pub fn get_gemm_fn() -> unsafe fn(_: usize, _: usize, _: usize, _: *mut f16, _: isize, _: isize, _: bool, _: *const f16, _: isize, _: isize, _: *const f16, _: isize, _: isize, _: f16, _: f16, _: bool, _: bool, _: bool, _: Parallelism)