Function custom_sum

test/backend/test_custom_kernel.py:44–48

(B:UOp, A:UOp)

  return prog.sink(arg=KernelInfo(name=f"custom_gemm_{C.shape[0]}_{C.shape[1]}_{A.shape[1]}", opts_to_apply=()))

def custom_sum(B:UOp, A:UOp) -> UOp:
  i = UOp.range(A.shape[0], 0, axis_type=AxisType.REDUCE)
  B = B[0].set(0.0)
  B = B[0].set(B.after(i)[0] + A[i], end=i)
  return B.sink(arg=KernelInfo(name=f"custom_sum_{A.shape[0]}", opts_to_apply=()))

def flip_contract_kernel(dest:UOp, src:UOp):
  i = UOp.range(dest.shape[0], 0)