def METHOD_NAME(self, args):
    parser = argparse.ArgumentParser("performance tester")
    parser.set_defaults(func=lambda x: parser.print_usage())
    parser.add_argument("--count", help="number of test iterations", default=1000, type=int)
    parser.add_argument("--warmup", help="number of warmup iterations", default=100, type=int)
    parser.add_argument(
        "--workers", help="number of model workers (and clients)", default=1, type=int
    )
    parser.add_argument("--model", help="model id", default="half_plus_three")
    return parser.METHOD_NAME(args)