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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_1IndexIVFPQR.html">IndexIVFPQR</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">faiss::IndexIVFPQR Struct Reference</div> </div>
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<p><code>#include <<a class="el" href="IndexIVFPQ_8h_source.html">IndexIVFPQ.h</a>></code></p>
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Inheritance diagram for faiss::IndexIVFPQR:</div>
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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:aa465b697b8ca9aa5970ad92ac246580a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa465b697b8ca9aa5970ad92ac246580a"></a>
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 </td><td class="memItemRight" valign="bottom"><b>IndexIVFPQR</b> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *<a class="el" href="structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a">quantizer</a>, size_t <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, size_t <a class="el" href="structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b">nlist</a>, size_t M, size_t nbits_per_idx, size_t M_refine, size_t nbits_per_idx_refine)</td></tr>
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<tr class="separator:aa465b697b8ca9aa5970ad92ac246580a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae0e979a014a9defe2254e9543657b075"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae0e979a014a9defe2254e9543657b075"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#ae0e979a014a9defe2254e9543657b075">reset</a> () override</td></tr>
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<tr class="memdesc:ae0e979a014a9defe2254e9543657b075"><td class="mdescLeft"> </td><td class="mdescRight">removes all elements from the database. <br/></td></tr>
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<tr class="separator:ae0e979a014a9defe2254e9543657b075"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:acc5eeeeb8ac8d2581ef07947932d9f6c"><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#acc5eeeeb8ac8d2581ef07947932d9f6c">remove_ids</a> (const <a class="el" href="structfaiss_1_1IDSelector.html">IDSelector</a> &sel) override</td></tr>
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<tr class="memitem:a68ed7cae5bec89fcdcb6a1d2addbd5a8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a68ed7cae5bec89fcdcb6a1d2addbd5a8"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a68ed7cae5bec89fcdcb6a1d2addbd5a8">train_residual</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:a68ed7cae5bec89fcdcb6a1d2addbd5a8"><td class="mdescLeft"> </td><td class="mdescRight">trains the two product quantizers <br/></td></tr>
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<tr class="separator:a68ed7cae5bec89fcdcb6a1d2addbd5a8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4b6154a5194d574d037ba78c137a2fa5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a4b6154a5194d574d037ba78c137a2fa5">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:a4b6154a5194d574d037ba78c137a2fa5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a186b746f22b65ddf416b1e821b0866ec"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a186b746f22b65ddf416b1e821b0866ec"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a186b746f22b65ddf416b1e821b0866ec">add_core</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, const long *xids, const long *precomputed_idx=nullptr)</td></tr>
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<tr class="memdesc:a186b746f22b65ddf416b1e821b0866ec"><td class="mdescLeft"> </td><td class="mdescRight">same as add_with_ids, but optionally use the precomputed list ids <br/></td></tr>
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<tr class="separator:a186b746f22b65ddf416b1e821b0866ec"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0f0d8fc6b2c6aa2431c1730111a3b22a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a0f0d8fc6b2c6aa2431c1730111a3b22a">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 override</td></tr>
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<tr class="separator:a0f0d8fc6b2c6aa2431c1730111a3b22a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3e982ee6f1a3a025148270701867d04f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a3e982ee6f1a3a025148270701867d04f">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="memitem:af6c7ee3bc917cc5d4ab04ff64269ee06"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af6c7ee3bc917cc5d4ab04ff64269ee06"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#af6c7ee3bc917cc5d4ab04ff64269ee06">merge_from_residuals</a> (<a class="el" href="structfaiss_1_1IndexIVF.html">IndexIVF</a> &other) override</td></tr>
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<tr class="memdesc:af6c7ee3bc917cc5d4ab04ff64269ee06"><td class="mdescLeft"> </td><td class="mdescRight">used to implement merging <br/></td></tr>
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<tr class="separator:af6c7ee3bc917cc5d4ab04ff64269ee06"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_structfaiss_1_1IndexIVFPQ"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1IndexIVFPQ')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1IndexIVFPQ.html">faiss::IndexIVFPQ</a></td></tr>
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<tr class="memitem:a38e177f44798228fe81a0c35b86080fc inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a38e177f44798228fe81a0c35b86080fc"></a>
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 </td><td class="memItemRight" valign="bottom"><b>IndexIVFPQ</b> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *<a class="el" href="structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a">quantizer</a>, size_t <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, size_t <a class="el" href="structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b">nlist</a>, size_t M, size_t nbits_per_idx)</td></tr>
