code: def bench_ray(tasks, workers, task_duration, warmup=True):
      import ray
  
      @ray.remote
      def ray_sleep(duration):
          time.sleep(duration)
  
      if warmup:
          ray.get(
              [ray_sleep.remote(task_duration) for x in range(tasks)]
          )
  
      res, elapsed = timeit(
          ray.get,
          [ray_sleep.remote(task_duration) for x in range(tasks)],
      )
      return elapsed
  
imports: import time
  import fiber
  import multiprocessing
  import logging
  import subprocess
  import argparse
  from pprint import pprint
label_desc: Use image node_id 12 for calling a global function with example usage: bench_ray(tasks, workers, task_duration, warmup) and returns: elapsed