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facebookresearch / faiss

A library for efficient similarity search and clustering of dense vectors.
https://faiss.ai
MIT License
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HNSW not support remove_ids? "IDMap2,HNSW32,Flat" also not support remove_ids? #3339

Closed lgbest123 closed 4 months ago

lgbest123 commented 7 months ago

Summary

Platform

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Faiss version:

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Reproduction instructions

mdouze commented 7 months ago

No, HNSW does not support remove_ids. It is non-trivial to implement because the graph has to be re-linked after some nodes are removed.