Function emit_cutlass_nvfp4_gemm 

pub fn emit_cutlass_nvfp4_gemm(cfg: &CutlassNvfp4Gemm) -> String

Emit our compiler’s CUTLASS Blackwell NVFP4 block-scaled GEMM as a torch-extension launcher for load_inline on the Blackwell leaderboard runner. Consumes the pre-permuted FP8 block scales directly.