code: def main():
      os.environ["TUNE_GLOBAL_CHECKPOINT_S"] = "100"  # Tweak
  
      ray.init(address="auto")
  
      num_samples = 10000
      results_per_second = 1
      trial_length_s = 1
  
      max_runtime = 800
  
      timed_tune_run(
          name="bookkeeping overhead",
          num_samples=num_samples,
          results_per_second=results_per_second,
          trial_length_s=trial_length_s,
          max_runtime=max_runtime,
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types