Python float scales and fp32 expert weights promoted SiTU outputs to fp32, so index_add mixed BFloat16 dest with Float source and crashed the 0.5b run. Cast packed weights and gate scalars to z.dtype.
Python float scales and fp32 expert weights promoted SiTU outputs to fp32, so index_add mixed BFloat16 dest with Float source and crashed the 0.5b run. Cast packed weights and gate scalars to z.dtype.