NVIDIA / NVIDIA/cutlass

[QST] In sm90, where we set the gridDim?

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? - Needs Triage inactive-30d inactive-90d question
Dominant language
C++
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Description

I know we have persistent block, but seems the block number is slightly higher than SM number. Where is it defined?

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Research direction

No file, test, or entry point is named. Search the CUTLASS sources for gridDim and persistent block launch configuration, then trace the SM90 path; done means identifying where the block count is selected and explaining why it can exceed the SM count.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
performance
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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