• Lucas Hosseini's avatar
    Facebook sync (May 2019) + relicense (#838) · a8118acb
    Lucas Hosseini authored
    Changelog:
    
    - changed license: BSD+Patents -> MIT
    - propagates exceptions raised in sub-indexes of IndexShards and IndexReplicas
    - support for searching several inverted lists in parallel (parallel_mode != 0)
    - better support for PQ codes where nbit != 8 or 16
    - IVFSpectralHash implementation: spectral hash codes inside an IVF
    - 6-bit per component scalar quantizer (4 and 8 bit were already supported)
    - combinations of inverted lists: HStackInvertedLists and VStackInvertedLists
    - configurable number of threads for OnDiskInvertedLists prefetching (including 0=no prefetch)
    - more test and demo code compatible with Python 3 (print with parentheses)
    - refactored benchmark code: data loading is now in a single file
    Unverified
    a8118acb
structfaiss_1_1ProductQuantizer_1_1PQEncoderGeneric.html 9.37 KB
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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_1ProductQuantizer.html">ProductQuantizer</a></li><li class="navelem"><a class="el" href="structfaiss_1_1ProductQuantizer_1_1PQEncoderGeneric.html">PQEncoderGeneric</a></li>  </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
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&#160;</td><td class="memItemRight" valign="bottom"><b>PQEncoderGeneric</b> (uint8_t *<a class="el" href="structfaiss_1_1ProductQuantizer_1_1PQEncoderGeneric.html#ad0303ebf67310a2abd064e7ff3215057">code</a>, int <a class="el" href="structfaiss_1_1ProductQuantizer_1_1PQEncoderGeneric.html#a91b56a2563f5c58bb9492272cacf42f3">nbits</a>, uint8_t offset=0)</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>encode</b> (uint64_t x)</td></tr>
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Public Attributes</h2></td></tr>
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uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1ProductQuantizer_1_1PQEncoderGeneric.html#ad0303ebf67310a2abd064e7ff3215057">code</a></td></tr>
<tr class="memdesc:ad0303ebf67310a2abd064e7ff3215057"><td class="mdescLeft">&#160;</td><td class="mdescRight">code for this vector <br/></td></tr>
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uint8_t&#160;</td><td class="memItemRight" valign="bottom"><b>offset</b></td></tr>
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const int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1ProductQuantizer_1_1PQEncoderGeneric.html#a91b56a2563f5c58bb9492272cacf42f3">nbits</a></td></tr>
<tr class="memdesc:a91b56a2563f5c58bb9492272cacf42f3"><td class="mdescLeft">&#160;</td><td class="mdescRight">number of bits per subquantizer index <br/></td></tr>
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uint8_t&#160;</td><td class="memItemRight" valign="bottom"><b>reg</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>Definition at line <a class="el" href="ProductQuantizer_8h_source.html#l00177">177</a> of file <a class="el" href="ProductQuantizer_8h_source.html">ProductQuantizer.h</a>.</p>
</div><hr/>The documentation for this struct was generated from the following files:<ul>
<li>/data/users/hoss/faiss/<a class="el" href="ProductQuantizer_8h_source.html">ProductQuantizer.h</a></li>
<li>/data/users/hoss/faiss/<a class="el" href="ProductQuantizer_8cpp_source.html">ProductQuantizer.cpp</a></li>
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