Mojo function
compute_mxfp4_even_scale
compute_mxfp4_even_scale(max_val: Float32) -> Float8_e8m0fnu
Computes the OCP MXFP4 E8M0 scale using even-mode rounding.
Even-mode rounding rounds the block maximum before deriving the scale exponent. This differs from ceil(max / 6) and preserves more precision for smaller values in the same 32-element block.
Returns:
Float8_e8m0fnu
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