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<li class="navelem"><a class="el" href="namespacefaiss.html">faiss</a></li><li class="navelem"><b>gpu</b></li><li class="navelem"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html">GpuIndexIVFFlat</a></li> </ul>
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<p><code>#include <<a class="el" href="GpuIndexIVFFlat_8h_source.html">GpuIndexIVFFlat.h</a>></code></p>
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Inheritance diagram for faiss::gpu::GpuIndexIVFFlat:</div>
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<area href="structfaiss_1_1Index.html" alt="faiss::Index" shape="rect" coords="0,0,165,24"/>
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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:a45d2407896ded570f07e4a606b45b989"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a45d2407896ded570f07e4a606b45b989">GpuIndexIVFFlat</a> (<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> *resources, int device, bool useFloat16CoarseQuantizer, bool useFloat16IVFStorage, int dims, int nlist, IndicesOptions indicesOptions, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> metric)</td></tr>
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<tr class="memitem:a3f5ea5d411a9b03a8b072af6df29dd25"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3f5ea5d411a9b03a8b072af6df29dd25">GpuIndexIVFFlat</a> (<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> *resources, int device, <a class="el" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">GpuIndexFlat</a> *quantizer, bool useFloat16, int dims, int nlist, IndicesOptions indicesOptions, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> metric)</td></tr>
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<tr class="separator:a3f5ea5d411a9b03a8b072af6df29dd25"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a329d7734f1285788d10c1fbf1f88d72f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a329d7734f1285788d10c1fbf1f88d72f"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a329d7734f1285788d10c1fbf1f88d72f">reserveMemory</a> (size_t numVecs)</td></tr>
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<tr class="memdesc:a329d7734f1285788d10c1fbf1f88d72f"><td class="mdescLeft"> </td><td class="mdescRight">Reserve GPU memory in our inverted lists for this number of vectors. <br/></td></tr>
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<tr class="separator:a329d7734f1285788d10c1fbf1f88d72f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a96fd66c31c7e46b1549ed61d1b3476f3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a96fd66c31c7e46b1549ed61d1b3476f3">copyFrom</a> (const <a class="el" href="structfaiss_1_1IndexIVFFlat.html">faiss::IndexIVFFlat</a> *index)</td></tr>
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<tr class="separator:a96fd66c31c7e46b1549ed61d1b3476f3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a345980d7ae4b5baadf93f647fc6cb0b1"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a345980d7ae4b5baadf93f647fc6cb0b1">copyTo</a> (<a class="el" href="structfaiss_1_1IndexIVFFlat.html">faiss::IndexIVFFlat</a> *index) const </td></tr>
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<tr class="memitem:adaa727f3e951068501ebf381b001f3bd"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#adaa727f3e951068501ebf381b001f3bd">reclaimMemory</a> ()</td></tr>
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<tr class="memitem:a88676a893e9b44041e7a52327d960b54"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a88676a893e9b44041e7a52327d960b54"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a88676a893e9b44041e7a52327d960b54">reset</a> () override</td></tr>
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<tr class="memdesc:a88676a893e9b44041e7a52327d960b54"><td class="mdescLeft"> </td><td class="mdescRight">removes all elements from the database. <br/></td></tr>
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<tr class="memitem:a3c5b3760acb01814892fe93c72f08304"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a3c5b3760acb01814892fe93c72f08304">train</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">Index::idx_t</a> n, const float *x) override</td></tr>
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<tr class="memitem:a99c11ab640b70725d5975763e7393894"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#a99c11ab640b70725d5975763e7393894">add_with_ids</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">Index::idx_t</a> n, const float *x, const <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">Index::idx_t</a> *xids) override</td></tr>
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<tr class="memitem:ad101d8f209f3a269ef75d8d5797ec56f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVFFlat.html#ad101d8f209f3a269ef75d8d5797ec56f">search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a> *labels) const override</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>set_typename</b> () override</td></tr>
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<tr class="inherit_header pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html">faiss::gpu::GpuIndexIVF</a></td></tr>
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<tr class="memitem:a4c67e5cc1ba673a6a7024a54fdefff67 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4c67e5cc1ba673a6a7024a54fdefff67"></a>
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 </td><td class="memItemRight" valign="bottom"><b>GpuIndexIVF</b> (<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> *resources, int device, IndicesOptions indicesOptions, bool useFloat16CoarseQuantizer, int dims, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> metric, int nlist)</td></tr>
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<tr class="memitem:aa76ce227d84de67fd40f0bc534bf9e10 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa76ce227d84de67fd40f0bc534bf9e10"></a>
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 </td><td class="memItemRight" valign="bottom"><b>GpuIndexIVF</b> (<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> *resources, int device, IndicesOptions indicesOptions, int dims, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> metric, int nlist, <a class="el" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">GpuIndexFlat</a> *quantizer)</td></tr>
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<tr class="separator:aa76ce227d84de67fd40f0bc534bf9e10 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a91eb7171dbec0d09b8a1a6ae86a03b3e inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a91eb7171dbec0d09b8a1a6ae86a03b3e"></a>
