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[Bugfix] Update ThrMma annotations for CUTLASS DSL 4.6 - #7

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@lengrongfu

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CUTLASS DSL 4.6 removed cute.core.ThrMma in favor of cute.ThrMma. Update the MSA helper annotations to prevent fmha_sm100 imports from failing with AttributeError.

Refs: vllm-project/vllm#49005

CUTLASS DSL 4.6 removed cute.core.ThrMma in favor of cute.ThrMma.
Update the MSA helper annotations to prevent fmha_sm100 imports from
failing with AttributeError.

Refs: vllm-project/vllm#49005
Signed-off-by: rongfu.leng <lenronfu@gmail.com>
@lengrongfu

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@zyongye Hi, please take a look.

@wzhao18

wzhao18 commented Jul 18, 2026

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Thanks. Let me test this out.

@wzhao18

wzhao18 commented Jul 18, 2026

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I find that there are other compatibility issues after the version bump. I have an updated PR: #8 I validated all unit tests are passing.

@lengrongfu lengrongfu closed this Jul 20, 2026
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