feat(turbo): add OPQ preprocessor - #717
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September 1, 2026 11:35
# Conflicts: # src/turbo/quantizer/pq_fast_quantizer/pq_fast_quantizer.cc # src/turbo/quantizer/pq_fast_quantizer/pq_fast_quantizer.h # src/turbo/quantizer/pq_int4_quantizer/pq_int4_quantizer.cc # src/turbo/quantizer/pq_int4_quantizer/pq_int4_quantizer.h # src/turbo/quantizer/pq_int8_quantizer/pq_int8_quantizer.cc # src/turbo/quantizer/pq_int8_quantizer/pq_int8_quantizer.h
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The OPQ feature has been added to the Turbo Quantizer, with specific results as follows (recall/qps):
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m=32, ef_construction=200, num_chunk=dim/4