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IndicesOptions </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a91eb7171dbec0d09b8a1a6ae86a03b3e">getIndicesOptions</a> () const </td></tr>
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<tr class="memdesc:a91eb7171dbec0d09b8a1a6ae86a03b3e inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">What indices storage options are we using? <br/></td></tr>
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<tr class="memitem:a9b678cc83dedf93dfc6a31782f9405ed inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9b678cc83dedf93dfc6a31782f9405ed"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a9b678cc83dedf93dfc6a31782f9405ed">getUseFloat16CoarseQuantizer</a> () const </td></tr>
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<tr class="memdesc:a9b678cc83dedf93dfc6a31782f9405ed inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Is our coarse quantizer storing and performing math in float16? <br/></td></tr>
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<tr class="memitem:a94c2c171f9a2d27085dea9101067bdf2 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a94c2c171f9a2d27085dea9101067bdf2"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a94c2c171f9a2d27085dea9101067bdf2">copyFrom</a> (const <a class="el" href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a> *index)</td></tr>
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<tr class="memdesc:a94c2c171f9a2d27085dea9101067bdf2 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Copy what we need from the CPU equivalent. <br/></td></tr>
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<tr class="separator:a94c2c171f9a2d27085dea9101067bdf2 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1db0a796b8b2917d989952c5f07fbe55 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1db0a796b8b2917d989952c5f07fbe55"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1db0a796b8b2917d989952c5f07fbe55">copyTo</a> (<a class="el" href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a> *index) const </td></tr>
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<tr class="memdesc:a1db0a796b8b2917d989952c5f07fbe55 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Copy what we have to the CPU equivalent. <br/></td></tr>
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<tr class="separator:a1db0a796b8b2917d989952c5f07fbe55 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a43a63e93d55b79eac38173f219743ddf inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a43a63e93d55b79eac38173f219743ddf"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a43a63e93d55b79eac38173f219743ddf">getNumLists</a> () const </td></tr>
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<tr class="memdesc:a43a63e93d55b79eac38173f219743ddf inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of inverted lists we're managing. <br/></td></tr>
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<tr class="separator:a43a63e93d55b79eac38173f219743ddf inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1efac4b9801d57fa6d0085d6aed9c1f2 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1efac4b9801d57fa6d0085d6aed9c1f2"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a1efac4b9801d57fa6d0085d6aed9c1f2">setNumProbes</a> (int nprobe)</td></tr>
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<tr class="memdesc:a1efac4b9801d57fa6d0085d6aed9c1f2 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Sets the number of list probes per query. <br/></td></tr>
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<tr class="memitem:a13bce124f8acada641daf60d6edddb33 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a13bce124f8acada641daf60d6edddb33"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a13bce124f8acada641daf60d6edddb33">getNumProbes</a> () const </td></tr>
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<tr class="memdesc:a13bce124f8acada641daf60d6edddb33 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Returns our current number of list probes per query. <br/></td></tr>
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<tr class="separator:a13bce124f8acada641daf60d6edddb33 inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ace41857c97a357284acbe4556c9da3da inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#ace41857c97a357284acbe4556c9da3da">add</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">Index::idx_t</a> n, const float *x) override</td></tr>
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<tr class="separator:ace41857c97a357284acbe4556c9da3da inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classfaiss_1_1gpu_1_1GpuIndex')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classfaiss_1_1gpu_1_1GpuIndex.html">faiss::gpu::GpuIndex</a></td></tr>
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<tr class="memitem:a3d4297852b063b2537ca8b73ba30953c inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3d4297852b063b2537ca8b73ba30953c"></a>
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 </td><td class="memItemRight" valign="bottom"><b>GpuIndex</b> (<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> *resources, int device, int dims, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> metric)</td></tr>
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<tr class="separator:a3d4297852b063b2537ca8b73ba30953c inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a88b10d410c10fa8667c394ee7fbfbdbc inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a88b10d410c10fa8667c394ee7fbfbdbc"></a>
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int </td><td class="memItemRight" valign="bottom"><b>getDevice</b> () const </td></tr>
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<tr class="separator:a88b10d410c10fa8667c394ee7fbfbdbc inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa40dd7a62abea6f8e8a7afdaf1e81cef inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa40dd7a62abea6f8e8a7afdaf1e81cef"></a>
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<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> * </td><td class="memItemRight" valign="bottom"><b>getResources</b> ()</td></tr>