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<tr class="separator:a38e177f44798228fe81a0c35b86080fc inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac0cb8421b9885d691696d2ff4f76894b inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#ac0cb8421b9885d691696d2ff4f76894b">add_core_o</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, const long *xids, float *residuals_2, const long *precomputed_idx=nullptr)</td></tr>
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<tr class="memitem:a4e06f04853dcb424dc393de5f641e917 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4e06f04853dcb424dc393de5f641e917"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a4e06f04853dcb424dc393de5f641e917">train_residual_o</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, float *residuals_2)</td></tr>
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<tr class="memdesc:a4e06f04853dcb424dc393de5f641e917 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">same as train_residual, also output 2nd level residuals <br/></td></tr>
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<tr class="separator:a4e06f04853dcb424dc393de5f641e917 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a28ce697b1381eb7e7d7d25774a25e175 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a28ce697b1381eb7e7d7d25774a25e175">reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key, float *recons) const override</td></tr>
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<tr class="memitem:aee355b57acde203a3caed46a93e16a3c inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#aee355b57acde203a3caed46a93e16a3c">find_duplicates</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *<a class="el" href="structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d">ids</a>, size_t *lims) const </td></tr>
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<tr class="memitem:aa26497bd5b44c5dbbebfe6bfe453119e inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa26497bd5b44c5dbbebfe6bfe453119e"></a>
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void </td><td class="memItemRight" valign="bottom"><b>encode</b> (long key, const float *x, uint8_t *code) const </td></tr>
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<tr class="memitem:a1ae6cdd996bbd398fa4e87646c8f3ba6 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a1ae6cdd996bbd398fa4e87646c8f3ba6">encode_multiple</a> (size_t n, long *keys, const float *x, uint8_t *codes, bool compute_keys=false) const </td></tr>
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<tr class="memitem:ae1fb0cc3051dec8e322a78c443f8fc9a inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae1fb0cc3051dec8e322a78c443f8fc9a"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#ae1fb0cc3051dec8e322a78c443f8fc9a">decode_multiple</a> (size_t n, const long *keys, const uint8_t *xcodes, float *x) const </td></tr>
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<tr class="memdesc:ae1fb0cc3051dec8e322a78c443f8fc9a inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">inverse of encode_multiple <br/></td></tr>
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<tr class="memitem:ad5ae3ae94b4776291f6abee5110c7c0c inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#ad5ae3ae94b4776291f6abee5110c7c0c">search_knn_with_key</a> (size_t nx, const float *qx, const long *keys, const float *coarse_dis, <a class="el" href="structfaiss_1_1HeapArray.html">float_maxheap_array_t</a> *res, bool store_pairs=false) const </td></tr>
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<tr class="separator:ad5ae3ae94b4776291f6abee5110c7c0c inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad99c215aeaf92e995cb97f4044c4d267 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#ad99c215aeaf92e995cb97f4044c4d267">precompute_table</a> ()</td></tr>
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<tr class="memdesc:ad99c215aeaf92e995cb97f4044c4d267 inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">build precomputed table <a href="#ad99c215aeaf92e995cb97f4044c4d267">More...</a><br/></td></tr>
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<tr class="memitem:af278c710f6c7605f59e1da48a6dea37a inherit pub_methods_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#af278c710f6c7605f59e1da48a6dea37a">copy_subset_to</a> (<a class="el" href="structfaiss_1_1IndexIVFPQ.html">IndexIVFPQ</a> &other, int subset_type, long a1, long a2) const </td></tr>
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<tr class="inherit_header pub_methods_structfaiss_1_1IndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1IndexIVF')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a></td></tr>
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<tr class="memitem:a617f8c4ff40619d141c5c21dbf758ddf inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a617f8c4ff40619d141c5c21dbf758ddf">IndexIVF</a> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *<a class="el" href="structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a">quantizer</a>, size_t <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, size_t <a class="el" href="structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b">nlist</a>, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> metric=METRIC_INNER_PRODUCT)</td></tr>
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<tr class="memitem:a7a1d5eec194db0977b2318c6ed6a2b86 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7a1d5eec194db0977b2318c6ed6a2b86"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7a1d5eec194db0977b2318c6ed6a2b86">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="memdesc:a7a1d5eec194db0977b2318c6ed6a2b86 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Trains the quantizer and calls train_residual to train sub-quantizers. <br/></td></tr>
