Function gemv_mma_smem_bytes 

pub fn gemv_mma_smem_bytes(two: bool, mt: usize, nt: usize) -> usize

lk_gemv_mma‘s shared memory (lk_mma_smem): its stages (three, two under the two-word numerics), a stage four blocks of each of its 8·nt matrix rows and 16·mt activation rows (both words’ under two words), rows 144 bytes apart, and the stage’s scales.