Use PQ API in CAGRA-Q + SCANN#1746
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rapids-bot[bot] merged 21 commits intorapidsai:mainfrom Mar 13, 2026
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Signed-off-by: Mickael Ide <mide@nvidia.com>
Signed-off-by: Mickael Ide <mide@nvidia.com>
Signed-off-by: Mickael Ide <mide@nvidia.com>
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I know it's hard to test the recall of a ScaNN index, I apologize for that. I pulled this PR to test. Compared to main, recall looks overall the same, so no concern there, but there is a build time regression due to the two issues I mentioned in the comments. Your prior PR #1278 improved PQ training quite a lot for ScaNN, thank you for that :) For larger dim datasets like LAION and OpenAI, it shaves 2-4s from the overall build time. |
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Signed-off-by: Mickael Ide <mide@nvidia.com>
Signed-off-by: Mickael Ide <mide@nvidia.com>
Signed-off-by: Mickael Ide <mide@nvidia.com>
Signed-off-by: Mickael Ide <mide@nvidia.com>
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Follow-up to the PQ PR #1278 .
Closes #1575
Closes #1747
This PR removes the need to compile multiple times the same code for PQ in CAGRA-Q and SCANN, removing code duplication and improving build time.
CAGRA-Q can't use the new public API since it is using half for its math type so an private API function is used.
A small test is added to SCANN to make sure that the returned index is not complete garbage but more testing should be done there. (Created issue #1747 to track this)
This PR saves ~2-3 Mb on libcuvs.so compiled on a single architecture (141 Mb -> 138Mb)