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<tr class="separator:aa40dd7a62abea6f8e8a7afdaf1e81cef inherit pub_methods_classfaiss_1_1gpu_1_1GpuIndex"><td class="memSeparator" colspan="2"> </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="separator:a236897832a58dbb205e2d662c1929fb1 inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </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: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="separator:aaef6f4132b1f390121ebb11058baf190 inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </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="separator:a1936604fffe16b0ef2a3879305950738 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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<tr class="separator:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aae095c6209a16347262408b3346193a3 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aae095c6209a16347262408b3346193a3">get_typename</a> () const </td></tr>
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<tr class="separator:aae095c6209a16347262408b3346193a3 inherit pub_methods_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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<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:a294b7b4efde95636baed8a6691f49018 inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a294b7b4efde95636baed8a6691f49018"></a>
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std::string </td><td class="memItemRight" valign="bottom"><b>index_typename</b></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="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="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="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="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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<tr class="inherit_header pro_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classfaiss_1_1gpu_1_1GpuIndexIVF')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html">faiss::gpu::GpuIndexIVF</a></td></tr>
|
||
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<tr class="memitem:a8d590e207ff158c1d17df627891f21c4 inherit pro_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8d590e207ff158c1d17df627891f21c4"></a>
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void </td><td class="memItemRight" valign="bottom"><b>trainQuantizer_</b> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a> n, const float *x)</td></tr>
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<tr class="separator:a8d590e207ff158c1d17df627891f21c4 inherit pro_methods_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
|
||
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<tr class="inherit_header pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html">faiss::gpu::GpuIndexIVF</a></td></tr>
|
||
|
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<tr class="memitem:a58e0f685aab12409eca26de01d43e39e inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a58e0f685aab12409eca26de01d43e39e"></a>
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||
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const IndicesOptions </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a58e0f685aab12409eca26de01d43e39e">indicesOptions_</a></td></tr>
|
||
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<tr class="memdesc:a58e0f685aab12409eca26de01d43e39e inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">How should indices be stored on the GPU? <br/></td></tr>
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<tr class="separator:a58e0f685aab12409eca26de01d43e39e inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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||
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<tr class="memitem:a571ba3623dd0f23ae11e5300eb6baf61 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top">const bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a571ba3623dd0f23ae11e5300eb6baf61">useFloat16CoarseQuantizer_</a></td></tr>
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<tr class="separator:a571ba3623dd0f23ae11e5300eb6baf61 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aba606c141e714fab843493cc58167494 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aba606c141e714fab843493cc58167494"></a>
|
||
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#aba606c141e714fab843493cc58167494">nlist_</a></td></tr>
|
||
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<tr class="memdesc:aba606c141e714fab843493cc58167494 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Number of inverted lists that we manage. <br/></td></tr>
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<tr class="separator:aba606c141e714fab843493cc58167494 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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||
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<tr class="memitem:a187bdcbbac02bf8fd0e6bb40a1c0426b inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a187bdcbbac02bf8fd0e6bb40a1c0426b"></a>
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||
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a187bdcbbac02bf8fd0e6bb40a1c0426b">nprobe_</a></td></tr>
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<tr class="memdesc:a187bdcbbac02bf8fd0e6bb40a1c0426b inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Number of inverted list probes per query. <br/></td></tr>
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<tr class="separator:a187bdcbbac02bf8fd0e6bb40a1c0426b inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab493fc0176caab18976363b984832381 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab493fc0176caab18976363b984832381"></a>
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||
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<a class="el" href="structfaiss_1_1ClusteringParameters.html">ClusteringParameters</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#ab493fc0176caab18976363b984832381">cp_</a></td></tr>
|
||
|
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<tr class="memdesc:ab493fc0176caab18976363b984832381 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Ability to override default clustering parameters. <br/></td></tr>
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<tr class="separator:ab493fc0176caab18976363b984832381 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aaa7dd748e3cbd7ef68f2e384ac503eab inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaa7dd748e3cbd7ef68f2e384ac503eab"></a>
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<a class="el" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">GpuIndexFlat</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#aaa7dd748e3cbd7ef68f2e384ac503eab">quantizer_</a></td></tr>
