def METHOD_NAME(self, target):
    builder = NetBuilder("sub")
    x = builder.create_input(
        self.nptype2cinntype(self.inputs["x"].dtype),
        self.inputs["x"].shape, "x")
    y = builder.create_input(
        self.nptype2cinntype(self.inputs["x"].dtype),
        self.inputs["y"].shape, "y")
    out = builder.subtract(x, y)
    prog = builder.build()
    res = self.get_cinn_output(prog, target, [x, y],
                               [self.inputs["x"], self.inputs["y"]], [out])
    self.cinn_outputs = res