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<tr class="separator:a7a1d5eec194db0977b2318c6ed6a2b86 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a821002a9d3a1a74dc8d6f6072eca4075 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a821002a9d3a1a74dc8d6f6072eca4075"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a821002a9d3a1a74dc8d6f6072eca4075">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:a821002a9d3a1a74dc8d6f6072eca4075 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Quantizes x and calls add_with_key. <br/></td></tr>
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<tr class="separator:a821002a9d3a1a74dc8d6f6072eca4075 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0f22cc237c30c935df5b6560aecf8f01 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a0f22cc237c30c935df5b6560aecf8f01">merge_from</a> (<a class="el" href="structfaiss_1_1IndexIVF.html">IndexIVF</a> &other, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> add_id)</td></tr>
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<tr class="memitem:a0475311f5faee84d024066906bae0bbd inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0475311f5faee84d024066906bae0bbd"></a>
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size_t </td><td class="memItemRight" valign="bottom"><b>get_list_size</b> (size_t list_no) const </td></tr>
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<tr class="memitem:a1c11ce77f459e2ab3e5d9a4c2263ad89 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a1c11ce77f459e2ab3e5d9a4c2263ad89">make_direct_map</a> (bool new_maintain_direct_map=true)</td></tr>
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<tr class="memitem:aeab84d4edf2cf9747c923e1a8395d9f3 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeab84d4edf2cf9747c923e1a8395d9f3"></a>
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double </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#aeab84d4edf2cf9747c923e1a8395d9f3">imbalance_factor</a> () const </td></tr>
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<tr class="memdesc:aeab84d4edf2cf9747c923e1a8395d9f3 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">1= perfectly balanced, >1: imbalanced <br/></td></tr>
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<tr class="separator:aeab84d4edf2cf9747c923e1a8395d9f3 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a513dfec3a250f08a9fdd18a24178e6bb inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a513dfec3a250f08a9fdd18a24178e6bb"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a513dfec3a250f08a9fdd18a24178e6bb">print_stats</a> () const </td></tr>
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<tr class="memdesc:a513dfec3a250f08a9fdd18a24178e6bb inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">display some stats about the inverted lists <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:a18475cb29370bd6ac3c9f41d39f2e8ec inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a18475cb29370bd6ac3c9f41d39f2e8ec"></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_INNER_PRODUCT)</td></tr>
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<tr class="separator:a18475cb29370bd6ac3c9f41d39f2e8ec inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </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="separator:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </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="separator:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </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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<tr class="memitem:a4a80540e7cdfb3e43712ffb93e083a7c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4a80540e7cdfb3e43712ffb93e083a7c"></a>
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<a class="el" href="structfaiss_1_1ProductQuantizer.html">ProductQuantizer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a4a80540e7cdfb3e43712ffb93e083a7c">refine_pq</a></td></tr>
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<tr class="memdesc:a4a80540e7cdfb3e43712ffb93e083a7c"><td class="mdescLeft"> </td><td class="mdescRight">3rd level quantizer <br/></td></tr>
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<tr class="separator:a4a80540e7cdfb3e43712ffb93e083a7c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a588bd0b733c8db18eaeb7bc287afd16e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a588bd0b733c8db18eaeb7bc287afd16e"></a>
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std::vector< uint8_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a588bd0b733c8db18eaeb7bc287afd16e">refine_codes</a></td></tr>
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<tr class="memdesc:a588bd0b733c8db18eaeb7bc287afd16e"><td class="mdescLeft"> </td><td class="mdescRight">corresponding codes <br/></td></tr>
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<tr class="separator:a588bd0b733c8db18eaeb7bc287afd16e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0b02a4151ceacc070352f8b15cc0ee0b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0b02a4151ceacc070352f8b15cc0ee0b"></a>
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float </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQR.html#a0b02a4151ceacc070352f8b15cc0ee0b">k_factor</a></td></tr>
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<tr class="memdesc:a0b02a4151ceacc070352f8b15cc0ee0b"><td class="mdescLeft"> </td><td class="mdescRight">factor between k requested in search and the k requested from the IVFPQ <br/></td></tr>
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<tr class="inherit_header pub_attribs_structfaiss_1_1IndexIVFPQ"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1IndexIVFPQ')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1IndexIVFPQ.html">faiss::IndexIVFPQ</a></td></tr>
