a">quantizer_trains_alone</a> =</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  get_trains_alone (coarse_quantizer);</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  index_ivf-><a class="code" href="structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e">metric_type</a> = metric;</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7">cp</a>.<a class="code" href="structfaiss_1_1ClusteringParameters.html#ad997fb511f574f7ddc69938c21612f8d">spherical</a> = metric == METRIC_INNER_PRODUCT;</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  del_coarse_quantizer.release ();</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">own_fields</a> = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  index_ivf-><a class="code" href="structfaiss_1_1IndexIVFPQ.html#a9d5373633df7a9bec4de69400b9adeed">do_polysemous_training</a> = soption != <span class="stringliteral">"np"</span>;</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  index_1 = index_ivf;</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</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="l00796"></a><span class="lineno"> 796</span>  index_pq-><a class="code" href="structfaiss_1_1IndexPQ.html#af616e1f3c7bff7f62c2607b8079da43f">do_polysemous_training</a> = soption != <span class="stringliteral">"np"</span>;</div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  index_1 = index_pq;</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</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> (stok == <span class="stringliteral">"RFlat"</span>) {</div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  make_IndexRefineFlat = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  FAISS_THROW_FMT( <span class="stringliteral">"could not parse token \"%s\" in %s\n"</span>,</div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  tok, description_in);</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  }</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">if</span> (index_1 && add_idmap) {</div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</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="l00809"></a><span class="lineno"> 809</span>  del_index.set (idmap);</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</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="l00811"></a><span class="lineno"> 811</span>  index_1 = idmap;</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  add_idmap = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</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="keywordflow">if</span> (vt_1) {</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  vts.chain.push_back (vt_1);</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  }</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> </div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <span class="keywordflow">if</span> (coarse_quantizer_1) {</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  coarse_quantizer = coarse_quantizer_1;</div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  del_coarse_quantizer.set (coarse_quantizer);</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  }</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span> </div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">if</span> (index_1) {</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  index = index_1;</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  del_index.set (index);</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  }</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  }</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> </div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  FAISS_THROW_IF_NOT_FMT(index, <span class="stringliteral">"descrption %s did not generate an index"</span>,</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  description_in);</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> </div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="comment">// nothing can go wrong now</span></div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  del_index.release ();</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  del_coarse_quantizer.release ();</div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span> </div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">if</span> (add_idmap) {</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  fprintf(stderr, <span class="stringliteral">"index_factory: WARNING: "</span></div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="stringliteral">"IDMap option not used\n"</span>);</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  }</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> </div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keywordflow">if</span> (vts.chain.size() > 0) {</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</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="l00844"></a><span class="lineno"> 844</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="l00845"></a><span class="lineno"> 845</span>  <span class="comment">// add from back</span></div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">while</span> (vts.chain.size() > 0) {</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  index_pt->prepend_transform (vts.chain.back());</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  vts.chain.pop_back ();</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  }</div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  index = index_pt;</div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  }</div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> </div>
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<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keywordflow">if</span> (make_IndexRefineFlat) {</div>
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<div class="line"><a name="l00854"></a><span class="lineno"> 854</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>
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<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  index_rf-><a class="code" href="structfaiss_1_1IndexRefineFlat.html#aaf0f6a094de0e9409effa81bedb9c7e2">own_fields</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  index = index_rf;</div>
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<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  }</div>
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<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> </div>
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<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keywordflow">return</span> index;</div>
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<div class="line"><a name="l00860"></a><span class="lineno"> 860</span> }</div>
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<div class="line"><a name="l00861"></a><span class="lineno"> 861</span> </div>
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<div class="line"><a name="l00862"></a><span class="lineno"> 862</span> </div>
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<div class="line"><a name="l00863"></a><span class="lineno"> 863</span> </div>
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<div class="line"><a name="l00864"></a><span class="lineno"> 864</span> </div>
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<div class="line"><a name="l00865"></a><span class="lineno"> 865</span> }; <span class="comment">// namespace faiss</span></div>
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<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#l00535">AutoTune.cpp:535</a></div></div>
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<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#l00045">IndexIVF.h:45</a></div></div>
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<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>
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<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>
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<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#l00032">IndexScalarQuantizer.h:32</a></div></div>
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<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#l00023">IndexFlat.h:23</a></div></div>
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<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>
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<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#l00168">IndexIVFPQ.h:168</a></div></div>
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<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>
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<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#l00102">AutoTune.cpp:102</a></div></div>
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<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>
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<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#l00082">IndexScalarQuantizer.h:82</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexIVF_html_a28c248ae6a2b0991c012ab7abe13574a"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#a28c248ae6a2b0991c012ab7abe13574a">faiss::IndexIVF::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#l00056">IndexIVF.h:56</a></div></div>
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<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#l00221">AutoTune.cpp:221</a></div></div>
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<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#l00028">IndexPQ.h:28</a></div></div>
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<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>
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<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#l00034">IndexScalarQuantizer.h:34</a></div></div>
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<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>
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<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#l00174">AutoTune.cpp:174</a></div></div>
