Check Deng 9b1982262a Add ProductAdditiveQuantizer (#2286) ...

Summary:
This diff added ProductAdditiveQuantizer.

A Simple Algo description:

1. Divide the vector space into several orthogonal sub-spaces, just like PQ does.
2. Quantize each sub-space by an independent additive quantizer.

Usage:

Construct a ProductAdditiveQuantizer object:
- `d`: dimensionality of the input vectors
- `nsplits`: number of sub-spaces divided into
- `Msub`: `M` of each additive quantizer
- `nbits`: `nbits` of each additive quantizer

```python
d = 128
nsplits = 2
Msub = 4
nbits = 8
plsq = faiss.ProductLocalSearchQuantizer(d, nsplits, Msub, nbits)
prq = faiss.ProductResidualQuantizer(d, nsplits, Msub, nbits)
```

Pull Request resolved: https://github.com/facebookresearch/faiss/pull/2286

Test Plan:
```

buck test //faiss/tests/:test_local_search_quantizer -- TestProductLocalSearchQuantizer

buck test //faiss/tests/:test_residual_quantizer -- TestProductResidualQuantizer

```

Reviewed By: alexanderguzhva

Differential Revision: D35907702

Pulled By: mdouze

fbshipit-source-id: 7428a196e6bd323569caa585c57281dd70e547b1

2022-05-05 15:14:07 -07:00

..

CMakeLists.txt

Reduce mem usage + improve performance for sequential search imlementation

2021-10-05 15:54:04 -07:00

common_faiss_tests.py

…

test_autotune.py

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test_binary_factory.py

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test_binary_flat.cpp

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test_binary_hashindex.py

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test_binary_io.py

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test_build_blocks.py

Fix reconstruct bug when by_residual is false (#2298)

2022-04-20 01:35:21 -07:00

test_clustering.py

Non-uniform quantization of vector norms (#2037)

2021-10-11 14:13:16 -07:00

test_contrib_with_scipy.py

contrib clustering module (#2217)

2022-02-28 14:18:47 -08:00

test_contrib.py

fix test in test_contrib (#2294)

2022-04-20 03:03:38 -07:00

test_dealloc_invlists.cpp

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test_documentation.py

Generate python docstrings from doxygen comments. (#1969)

2021-10-10 22:14:48 -07:00

test_doxygen_documentation.py

Generate python docstrings from doxygen comments. (#1969)

2021-10-10 22:14:48 -07:00

test_extra_distances.py

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test_factory.py

fbcode//faiss/tests

2022-04-25 17:55:46 -07:00

test_fast_scan_ivf.py

make fast scan tests cheaper (#2251)

2022-03-16 13:23:07 -07:00

test_fast_scan.py

Support reconstruct() in IndexFastScan (#2287)

2022-04-19 03:18:58 -07:00

test_index_accuracy.py

Break distance ties in heap_replace_top() by ID (#2245)

2022-03-09 10:23:48 -08:00

test_index_binary_from_float.py

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test_index_binary.py

Fix packaging (#2121)

2021-12-07 13:12:30 -08:00

test_index_composite.py

IndexFlatCodes: a single parent for all flat codecs (#2132)

2021-12-07 01:31:07 -08:00

test_index.py

Add IndexNSGPQ and IndexNSGSQ (#2218)

2022-02-18 04:51:15 -08:00

test_io.py

IndexFlatCodes: a single parent for all flat codecs (#2132)

2021-12-07 01:31:07 -08:00

test_ivflib.py

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test_ivfpq_codec.cpp

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test_ivfpq_indexing.cpp

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test_local_search_quantizer.py

Add ProductAdditiveQuantizer (#2286)

2022-05-05 15:14:07 -07:00

test_lowlevel_ivf.cpp

IVFPQ AVX2 optimization for PQ, including polysemous filtering (#2277)

2022-03-24 06:35:38 -07:00

test_mem_leak.cpp

Reduce mem usage + improve performance for sequential search imlementation

2021-10-05 15:54:04 -07:00

test_merge.cpp

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test_meta_index.py

Fix packaging (#2121)

2021-12-07 13:12:30 -08:00

test_omp_threads_py.py

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test_omp_threads.cpp

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test_ondisk_ivf.cpp

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test_oom_exception.py

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test_pairs_decoding.cpp

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test_params_override.cpp

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test_partition.py

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test_pq_encoding.cpp

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test_product_quantizer.py

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test_referenced_objects.py

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test_refine.py

Generalize DistanceComputer for flat indexes (#2255)

2022-03-20 23:43:33 -07:00

test_residual_quantizer.py

Add ProductAdditiveQuantizer (#2286)

2022-05-05 15:14:07 -07:00

test_sliding_ivf.cpp

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test_standalone_codec.py

Implement LCC's RCQ + ITQ in Faiss (#2123)

2021-11-25 15:59:18 -08:00

test_threaded_index.cpp

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test_transfer_invlists.cpp

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torch_test_contrib.py

Automatic type conversions for Python API (#2274)

2022-03-30 05:42:08 -07:00