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||
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<tr class="memdesc:aaa7dd748e3cbd7ef68f2e384ac503eab inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Quantizer for inverted lists. <br/></td></tr>
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<tr class="separator:aaa7dd748e3cbd7ef68f2e384ac503eab inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
|
||
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<tr class="memitem:a13c34dd6df2fb042bade2a37f7a525f8 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a13c34dd6df2fb042bade2a37f7a525f8"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexIVF.html#a13c34dd6df2fb042bade2a37f7a525f8">ownsQuantizer_</a></td></tr>
|
||
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<tr class="memdesc:a13c34dd6df2fb042bade2a37f7a525f8 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Do we own the above quantizer instance? <br/></td></tr>
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||
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<tr class="separator:a13c34dd6df2fb042bade2a37f7a525f8 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
|
||
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<tr class="inherit_header pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classfaiss_1_1gpu_1_1GpuIndex')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classfaiss_1_1gpu_1_1GpuIndex.html">faiss::gpu::GpuIndex</a></td></tr>
|
||
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<tr class="memitem:a17b82a8a11783da6eb1b07c9aab98c36 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a17b82a8a11783da6eb1b07c9aab98c36"></a>
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||
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<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndex.html#a17b82a8a11783da6eb1b07c9aab98c36">resources_</a></td></tr>
|
||
|
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<tr class="memdesc:a17b82a8a11783da6eb1b07c9aab98c36 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td class="mdescLeft"> </td><td class="mdescRight">Manages streans, cuBLAS handles and scratch memory for devices. <br/></td></tr>
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<tr class="separator:a17b82a8a11783da6eb1b07c9aab98c36 inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td class="memSeparator" colspan="2"> </td></tr>
|
||
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<tr class="memitem:a27b56209183310c8d57ffda796f02c6c inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a27b56209183310c8d57ffda796f02c6c"></a>
|
||
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndex.html#a27b56209183310c8d57ffda796f02c6c">device_</a></td></tr>
|
||
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<tr class="memdesc:a27b56209183310c8d57ffda796f02c6c inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td class="mdescLeft"> </td><td class="mdescRight">The GPU device we are resident on. <br/></td></tr>
|
||
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<tr class="separator:a27b56209183310c8d57ffda796f02c6c inherit pro_attribs_classfaiss_1_1gpu_1_1GpuIndex"><td class="memSeparator" colspan="2"> </td></tr>
|
||
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</table>
|
||
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||
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<div class="textblock"><p>Wrapper around the GPU implementation that looks like <a class="el" href="structfaiss_1_1IndexIVFFlat.html">faiss::IndexIVFFlat</a> </p>
|
||
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|
||
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8h_source.html#l00025">25</a> of file <a class="el" href="GpuIndexIVFFlat_8h_source.html">GpuIndexIVFFlat.h</a>.</p>
|
||
|
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
|
||
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<a class="anchor" id="a45d2407896ded570f07e4a606b45b989"></a>
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<div class="memitem">
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||
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">faiss::gpu::GpuIndexIVFFlat::GpuIndexIVFFlat </td>
|
||
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<td>(</td>
|
||
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<td class="paramtype"><a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> * </td>
|
||
|
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<td class="paramname"><em>resources</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">int </td>
|
||
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<td class="paramname"><em>device</em>, </td>
|
||
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</tr>
|
||
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<tr>
|
||
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<td class="paramkey"></td>
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||
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<td></td>
|
||
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<td class="paramtype">bool </td>
|
||
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<td class="paramname"><em>useFloat16CoarseQuantizer</em>, </td>
|
||
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</tr>
|
||
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<tr>
|
||
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<td class="paramkey"></td>
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||
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<td></td>
|
||
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<td class="paramtype">bool </td>
|
||
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<td class="paramname"><em>useFloat16IVFStorage</em>, </td>
|
||
|
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</tr>
|
||
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<tr>
|
||
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<td class="paramkey"></td>
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||
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<td></td>
|
||
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<td class="paramtype">int </td>
|
||
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<td class="paramname"><em>dims</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">int </td>
|
||
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<td class="paramname"><em>nlist</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">IndicesOptions </td>
