433 lines
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433 lines
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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_1IndexShards.html">IndexShards</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pub-attribs">Public Attributes</a> |
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<a href="structfaiss_1_1IndexShards-members.html">List of all members</a> </div>
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<div class="title">faiss::IndexShards Struct Reference</div> </div>
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<p><code>#include <<a class="el" href="MetaIndexes_8h_source.html">MetaIndexes.h</a>></code></p>
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Inheritance diagram for faiss::IndexShards:</div>
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<img src="structfaiss_1_1IndexShards.png" usemap="#faiss::IndexShards_map" alt=""/>
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<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:ad987a18a1786919e32cc02ca36e5ab46"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#ad987a18a1786919e32cc02ca36e5ab46">IndexShards</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, bool <a class="el" href="structfaiss_1_1IndexShards.html#a493da171720f2c3f35058f793fb9a6ce">threaded</a>=false, bool successive_ids=true)</td></tr>
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<tr class="separator:ad987a18a1786919e32cc02ca36e5ab46"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af57687eb97329814482fc0813b78094d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af57687eb97329814482fc0813b78094d"></a>
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void </td><td class="memItemRight" valign="bottom"><b>add_shard</b> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *)</td></tr>
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<tr class="separator:af57687eb97329814482fc0813b78094d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0a2e1a4846802e7a155258340f54cb37"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0a2e1a4846802e7a155258340f54cb37"></a>
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void </td><td class="memItemRight" valign="bottom"><b>sync_with_shard_indexes</b> ()</td></tr>
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<tr class="separator:a0a2e1a4846802e7a155258340f54cb37"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4cf833cabdcf9080481963ac32b96543"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4cf833cabdcf9080481963ac32b96543"></a>
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<a class="el" href="structfaiss_1_1Index.html">Index</a> * </td><td class="memItemRight" valign="bottom"><b>at</b> (int i)</td></tr>
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<tr class="memitem:a2e06889521c566525011eb46cc97cda6"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2e06889521c566525011eb46cc97cda6"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#a2e06889521c566525011eb46cc97cda6">add</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x) override</td></tr>
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<tr class="memdesc:a2e06889521c566525011eb46cc97cda6"><td class="mdescLeft"> </td><td class="mdescRight">supported only for sub-indices that implement add_with_ids <br/></td></tr>
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<tr class="separator:a2e06889521c566525011eb46cc97cda6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1f771d50133494f682f05c9ab9e39ad9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#a1f771d50133494f682f05c9ab9e39ad9">add_with_ids</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, const long *xids) override</td></tr>
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<tr class="separator:a1f771d50133494f682f05c9ab9e39ad9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a83391295650370e8987358a898bb2cca"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#a83391295650370e8987358a898bb2cca">search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels) const override</td></tr>
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<tr class="separator:a83391295650370e8987358a898bb2cca"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a36fbcc85eed9bf2ea15587f04be9ae0b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#a36fbcc85eed9bf2ea15587f04be9ae0b">train</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x) override</td></tr>
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<tr class="memitem:aa7dc5d020de4a0552058cbf2844cb00f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa7dc5d020de4a0552058cbf2844cb00f"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#aa7dc5d020de4a0552058cbf2844cb00f">reset</a> () override</td></tr>
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<tr class="memdesc:aa7dc5d020de4a0552058cbf2844cb00f"><td class="mdescLeft"> </td><td class="mdescRight">removes all elements from the database. <br/></td></tr>
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<tr class="inherit_header pub_methods_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
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<tr class="memitem:a7b8cc435b5619d5d8382010a424bf67e inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7b8cc435b5619d5d8382010a424bf67e"></a>
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 </td><td class="memItemRight" valign="bottom"><b>Index</b> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>=0, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> metric=METRIC_L2)</td></tr>
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<tr class="memitem:a236897832a58dbb205e2d662c1929fb1 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a236897832a58dbb205e2d662c1929fb1">range_search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, float radius, <a class="el" href="structfaiss_1_1RangeSearchResult.html">RangeSearchResult</a> *result) const </td></tr>
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<tr class="memitem:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c">assign</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k=1)</td></tr>
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<tr class="memitem:af8bf7bd97aeed8ad5fc48b242379a68a inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#af8bf7bd97aeed8ad5fc48b242379a68a">remove_ids</a> (const <a class="el" href="structfaiss_1_1IDSelector.html">IDSelector</a> &sel)</td></tr>
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<tr class="memitem:aaef6f4132b1f390121ebb11058baf190 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aaef6f4132b1f390121ebb11058baf190">reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key, float *recons) const </td></tr>
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<tr class="memitem:a1936604fffe16b0ef2a3879305950738 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a1936604fffe16b0ef2a3879305950738">reconstruct_n</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> i0, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> ni, float *recons) const </td></tr>
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<tr class="memitem:aa5b4e63e1064f9bf9c75625d114b353f inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aa5b4e63e1064f9bf9c75625d114b353f">search_and_reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels, float *recons) const </td></tr>
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<tr class="memitem:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aaae77608bbda70b1098897e9167a82f9">compute_residual</a> (const float *x, float *residual, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key) const </td></tr>
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<tr class="memitem:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a373c30e3d87d1d4e616f450d87152b1a">display</a> () const </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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std::vector< <a class="el" href="structfaiss_1_1Index.html">Index</a> * > </td><td class="memItemRight" valign="bottom"><b>shard_indexes</b></td></tr>
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<tr class="memitem:a9d50a623f24540bce6c32c51d5101516"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9d50a623f24540bce6c32c51d5101516"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>own_fields</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexShards.html#a493da171720f2c3f35058f793fb9a6ce">threaded</a></td></tr>
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<tr class="memdesc:a493da171720f2c3f35058f793fb9a6ce"><td class="mdescLeft"> </td><td class="mdescRight">should the sub-indexes be deleted along with this? <br/></td></tr>
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<tr class="separator:a493da171720f2c3f35058f793fb9a6ce"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0dcf9e6f720766bb0c63c9a98d7043da"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0dcf9e6f720766bb0c63c9a98d7043da"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>successive_ids</b></td></tr>
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<tr class="separator:a0dcf9e6f720766bb0c63c9a98d7043da"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_attribs_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
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<tr class="memitem:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2a002388d2c081c2dbab8508dcefe73d"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a></td></tr>
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<tr class="memdesc:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">vector dimension <br/></td></tr>
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<tr class="separator:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6970683faa021b7a6f1a0865c0d4eccd"></a>