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<tr class="memitem:afd13b471df293ae5a6e895704c69a4c3 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afd13b471df293ae5a6e895704c69a4c3"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#afd13b471df293ae5a6e895704c69a4c3">by_residual</a></td></tr>
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<tr class="memdesc:afd13b471df293ae5a6e895704c69a4c3 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">Encode residual or plain vector? <br/></td></tr>
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<tr class="memitem:a1c66ff073c18a1edbe8444c24d870583 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1c66ff073c18a1edbe8444c24d870583"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a1c66ff073c18a1edbe8444c24d870583">use_precomputed_table</a></td></tr>
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<tr class="memdesc:a1c66ff073c18a1edbe8444c24d870583 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">if by_residual, build precompute tables <br/></td></tr>
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<tr class="memitem:a31c6fb2faa4dadea4c0594338be7be90 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a31c6fb2faa4dadea4c0594338be7be90"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a31c6fb2faa4dadea4c0594338be7be90">code_size</a></td></tr>
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<tr class="memdesc:a31c6fb2faa4dadea4c0594338be7be90 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">code size per vector in bytes <br/></td></tr>
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<tr class="separator:a31c6fb2faa4dadea4c0594338be7be90 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a007303be116c8da65b6d058e3fc77d16 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a007303be116c8da65b6d058e3fc77d16"></a>
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<a class="el" href="structfaiss_1_1ProductQuantizer.html">ProductQuantizer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a007303be116c8da65b6d058e3fc77d16">pq</a></td></tr>
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<tr class="memdesc:a007303be116c8da65b6d058e3fc77d16 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">produces the codes <br/></td></tr>
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<tr class="memitem:a9d5373633df7a9bec4de69400b9adeed inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9d5373633df7a9bec4de69400b9adeed"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a9d5373633df7a9bec4de69400b9adeed">do_polysemous_training</a></td></tr>
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<tr class="memdesc:a9d5373633df7a9bec4de69400b9adeed inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">reorder PQ centroids after training? <br/></td></tr>
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<tr class="memitem:a2b14cbb5acb3fc28a4df8fde3f5567cd inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2b14cbb5acb3fc28a4df8fde3f5567cd"></a>
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<a class="el" href="structfaiss_1_1PolysemousTraining.html">PolysemousTraining</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a2b14cbb5acb3fc28a4df8fde3f5567cd">polysemous_training</a></td></tr>
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<tr class="memdesc:a2b14cbb5acb3fc28a4df8fde3f5567cd inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">if NULL, use default <br/></td></tr>
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<tr class="separator:a2b14cbb5acb3fc28a4df8fde3f5567cd inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7430fc4fa030c96497abced3b68358d4 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7430fc4fa030c96497abced3b68358d4"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a7430fc4fa030c96497abced3b68358d4">scan_table_threshold</a></td></tr>
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<tr class="memdesc:a7430fc4fa030c96497abced3b68358d4 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">use table computation or on-the-fly? <br/></td></tr>
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<tr class="memitem:a77501995b3671e377102d2db1a93ade4 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a77501995b3671e377102d2db1a93ade4"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a77501995b3671e377102d2db1a93ade4">max_codes</a></td></tr>
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<tr class="memdesc:a77501995b3671e377102d2db1a93ade4 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">max nb of codes to visit to do a query <br/></td></tr>
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<tr class="separator:a77501995b3671e377102d2db1a93ade4 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3093a0a3e128eafce6e0583b75e9662e inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3093a0a3e128eafce6e0583b75e9662e"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a3093a0a3e128eafce6e0583b75e9662e">polysemous_ht</a></td></tr>
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<tr class="memdesc:a3093a0a3e128eafce6e0583b75e9662e inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="mdescLeft"> </td><td class="mdescRight">Hamming thresh for polysemous filtering. <br/></td></tr>
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<tr class="separator:a3093a0a3e128eafce6e0583b75e9662e inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0fa686cc6607c74bdaefede2e0d57805 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0fa686cc6607c74bdaefede2e0d57805"></a>
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std::vector< std::vector<br class="typebreak"/>
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< uint8_t > > </td><td class="memItemRight" valign="bottom"><b>codes</b></td></tr>