|
||
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<td class="paramname"><em>indicesOptions</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"><a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> </td>
|
||
|
|
<td class="paramname"><em>metric</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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||
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</tr>
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||
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</table>
|
||
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</div><div class="memdoc">
|
||
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<p>Constructs a new instance with an empty flat quantizer; the user provides the number of lists desired. </p>
|
||
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|
||
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00026">26</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
|
||
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|
||
|
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</div>
|
||
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</div>
|
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<a class="anchor" id="a3f5ea5d411a9b03a8b072af6df29dd25"></a>
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<tr>
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||
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<td class="memname">faiss::gpu::GpuIndexIVFFlat::GpuIndexIVFFlat </td>
|
||
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<td>(</td>
|
||
|
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<td class="paramtype"><a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> * </td>
|
||
|
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<td class="paramname"><em>resources</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">int </td>
|
||
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<td class="paramname"><em>device</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"><a class="el" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">GpuIndexFlat</a> * </td>
|
||
|
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<td class="paramname"><em>quantizer</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">bool </td>
|
||
|
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<td class="paramname"><em>useFloat16</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">int </td>
|
||
|
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<td class="paramname"><em>dims</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">int </td>
|
||
|
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<td class="paramname"><em>nlist</em>, </td>
|
||
|
|
</tr>
|
||
|
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<tr>
|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
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<td class="paramtype">IndicesOptions </td>
|
||
|
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<td class="paramname"><em>indicesOptions</em>, </td>
|
||
|
|
</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"><a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">faiss::MetricType</a> </td>
|
||
|
|
<td class="paramname"><em>metric</em> </td>
|
||
|
|
</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>
|
||
|
|
</tr>
|
||
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</table>
|
||
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</div><div class="memdoc">
|
||
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<p>Call to initialize ourselves from a <a class="el" href="classfaiss_1_1gpu_1_1GpuIndexFlat.html">GpuIndexFlat</a> instance. The quantizer must match the dimension parameters specified; if populated, it must also match the number of list elements available. The index must also be present on the same device as ourselves. We do not own this quantizer instance. </p>
|
||
|
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|
||
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00058">58</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</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="a99c11ab640b70725d5975763e7393894"></a>
|
||
|
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|
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|
||
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||
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|
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<td class="memname">void faiss::gpu::GpuIndexIVFFlat::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">Index::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="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">Index::idx_t</a> * </td>
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<td class="paramname"><em>xids</em> </td>
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<td>)</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><code>x</code> and <code>xids</code> can be resident on the CPU or any GPU; the proper copies are performed </p>
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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="GpuIndexIVFFlat_8cu_source.html#l00214">214</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
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<td class="memname">void faiss::gpu::GpuIndexIVFFlat::copyFrom </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="structfaiss_1_1IndexIVFFlat.html">faiss::IndexIVFFlat</a> * </td>
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<td class="paramname"><em>index</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Initialize ourselves from the given CPU index; will overwrite all data in ourselves </p>
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00103">103</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
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<a class="anchor" id="a345980d7ae4b5baadf93f647fc6cb0b1"></a>
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<td class="memname">void faiss::gpu::GpuIndexIVFFlat::copyTo </td>
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<td>(</td>
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||
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<td class="paramtype"><a class="el" href="structfaiss_1_1IndexIVFFlat.html">faiss::IndexIVFFlat</a> * </td>
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||
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<td class="paramname"><em>index</em></td><td>)</td>
