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Fix silent brute force fallback at aligned vector dimensions - #2483

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imotov:issue-2482-fix-cagra-padded-dataset-flush
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Fix silent brute force fallback at aligned vector dimensions#2483
imotov wants to merge 1 commit into
NVIDIA:mainfrom
imotov:issue-2482-fix-cagra-padded-dataset-flush

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@imotov imotov commented Aug 18, 2026

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cuvsDatasetMakePadded rejects a device matrix already at CAGRA's required stride, so every field whose dimension is a multiple of four failed its CAGRA build and was silently indexed as brute force. Pick the factory that matches the layout, and log the fallback so the next one is visible.

See #2482

cuvsDatasetMakePadded rejects a device matrix already at CAGRA's required
stride, so every field whose dimension is a multiple of four failed its CAGRA
build and was silently indexed as brute force. Pick the factory that matches
the layout, and log the fallback so the next one is visible.

See NVIDIA#2482
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imotov requested a review from a team as a code owner August 18, 2026 20:57
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@imotov imotov self-assigned this Aug 18, 2026
@imotov imotov added Java bug Something isn't working non-breaking Introduces a non-breaking change Lucene labels Aug 18, 2026
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imotov commented Aug 18, 2026

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/ok to test c87fcd4

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