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<tr class="memitem:a9b310195d610c3e326471b3758206b59 inherit pub_attribs_structfaiss_1_1IndexIVFPQ"><td class="memItemLeft" align="right" valign="top">std::vector< float > </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFPQ.html#a9b310195d610c3e326471b3758206b59">precomputed_table</a></td></tr>
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<tr class="inherit_header pub_attribs_structfaiss_1_1IndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1IndexIVF')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a></td></tr>
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<tr class="memitem:ab38fde4c923abefc4185eb7450b5b95b inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab38fde4c923abefc4185eb7450b5b95b"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b">nlist</a></td></tr>
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<tr class="memdesc:ab38fde4c923abefc4185eb7450b5b95b inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">number of possible key values <br/></td></tr>
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<tr class="memitem:affed235eadf27a13d753ee4d33a1dc58 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="affed235eadf27a13d753ee4d33a1dc58"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58">nprobe</a></td></tr>
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<tr class="memdesc:affed235eadf27a13d753ee4d33a1dc58 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">number of probes at query time <br/></td></tr>
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<tr class="memitem:a4b40cc7a70dff41196a3b8769586667a inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4b40cc7a70dff41196a3b8769586667a"></a>
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<a class="el" href="structfaiss_1_1Index.html">Index</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a">quantizer</a></td></tr>
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<tr class="memdesc:a4b40cc7a70dff41196a3b8769586667a inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">quantizer that maps vectors to inverted lists <br/></td></tr>
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<tr class="memitem:a23ee7f75f8be4472a17778f2b33875de inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a23ee7f75f8be4472a17778f2b33875de"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a23ee7f75f8be4472a17778f2b33875de">quantizer_trains_alone</a></td></tr>
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<tr class="memdesc:a23ee7f75f8be4472a17778f2b33875de inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">just pass over the trainset to quantizer <br/></td></tr>
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<tr class="memitem:aed2e9757ad5f3c234fd8ad60175a2a73 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aed2e9757ad5f3c234fd8ad60175a2a73"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#aed2e9757ad5f3c234fd8ad60175a2a73">own_fields</a></td></tr>
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<tr class="memdesc:aed2e9757ad5f3c234fd8ad60175a2a73 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">whether object owns the quantizer <br/></td></tr>
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<tr class="separator:aed2e9757ad5f3c234fd8ad60175a2a73 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9746bcd42ecec1501f221e918b25e8e7 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9746bcd42ecec1501f221e918b25e8e7"></a>
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<a class="el" href="structfaiss_1_1ClusteringParameters.html">ClusteringParameters</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a9746bcd42ecec1501f221e918b25e8e7">cp</a></td></tr>
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<tr class="memdesc:a9746bcd42ecec1501f221e918b25e8e7 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">to override default clustering params <br/></td></tr>
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<tr class="separator:a9746bcd42ecec1501f221e918b25e8e7 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af16d325f5bef22b2e5f90ceea796e80d inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af16d325f5bef22b2e5f90ceea796e80d"></a>
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std::vector< std::vector< long > > </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#af16d325f5bef22b2e5f90ceea796e80d">ids</a></td></tr>
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<tr class="memdesc:af16d325f5bef22b2e5f90ceea796e80d inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Inverted lists for indexes. <br/></td></tr>
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<tr class="separator:af16d325f5bef22b2e5f90ceea796e80d inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aedd0c14b5654295b291638ec7f9f9517 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aedd0c14b5654295b291638ec7f9f9517"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517">maintain_direct_map</a></td></tr>
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<tr class="memdesc:aedd0c14b5654295b291638ec7f9f9517 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">map for direct access to the elements. Enables <a class="el" href="structfaiss_1_1Index.html#aaef6f4132b1f390121ebb11058baf190">reconstruct()</a>. <br/></td></tr>
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<tr class="separator:aedd0c14b5654295b291638ec7f9f9517 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a59fcfc4625260315c6423adc21d31ce9 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a59fcfc4625260315c6423adc21d31ce9"></a>
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std::vector< long > </td><td class="memItemRight" valign="bottom"><b>direct_map</b></td></tr>
