code: def test_actor_creation_latency(ray_start_regular_shared):
      # This test is just used to test the latency of actor creation.
      @ray.remote
      class Actor:
          def get_value(self):
              return 1
  
      start = datetime.datetime.now()
      actor_handles = [Actor.remote() for _ in range(100)]
      actor_create_time = datetime.datetime.now()
      for actor_handle in actor_handles:
          ray.get(actor_handle.get_value.remote())
      end = datetime.datetime.now()
      print(
          "actor_create_time_consume = {}, total_time_consume = {}".format(
              actor_create_time - start, end - start
          )
      )
  
imports: import datetime
  import os
  import random
  import sys
  import tempfile
  import numpy
  import pytest
  import ray
  from ray import cloudpickle
  from ray._private import ray_constants
  from ray._private.test_utils import client_test_enabled, wait_for_condition, wait_for_pid_to_exit
  from ray.actor import ActorClassInheritanceException
  from ray.tests.client_test_utils import create_remote_signal_actor
  from ray._private.test_utils import SignalActor
  import setproctitle
label_desc: Use image node_id 39 for calling a global function with example usage: test_actor_creation_latency(ray_start_regular_shared) and returns: int