def output_hook(op_name: str, output_name: str, tensor: paddle.Tensor):
        print("================output====================")
        print(op_name, output_name, tensor)
def input_hook(op_name: str, input_name: str, tensor: paddle.Tensor):
        print("================Input====================")
        print(op_name, input_name, tensor)
predictor.register_output_hook(output_hook)
predictor.register_input_hook(input_hook)