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<li class="navelem"><a class="el" href="namespacefaiss.html">faiss</a></li><li class="navelem"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html">AutoTuneCriterion</a></li> </ul>
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<div class="title">faiss::AutoTuneCriterion Struct Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p><code>#include <<a class="el" href="AutoTune_8h_source.html">AutoTune.h</a>></code></p>
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Inheritance diagram for faiss::AutoTuneCriterion:</div>
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Public Types</h2></td></tr>
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<tr class="memitem:a7873f86515af86a77eaaea1f6b13e982"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7873f86515af86a77eaaea1f6b13e982"></a>
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typedef <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">Index::idx_t</a> </td><td class="memItemRight" valign="bottom"><b>idx_t</b></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:abd85ee0d09e9f4958330c42e867e432b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abd85ee0d09e9f4958330c42e867e432b"></a>
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 </td><td class="memItemRight" valign="bottom"><b>AutoTuneCriterion</b> (idx_t <a class="el" href="structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b">nq</a>, idx_t <a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a>)</td></tr>
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<tr class="separator:abd85ee0d09e9f4958330c42e867e432b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a174f0de8e6fd01905f5fa2170f5039d8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a174f0de8e6fd01905f5fa2170f5039d8">set_groundtruth</a> (int <a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4">gt_nnn</a>, const float *gt_D_in, const idx_t *gt_I_in)</td></tr>
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<tr class="separator:a174f0de8e6fd01905f5fa2170f5039d8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9084449e216b331c5f753a10c6de6a47"><td class="memItemLeft" align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a9084449e216b331c5f753a10c6de6a47">evaluate</a> (const float *D, const idx_t *I) const =0</td></tr>
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<tr class="separator:a9084449e216b331c5f753a10c6de6a47"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Public Attributes</h2></td></tr>
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<tr class="memitem:adcfaafb3f1b3449e2cfd553f0f603a5b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adcfaafb3f1b3449e2cfd553f0f603a5b"></a>
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idx_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#adcfaafb3f1b3449e2cfd553f0f603a5b">nq</a></td></tr>
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<tr class="memdesc:adcfaafb3f1b3449e2cfd553f0f603a5b"><td class="mdescLeft"> </td><td class="mdescRight">nb of queries this criterion is evaluated on <br/></td></tr>
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<tr class="separator:adcfaafb3f1b3449e2cfd553f0f603a5b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3bb11e873707a812999f8391869aafab"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3bb11e873707a812999f8391869aafab"></a>
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idx_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a3bb11e873707a812999f8391869aafab">nnn</a></td></tr>
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<tr class="memdesc:a3bb11e873707a812999f8391869aafab"><td class="mdescLeft"> </td><td class="mdescRight">nb of NNs that the query should request <br/></td></tr>
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<tr class="separator:a3bb11e873707a812999f8391869aafab"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9b3a2242729a0873d255c1684881bbd4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9b3a2242729a0873d255c1684881bbd4"></a>
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idx_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a9b3a2242729a0873d255c1684881bbd4">gt_nnn</a></td></tr>
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<tr class="memdesc:a9b3a2242729a0873d255c1684881bbd4"><td class="mdescLeft"> </td><td class="mdescRight">nb of GT NNs required to evaluate crterion <br/></td></tr>
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<tr class="separator:a9b3a2242729a0873d255c1684881bbd4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a40e91caa9232a597c16fc946d0befd9b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a40e91caa9232a597c16fc946d0befd9b"></a>
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std::vector< float > </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#a40e91caa9232a597c16fc946d0befd9b">gt_D</a></td></tr>
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<tr class="memdesc:a40e91caa9232a597c16fc946d0befd9b"><td class="mdescLeft"> </td><td class="mdescRight">Ground-truth distances (size nq * gt_nnn) <br/></td></tr>
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<tr class="separator:a40e91caa9232a597c16fc946d0befd9b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af915fc4df215e3c8d9f71ff42d526144"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af915fc4df215e3c8d9f71ff42d526144"></a>
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std::vector< idx_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1AutoTuneCriterion.html#af915fc4df215e3c8d9f71ff42d526144">gt_I</a></td></tr>
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<tr class="memdesc:af915fc4df215e3c8d9f71ff42d526144"><td class="mdescLeft"> </td><td class="mdescRight">Ground-truth indexes (size nq * gt_nnn) <br/></td></tr>
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<tr class="separator:af915fc4df215e3c8d9f71ff42d526144"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Evaluation criterion. Returns a performance measure in [0,1], higher is better. </p>
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<p>Definition at line <a class="el" href="AutoTune_8h_source.html#l00026">26</a> of file <a class="el" href="AutoTune_8h_source.html">AutoTune.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual double faiss::AutoTuneCriterion::evaluate </td>
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<td>(</td>
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<td class="paramtype">const float * </td>
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<td class="paramname"><em>D</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const idx_t * </td>
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<td class="paramname"><em>I</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</div><div class="memdoc">
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<p>Evaluate the criterion.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">D</td><td>size nq * nnn </td></tr>
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<tr><td class="paramname">I</td><td>size nq * nnn </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>the criterion, between 0 and 1. Larger is better. </dd></dl>
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<p>Implemented in <a class="el" href="structfaiss_1_1IntersectionCriterion.html#a6f7aef25852931b22298f7bb4c358791">faiss::IntersectionCriterion</a>, and <a class="el" href="structfaiss_1_1OneRecallAtRCriterion.html#afe472c2ae38534c293b02feebf87988d">faiss::OneRecallAtRCriterion</a>.</p>
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<a class="anchor" id="a174f0de8e6fd01905f5fa2170f5039d8"></a>
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<td class="memname">void faiss::AutoTuneCriterion::set_groundtruth </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>gt_nnn</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const float * </td>
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<td class="paramname"><em>gt_D_in</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const idx_t * </td>
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<td class="paramname"><em>gt_I_in</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<p>Intitializes the gt_D and gt_I vectors. Must be called before evaluating</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">gt_D_in</td><td>size nq * gt_nnn </td></tr>
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<tr><td class="paramname">gt_I_in</td><td>size nq * gt_nnn </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="AutoTune_8cpp_source.html#l00045">45</a> of file <a class="el" href="AutoTune_8cpp_source.html">AutoTune.cpp</a>.</p>
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</div>
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<hr/>The documentation for this struct was generated from the following files:<ul>
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<li>/data/users/hoss/faiss/<a class="el" href="AutoTune_8h_source.html">AutoTune.h</a></li>
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<li>/data/users/hoss/faiss/<a class="el" href="AutoTune_8cpp_source.html">AutoTune.cpp</a></li>
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