Proper implementation of the SMEM layout that tcgen05.mma expects:
- SWIZZLE_128B (layout_type=2) for both MN-major A and K-major B
- Swizzle<3,4,3> applied to element offsets before SMEM write
- MN_SW128 atom: (1024, 8) BF16, stride (1, 1024)
- K_SW128 atom: (8, 1024) BF16, stride (1, 8)
- umma_smem_write/read functions for both MN and K major
- Descriptor with correct leading_byte_offset and stride_byte_offset
This is the RIGHT WAY. No shortcuts.
biondizzle
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