[Rubin] Misc MMA enhancement and mbarrier.arrive.multicast support#10941
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masahi wants to merge 4 commits into
Open
[Rubin] Misc MMA enhancement and mbarrier.arrive.multicast support#10941masahi wants to merge 4 commits into
mbarrier.arrive.multicast support#10941masahi wants to merge 4 commits into
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masahi
requested review from
ThomasRaoux
and removed request for
peterbell10 and
ptillet
July 18, 2026 00:53
lezcano
approved these changes
Jul 18, 2026
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Following up the initial Rubin PR #10936 to add more Rubin features.
BLOCK_M = 256, see https://docs.nvidia.com/cuda/developer-preview/13.4/parallel-thread-execution/index.html#tcgen05-mma-scale-factor-a-layout-block16-k128-256mbarrier.arrive, a more efficient alternative to signal an arrival to a set of CTAs sequentially.