code: def main():
      args = parse_args()
  
      benchmarks = [ALL_BENCHMARKS[name]() for name in args.benchmarks]
      for bench in benchmarks:
          bench.run()
      for bench in benchmarks:
          bench.display()
  
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 2 for calling a global function with example usage: main() without return types