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<tr class="separator:a59fcfc4625260315c6423adc21d31ce9 inherit pub_attribs_structfaiss_1_1IndexIVF"><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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<tr class="separator:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><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="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> with an additional level of PQ refinement </p>
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<p>Definition at line <a class="el" href="IndexIVFPQ_8h_source.html#l00198">198</a> of file <a class="el" href="IndexIVFPQ_8h_source.html">IndexIVFPQ.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a4b6154a5194d574d037ba78c137a2fa5"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">void faiss::IndexIVFPQR::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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<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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<tr>
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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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</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">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>Same as add, but stores xids instead of sequential ids.</p>
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<p>The default implementation fails with an assertion, as it is not supported by all indexes.</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">xids</td><td>if non-null, ids to store for the vectors (size n) </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_1IndexIVFPQ.html#a981c2748bfbd9b018494f119279a0342">faiss::IndexIVFPQ</a>.</p>
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<p>Definition at line <a class="el" href="IndexIVFPQ_8cpp_source.html#l01233">1233</a> of file <a class="el" href="IndexIVFPQ_8cpp_source.html">IndexIVFPQ.cpp</a>.</p>
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</div>
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</div>
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<td class="memname">void faiss::IndexIVFPQR::reconstruct_n </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>i0</em>, </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>ni</em>, </td>
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<td class="paramtype">float * </td>
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<td class="paramname"><em>recons</em> </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">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Reconstruct a subset of the indexed 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">i0</td><td>first vector to reconstruct </td></tr>
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<tr><td class="paramname">ni</td><td>nb of vectors to reconstruct </td></tr>
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<tr><td class="paramname">recons</td><td>output array of reconstructed vectors, size ni * d </td></tr>
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<p>Reimplemented from <a class="el" href="structfaiss_1_1IndexIVFPQ.html#a1df10e9e5f4ff0dabf283f19ad94bbd4">faiss::IndexIVFPQ</a>.</p>
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<p>Definition at line <a class="el" href="IndexIVFPQ_8cpp_source.html#l01345">1345</a> of file <a class="el" href="IndexIVFPQ_8cpp_source.html">IndexIVFPQ.cpp</a>.</p>
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<td class="memname">long faiss::IndexIVFPQR::remove_ids </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="structfaiss_1_1IDSelector.html">IDSelector</a> & </td>
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<td class="paramname"><em>sel</em></td><td>)</td>
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<td></td>
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<p>removes IDs from the index. Not supported by all indexes </p>
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<p>Reimplemented from <a class="el" href="structfaiss_1_1IndexIVFPQ.html#ad9fa584ac2e12e9b9bb25a737efcc4d9">faiss::IndexIVFPQ</a>.</p>
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<p>Definition at line <a class="el" href="IndexIVFPQ_8cpp_source.html#l01371">1371</a> of file <a class="el" href="IndexIVFPQ_8cpp_source.html">IndexIVFPQ.cpp</a>.</p>
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<td class="memname">void faiss::IndexIVFPQR::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="paramtype">const float * </td>
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<td class="paramname"><em>x</em>, </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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<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="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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<td>)</td>
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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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<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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<p>Reimplemented from <a class="el" href="structfaiss_1_1IndexIVFPQ.html#afa7c9a7ae0316d2a05acb60ab2b7a31a">faiss::IndexIVFPQ</a>.</p>
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<p>Definition at line <a class="el" href="IndexIVFPQ_8cpp_source.html#l01256">1256</a> of file <a class="el" href="IndexIVFPQ_8cpp_source.html">IndexIVFPQ.cpp</a>.</p>
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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="IndexIVFPQ_8h_source.html">IndexIVFPQ.h</a></li>
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<li>/data/users/matthijs/github_faiss/faiss/<a class="el" href="IndexIVFPQ_8cpp_source.html">IndexIVFPQ.cpp</a></li>
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