HipKittens MXFP8 GEMM Support#566
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Creates an MXFP8 GEMM with HipKittens that outperforms hipBLASlt, and offers additional epilogues such as BIAS and GELU AUX
Requires a workspace sized relative to the model. Often larger than hipBLASlt, but with significant performance improvements. Only builds for gfx950, and requires M / 256 and N / 256.
Adds hipKittens header library as a submodule.