Function select_cmma_tile 

pub fn select_cmma_tile(
    client: &Client,
    lhs: ElemType,
    rhs: ElemType,
    acc: ElemType,
    (m, n, k): (usize, usize, usize),
) -> Option<(u32, u32, u32)>

Resolves the largest supported CMMA or MMA tile size (m, n, k).