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The additive quantizers need to carry around the norms of the vectors to compute L2 distances, or they can be computed.
The storage options work but the ST_norm_from_LUT is not implemented (it is described in eq (16) of the Faiss paper).
the symptom is a crash because the interpreter does not propagate the exception correctly.
Summary:
The norm computation ST_norm_from_LUT was not implemented in Faiss. See issue
facebookresearch#3882
This diff adds an implementation for it. It is probably not very quick. A few precomputed tables for AdditiveQuantizer were moved form ResidualQuantizer.
Differential Revision: D63975689
Summary:
Pull Request resolved: #3917
The norm computation ST_norm_from_LUT was not implemented in Faiss. See issue
#3882
This diff adds an implementation for it. It is probably not very quick. A few precomputed tables for AdditiveQuantizer were moved form ResidualQuantizer.
Reviewed By: asadoughi
Differential Revision: D63975689
fbshipit-source-id: 1bbe497a66bb3891ae727a1cd2b719479f80a836
Summary
The additive quantizers need to carry around the norms of the vectors to compute L2 distances, or they can be computed.
The storage options work but the
ST_norm_from_LUT
is not implemented (it is described in eq (16) of the Faiss paper).the symptom is a crash because the interpreter does not propagate the exception correctly.
result:
The text was updated successfully, but these errors were encountered: