• 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
    a8118acb
classfaiss_1_1gpu_1_1BinaryFlatIndex.html 12.1 KB
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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_1BinaryFlatIndex.html">BinaryFlatIndex</a></li>  </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="title">faiss::gpu::BinaryFlatIndex Class Reference</div>  </div>
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<p>Holder of GPU resources for a particular flat index.  
 <a href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html#details">More...</a></p>
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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>BinaryFlatIndex</b> (<a class="el" href="classfaiss_1_1gpu_1_1GpuResources.html">GpuResources</a> *res, int dim, MemorySpace space)</td></tr>
<tr class="separator:a1067a5f135486b6edb9d8b32c8036fcf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa3440ccb9bc693cbc89386b8cc981565"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa3440ccb9bc693cbc89386b8cc981565"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa3440ccb9bc693cbc89386b8cc981565">getSize</a> () const </td></tr>
<tr class="memdesc:aa3440ccb9bc693cbc89386b8cc981565"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the number of vectors we contain. <br/></td></tr>
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<tr class="memitem:ad1ad4c1cf5a2fab98010d7e866ac0868"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad1ad4c1cf5a2fab98010d7e866ac0868"></a>
int&#160;</td><td class="memItemRight" valign="bottom"><b>getDim</b> () const </td></tr>
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<tr class="memitem:a897e1b584bda7a949e5e8644d0bc972b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a897e1b584bda7a949e5e8644d0bc972b"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a897e1b584bda7a949e5e8644d0bc972b">reserve</a> (size_t numVecs, cudaStream_t stream)</td></tr>
<tr class="memdesc:a897e1b584bda7a949e5e8644d0bc972b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reserve storage that can contain at least this many vectors. <br/></td></tr>
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<a class="el" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor</a>&lt; unsigned char, 2, true &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a0cc143e913b7a06e3ed31e5a6b546a6b">getVectorsRef</a> ()</td></tr>
<tr class="memdesc:a0cc143e913b7a06e3ed31e5a6b546a6b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a reference to our vectors currently in use. <br/></td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>query</b> (<a class="el" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor</a>&lt; unsigned char, 2, true &gt; &amp;vecs, int k, <a class="el" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor</a>&lt; int, 2, true &gt; &amp;outDistances, <a class="el" href="classfaiss_1_1gpu_1_1Tensor.html">Tensor</a>&lt; int, 2, true &gt; &amp;outIndices)</td></tr>
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<tr class="memitem:aa633251a14afbbf6a6652ae193b68790"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html#aa633251a14afbbf6a6652ae193b68790">add</a> (const unsigned char *data, int numVecs, cudaStream_t stream)</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classfaiss_1_1gpu_1_1BinaryFlatIndex.html#a6b31cef9564d47f0d188ae34c4b5eacc">reset</a> ()</td></tr>
<tr class="memdesc:a6b31cef9564d47f0d188ae34c4b5eacc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Free all storage. <br/></td></tr>
<tr class="separator:a6b31cef9564d47f0d188ae34c4b5eacc"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Holder of GPU resources for a particular flat index. </p>

<p>Definition at line <a class="el" href="BinaryFlatIndex_8cuh_source.html#l00020">20</a> of file <a class="el" href="BinaryFlatIndex_8cuh_source.html">BinaryFlatIndex.cuh</a>.</p>
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          <td class="memname">void faiss::gpu::BinaryFlatIndex::add </td>
          <td>(</td>
          <td class="paramtype">const unsigned char *&#160;</td>
          <td class="paramname"><em>data</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>numVecs</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">cudaStream_t&#160;</td>
          <td class="paramname"><em>stream</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Add vectors to ourselves; the pointer passed can be on the host or the device </p>

<p>Definition at line <a class="el" href="BinaryFlatIndex_8cu_source.html#l00062">62</a> of file <a class="el" href="BinaryFlatIndex_8cu_source.html">BinaryFlatIndex.cu</a>.</p>

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<hr/>The documentation for this class was generated from the following files:<ul>
<li>/data/users/hoss/faiss/gpu/impl/<a class="el" href="BinaryFlatIndex_8cuh_source.html">BinaryFlatIndex.cuh</a></li>
<li>/data/users/hoss/faiss/gpu/impl/<a class="el" href="BinaryFlatIndex_8cu_source.html">BinaryFlatIndex.cu</a></li>
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