code: def parse_args():
      parser = argparse.ArgumentParser(
          description="This release test measures Ray worker startup time. "
          "Specifically, it measures the time to start N different tasks or"
          " actors, where each task or actor imports a large library ("
          "currently PyTorch). N is configurable.\nThe test runs under a "
          "few different configurations: {task, actor} x {runtime env, "
          "no runtime env} x {GPU, no GPU} x {cold start, warm start} x "
          "{import torch, no imports}.",
          epilog="This script uses test_single_configuration.py to run the "
          "actual measurements.",
      )
      parser.add_argument(
          "--num_gpus_in_cluster",
          type=int,
          required=True,
          help="The number of GPUs in the cluster. This determines how many "
          "GPU resources each actor/task requests.",
      )
      parser.add_argument(
          "--num_cpus_in_cluster",
          type=int,
          required=True,
          help="The number of CPUs in the cluster. This determines how many "
          "CPU resources each actor/task requests.",
      )
      parser.add_argument(
          "--num_tasks_or_actors_per_run",
          type=int,
          required=True,
          help="The number of tasks or actors per 'run'. A run starts this "
          "many tasks/actors and consitutes a single measurement. Several "
          "runs can be composed within a single job for measure warm start, "
          "or spread across different jobs to measure cold start.",
      )
      parser.add_argument(
          "--num_measurements_per_configuration",
          type=int,
          required=True,
          help="The number of measurements to record per configuration.",
      )
  
      return parser.parse_args()
  
imports: from collections import defaultdict
  from dataclasses import dataclass
  from ray._private.test_utils import safe_write_to_results_json
  from ray.job_submission import JobSubmissionClient, JobStatus
  import argparse
  import asyncio
  import random
  import ray
  import statistics
  import subprocess
  import sys
label_desc: Use image node_id 5 for calling a global function with example usage: parse_args() and returns: parser