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<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a></td></tr>
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<tr class="memdesc:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">total nb of indexed vectors <br/></td></tr>
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<tr class="separator:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5590d847c5c2b958affd2a05e58a6f23"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a></td></tr>
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<tr class="memdesc:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">verbosity level <br/></td></tr>
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<tr class="separator:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6e92732617c4dbe364e7678dd8773a7f"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f">is_trained</a></td></tr>
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<tr class="memdesc:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">set if the <a class="el" href="structfaiss_1_1Index.html">Index</a> does not require training, or if training is done already <br/></td></tr>
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<tr class="separator:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8e18f641854b2bde83ecff0a2f9a6f4e"></a>
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<a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e">metric_type</a></td></tr>
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<tr class="memdesc:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">type of metric this index uses for search <br/></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="inherited"></a>
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Additional Inherited Members</h2></td></tr>
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<tr class="inherit_header pub_types_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_types_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
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<tr class="memitem:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a040c6aed1f224f3ea7bf58eebc0c31a4"></a>
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typedef long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a></td></tr>
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<tr class="memdesc:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">all indices are this type <br/></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><a class="el" href="structfaiss_1_1Index.html">Index</a> that concatenates the results from several sub-indexes </p>
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<p>Definition at line <a class="el" href="MetaIndexes_8h_source.html#l00086">86</a> of file <a class="el" href="MetaIndexes_8h_source.html">MetaIndexes.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a class="anchor" id="ad987a18a1786919e32cc02ca36e5ab46"></a>
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<td class="memname">faiss::IndexShards::IndexShards </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </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">bool </td>
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<td class="paramname"><em>threaded</em> = <code>false</code>, </td>
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</tr>
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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">bool </td>
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<td class="paramname"><em>successive_ids</em> = <code>true</code> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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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">threaded</td><td>do we use one thread per sub_index or do queries sequentially? </td></tr>
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<tr><td class="paramname">successive_ids</td><td>should we shift the returned ids by the size of each sub-index or return them as they are? </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="MetaIndexes_8cpp_source.html#l00367">367</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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</div>
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</div>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a1f771d50133494f682f05c9ab9e39ad9"></a>
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<td class="memname">void faiss::IndexShards::add_with_ids </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>n</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>x</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const long * </td>
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<td class="paramname"><em>xids</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Cases (successive_ids, xids):</p>
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<ul>
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<li>true, non-NULL ERROR: it makes no sense to pass in ids and request them to be shifted</li>
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<li>true, NULL OK, but should be called only once (calls <a class="el" href="structfaiss_1_1IndexShards.html#a2e06889521c566525011eb46cc97cda6" title="supported only for sub-indices that implement add_with_ids ">add()</a> on sub-indexes).</li>
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<li>false, non-NULL OK: will call add_with_ids with passed in xids distributed evenly over shards</li>
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<li>false, NULL OK: will call add_with_ids on each sub-index, starting at ntotal </li>
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</ul>
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<p>Reimplemented from <a class="el" href="structfaiss_1_1Index.html#aa6931dfe054b33b02c842ff75f7a0c7f">faiss::Index</a>.</p>
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<p>Definition at line <a class="el" href="MetaIndexes_8cpp_source.html#l00426">426</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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<td class="memname">void faiss::IndexShards::search </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>n</em>, </td>
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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>x</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>k</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">float * </td>
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<td class="paramname"><em>distances</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> * </td>
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<td class="paramname"><em>labels</em> </td>
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<tr>
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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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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<p>query n vectors of dimension d to the index.</p>
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<p>return at most k vectors. If there are not enough results for a query, the result array is padded with -1s.</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">x</td><td>input vectors to search, size n * d </td></tr>
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<tr><td class="paramname">labels</td><td>output labels of the NNs, size n*k </td></tr>
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<tr><td class="paramname">distances</td><td>output pairwise distances, size n*k </td></tr>
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</table>
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</dd>
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</dl>
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<p>Implements <a class="el" href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index</a>.</p>
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<p>Definition at line <a class="el" href="MetaIndexes_8cpp_source.html#l00487">487</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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<a class="anchor" id="a36fbcc85eed9bf2ea15587f04be9ae0b"></a>
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<td class="memname">void faiss::IndexShards::train </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>n</em>, </td>
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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>x</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Perform training on a representative set of vectors</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">n</td><td>nb of training vectors </td></tr>
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<tr><td class="paramname">x</td><td>training vecors, size n * d </td></tr>
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</table>
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</dd>
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</dl>
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<p>Reimplemented from <a class="el" href="structfaiss_1_1Index.html#abf601502bdbfa02b9d7bcd7b3671b71d">faiss::Index</a>.</p>
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<p>Definition at line <a class="el" href="MetaIndexes_8cpp_source.html#l00397">397</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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</div>
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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/matthijs/github_faiss/faiss/<a class="el" href="MetaIndexes_8h_source.html">MetaIndexes.h</a></li>
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<li>/data/users/matthijs/github_faiss/faiss/<a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a></li>
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