code: def __new__(metacls, name, bases, class_dict):
      cls = type.__new__(metacls, name, bases, class_dict)
      if name != "Benchmark":
          ALL_BENCHMARKS[name] = cls
      return cls
  
imports: import argparse
  import itertools
  import logging
  import os
  import numpy
  from caffe2.python import workspace, core
  from caffe2.python.hypothesis_test_util import runOpBenchmark, gpu_do
label_desc: Use image node_id 1 for calling the BenchmarkMeta obj's underlying member method code with example usage: obj.__new__(metacls, name, bases, class_dict) and returns: cls