biondizzle fbdddaccf4 revert: restore mxf4nvf4/block16 code (correct path for sm_100a) ...

Reverted to commit 36b439e's NVFP4 kernel code:
- kGranK=16, mxf4nvf4.block_scale.scale_vec::4X
- float_ue4m3_t instruction descriptor
- Block16 SF layout (4X TMEM)
- UE4M3 L1 epilogue
- No UE4M3→UE8M0 conversion, no block16→block32 merge

The mxf4nvf4.scale_vec::4X PTX instruction compiles successfully
on both sm_100 and sm_100f with CUDA 13.0. The previous build 17
error was likely from a different cause, not the arch flag.

Python: reverted transform_nvfp4_weights_for_mega_moe to use
pack_ue4m3_to_int32 with gran_k=16, no UE8M0 conversion.

2026-05-11 15:02:47 +00:00

8.4 KiB

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