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<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>
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<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#l00124">VectorTransform.h:124</a></div></div>
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<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#l00079">IndexFlat.h:79</a></div></div>
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<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#l00112">AutoTune.cpp:112</a></div></div>
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<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#l00180">VectorTransform.h:180</a></div></div>
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<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#l00052">FaissException.h:52</a></div></div>
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<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#l00034">IndexIVFPQ.h:34</a></div></div>
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<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>
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<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>
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<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#l00239">VectorTransform.h:239</a></div></div>
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<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#l00026">MetaIndexes.h:26</a></div></div>
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<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>
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<div class="ttc" id="structfaiss_1_1IndexIVFFlat_html"><div class="ttname"><a href="structfaiss_1_1IndexIVFFlat.html">faiss::IndexIVFFlat</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexIVF_8h_source.html#l00181">IndexIVF.h:181</a></div></div>
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<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>
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<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#l00073">IndexFlat.h:73</a></div></div>
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<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#l00036">AutoTune.cpp:36</a></div></div>
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<div class="ttc" id="structfaiss_1_1ParameterSpace_html_aeaa27a715fe3fceef5da18d894976833"><div class="ttname"><a href="structfaiss_1_1ParameterSpace.html#aeaa27a715fe3fceef5da18d894976833">faiss::ParameterSpace::add_range</a></div><div class="ttdeci">ParameterRange & add_range(const char *name)</div><div class="ttdoc">add a new parameter </div><div class="ttdef"><b>Definition:</b> <a href="AutoTune_8cpp_source.html#l00322">AutoTune.cpp:322</a></div></div>
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<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#l00103">IndexFlat.h:103</a></div></div>
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<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>
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<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#l00188">AutoTune.cpp:188</a></div></div>
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<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#l00110">IndexFlat.h:110</a></div></div>
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<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#l00064">Index.h:64</a></div></div>
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<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#l00034">ProductQuantizer.h:34</a></div></div>
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<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#l00029">IndexIVFPQ.h:29</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexIVF_html_a9746bcd42ecec1501f221e918b25e8e7"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7">faiss::IndexIVF::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#l00059">IndexIVF.h:59</a></div></div>
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<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>
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<div class="ttc" id="structfaiss_1_1IndexIVF_html_aed2e9757ad5f3c234fd8ad60175a2a73"><div class="ttname"><a href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">faiss::IndexIVF::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#l00057">IndexIVF.h:57</a></div></div>
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<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>
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<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#l01574">utils.cpp:1574</a></div></div>
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<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>
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<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#l00066">Index.h:66</a></div></div>
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<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#l00074">utils.cpp:74</a></div></div>
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<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>
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<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#l00129">IndexScalarQuantizer.h:129</a></div></div>
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<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#l00277">AutoTune.cpp:277</a></div></div>
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<div class="ttc" id="structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7"><div class="ttname"><a href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index::search</a></div><div class="ttdeci">virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0</div></div>
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<div class="ttc" id="structfaiss_1_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>
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<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#l00521">AutoTune.cpp:521</a></div></div>
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<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#l00028">VectorTransform.h:28</a></div></div>
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<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#l00244">VectorTransform.h:244</a></div></div>
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<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#l00331">AutoTune.cpp:331</a></div></div>
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<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>
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<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#l00159">AutoTune.cpp:159</a></div></div>
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<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#l00423">AutoTune.cpp:423</a></div></div>
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<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#l00268">AutoTune.cpp:268</a></div></div>
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<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#l00072">Index.h:72</a></div></div>
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<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#l00390">AutoTune.cpp:390</a></div></div>
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<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#l00033">IndexScalarQuantizer.h:33</a></div></div>
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<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#l00060">Index.h:60</a></div></div>
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<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>
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<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#l00503">AutoTune.cpp:503</a></div></div>
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<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>
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<div class="ttc" id="structfaiss_1_1IndexShards_html"><div class="ttname"><a href="structfaiss_1_1IndexShards.html">faiss::IndexShards</a></div><div class="ttdef"><b>Definition:</b> <a href="MetaIndexes_8h_source.html#l00086">MetaIndexes.h:86</a></div></div>
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<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#l00025">ProductQuantizer.h:25</a></div></div>
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<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#l00226">VectorTransform.h:226</a></div></div>
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<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#l00292">AutoTune.cpp:292</a></div></div>
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<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#l00029">Clustering.h:29</a></div></div>
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<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>
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<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#l00668">AutoTune.cpp:668</a></div></div>
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<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>
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<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>
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<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>
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<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#l00043">Index.h:43</a></div></div>
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<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#l00028">MetaIndexes.h:28</a></div></div>
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