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Description
Describe the bug
When using CAGRA with a full ones prefilter, (nothing filtered out), the recall rate significantly drop by 20%
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Benchmark Time CPU Iterations GPU Latency Recall end_to_end items_per_second itopk k n_queries total_queries
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raft_cagra.dim32/0/0/process_time/real_time 1.17 ms 1.17 ms 11941 1.16104m 1.17158m 0.9385 13.9899 853.548/s 128 10 1 11.941k algo="single_cta"
raft_cagra.dim32/1/0/process_time/real_time 2.14 ms 2.14 ms 6554 2.12471m 2.13548m **0.789747** 13.9959 468.279/s 256 10 1 6.554k algo="single_cta"
raft_cagra.dim32/0/1/process_time/real_time 2.42 ms 2.42 ms 5768 2.41063m 2.42168m 0.9385 13.9682 412.937k/s 128 10 1000 5.768M algo="single_cta"
raft_cagra.dim32/1/1/process_time/real_time 4.59 ms 4.59 ms 3045 4.58215m 4.59372m **0.79002** 13.9879 217.689k/s 256 10 1000 3.045M algo="single_cta"
Steps/Code to reproduce bug
CUVS_CAGRA_ANN_BENCH reproduce branch
Expected behavior
The recall rate should be very close to the no prefilter case.
Environment details (please complete the following information):
- Any benchmark environment.
Additional context
Add any other context about the problem here.
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