NVIDIA / NVIDIA/cutlass

[QST]Why rowMajor for A and B is different?

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Description

What is your question?
https://github.com/NVIDIA/cutlass/blob/f7b19de32c5d1f3cedfc735c2849f12b537522ee/include/cutlass/detail/layout.hpp#L111-L117
b6ae8dc3b4fe301f456ee7c9f28b782

Both rowMajor, for A, it is (number, 1); for B, it is (1, number).

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Research direction

Start by reading include/cutlass/detail/layout.hpp at lines 111-117 and the surrounding layout definitions. Trace how the A and B operand layouts are used, then document why the two row-major representations differ and what each tuple means.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
hpc
Issue type
Documentation
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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