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<td> const</td>
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</div><div class="memdoc">
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<p>Copy ourselves to the given CPU index; will overwrite all data in the index instance </p>
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||
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00141">141</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
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<a class="anchor" id="adaa727f3e951068501ebf381b001f3bd"></a>
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<div class="memitem">
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<td class="memname">size_t faiss::gpu::GpuIndexIVFFlat::reclaimMemory </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>After adding vectors, one can call this to reclaim device memory to exactly the amount needed. Returns space reclaimed in bytes </p>
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00163">163</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
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<a class="anchor" id="ad101d8f209f3a269ef75d8d5797ec56f"></a>
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">void faiss::gpu::GpuIndexIVFFlat::search </td>
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<td>(</td>
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||
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::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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</tr>
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||
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<tr>
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||
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<td class="paramkey"></td>
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<td></td>
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||
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">faiss::Index::idx_t</a> </td>
|
||
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<td class="paramname"><em>k</em>, </td>
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||
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</tr>
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||
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<tr>
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||
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<td class="paramkey"></td>
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<td></td>
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||
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<td class="paramtype">float * </td>
|
||
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<td class="paramname"><em>distances</em>, </td>
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</tr>
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||
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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">faiss::Index::idx_t</a> * </td>
|
||
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<td class="paramname"><em>labels</em> </td>
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||
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</tr>
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<tr>
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||
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<td></td>
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<td>)</td>
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||
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<td></td><td> const</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>
|
||
|
|
</div><div class="memdoc">
|
||
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<p><code>x</code>, <code>distances</code> and <code>labels</code> can be resident on the CPU or any GPU; copies are performed as needed </p>
|
||
|
|
|
||
|
|
<p>Implements <a class="el" href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index</a>.</p>
|
||
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||
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00244">244</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
|
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</div>
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</div>
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<a class="anchor" id="a3c5b3760acb01814892fe93c72f08304"></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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<td class="memname">void faiss::gpu::GpuIndexIVFFlat::train </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">Index::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>
|
||
|
|
<td class="paramkey"></td>
|
||
|
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<td></td>
|
||
|
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<td class="paramtype">const float * </td>
|
||
|
|
<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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|
||
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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>
|
||
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
|
<table class="params">
|
||
|
|
<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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||
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<p>Reimplemented from <a class="el" href="structfaiss_1_1Index.html#a8f67dfd73993e192dc78f2c93d9d9532">faiss::Index</a>.</p>
|
||
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||
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<p>Definition at line <a class="el" href="GpuIndexIVFFlat_8cu_source.html#l00186">186</a> of file <a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a>.</p>
|
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|
||
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||
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</div>
|
||
|
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<hr/>The documentation for this class was generated from the following files:<ul>
|
||
|
|
<li>/data/users/matthijs/github_faiss/faiss/gpu/<a class="el" href="GpuIndexIVFFlat_8h_source.html">GpuIndexIVFFlat.h</a></li>
|
||
|
|
<li>/data/users/matthijs/github_faiss/faiss/gpu/<a class="el" href="GpuIndexIVFFlat_8cu_source.html">GpuIndexIVFFlat.cu</a></li>
|
||
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</a> 1.8.5
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