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Re:Bfloat16 support coming to Apple's Metal and PyTorch [video] by kzrdude on Monday July 03, 2023 @02:04PM (#36576639)
Visible in the unofficial documentation for AMX instructions too - M2 only bf16 functionality - https://github.com/corsix/amx/blob/main/matfp.md

This matfp instruction computes an outer product and is a kernel for matrix multiplication.

Re:Bfloat16 support coming to Apple's Metal and PyTorch [video] by dlewis1788 on Monday July 03, 2023 @02:14PM (#36576804)
I didn't even know about Apple's AMX instructions until I clicked on your link. Very interesting - thanks!