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select_mma

Function select_mma 

Source
pub fn select_mma(
    prec: Precision,
    m: usize,
    k: usize,
    n: usize,
    sm_arch: u32,
) -> MmaKind
Expand description

Select the MMA kind for a (precision, shape, sm_arch). Tensor-core WMMA when the shape is 16-aligned and the arch provides the precision’s HMMA/IMMA; otherwise the always-legal DP4A CUDA-core fallback — we never emit a tensor-core kernel on a shape or GPU that cannot run it.