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Harden head-size-256 paged XQA coverage - #32262
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Baiju Meswani (baijumeswani) merged 1 commit intoAug 25, 2026
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Pull request overview
Hardens CUDA paged XQA head-size-256 tests and addresses prior review gaps.
Changes:
- Adds FP16/BF16 coverage with INT8/FP8 caches.
- Strengthens numerical parity and cache-update validation.
- Skips dispatch assertions when H256 XQA is unavailable.
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Gate dispatch checks on runtime kernel availability and cover FP16 and BF16 queries with INT8 and FP8 caches. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: a8d618bb-0feb-4d05-a918-93b6accde1b1
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Addressing open comments from: #32229 (review)