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Demo on how to address mulitple index contents #3387

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@mdouze mdouze commented Apr 25, 2024

Summary:
This demonstrates how to query several independent IVF indexes with a trained index in common. This avoids to duplicate the coarse quantizer and metadata in memory.

On the Faiss side, it also implements a InvertedListIterator on top of the flat inverted lists, which can prove useful.

Differential Revision: D56575887

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mdouze commented Apr 25, 2024

This is related to issue 3271

Summary:
This demonstrates how to query several independent IVF indexes with a trained index in common. This avoids to duplicate the coarse quantizer and metadata in memory.

On the Faiss side, it also implements a InvertedListIterator on top of the flat inverted lists, which can prove useful.

Differential Revision: D56575887
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