PR #12154: Scaling without Type Conversion for FP8 GEMMs
PR #12154: Scaling without Type Conversion for FP8 GEMMs

Imported from GitHub PR https://github.com/openxla/xla/pull/12154

Enables the fusion of the scaling of the result of an FP8 GEMM without subsequent type conversion into the Custom Call.
Copybara import of the project:

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eb45e08558bb36c437be69d05421126b4252de94 by Philipp Hack <phack@nvidia.com>:

Fuses the scaling of the result of an FP8 GEMM into the Custom Call.

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2ba2373862a73e954bd255a0df0eb93b0f5b43b5 by Philipp Hack <phack@nvidia.com>:

Fuses the scaling of the result of an FP8 GEMM into the Custom Call.

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c7944fc3b2b7fdc45a06d058dea856fff2bd7e15 by Philipp Hack <phack@nvidia.com>:

Fuses the scaling of the result of an FP8 GEMM into the Custom Call.

Merging this change closes #12154

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/12154 from philipphack:u_fp8_scale_xla c7944fc3b2b7fdc45a06d058dea856fff2bd7e15
