Function bgemm_raw_strided_into_uninit 

pub fn bgemm_raw_strided_into_uninit<T>(
    dest: &mut RawStridedMut<'_, MaybeUninit<T>>,
    a: &RawStridedRef<'_, T>,
    b: &RawStridedRef<'_, T>,
    n_batch: usize,
    n_lo: usize,
    n_ro: usize,
    n_sum: usize,
    alpha: T,
    ctx: &ExecContext,
) -> Result<()>
where
    T: Scalar,

Canonical raw overwrite-only GEMM entry point.