fix: quantization precision #537
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Signed-off-by: usamoi <[email protected]>
Signed-off-by: usamoi <[email protected]>
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What's the precision problem? |
Spherical k-means is used for both product quantization and IVF before. But it should not be used in product quantization. This pr removes normalization in k-means when it's used for PQ. |
VoVAllen
approved these changes
Jul 23, 2024
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It's still a little worser than faiss-ivfpq.
This pr deprecates veci8 by the way.