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mdouze/demo_IP_to_L2.ipynb

Created August 1, 2019 15:41
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demo_IP_to_L2.ipynb
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@CaucherWang
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IndexFlatIP finds the minimum IP distance instead of the maximum. What if I want to find maximum IP similarity neighbors? Note that IP can be negative and positive, querying with the opposite vector will return the largest negative ones.

@mdouze
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mdouze commented Sep 26, 2023

IndexFlatIP returns the maximum IP distances.

@ucas010
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ucas010 commented Dec 3, 2024 •
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could i use the new xb with faiss.index_factory(768, "PCA128,IVF16384_HNSW64,Flat") ?
and got the similar results ?

old xb have been L2 norm

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