Mojo function

get_amd_fp8_dtype

get_amd_fp8_dtype() -> DType

Gets the appropriate FP8 dtype for the current AMD GPU architecture.

Returns:

DType: - DType.float8_e4m3fn for CDNA4+ and RDNA4+ GPUs

• DType.float8_e4m3fnuz for CDNA1-3 GPUs
• DType.invalid for RDNA3 (no native FP8 support).

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