code: def synchronize(gpu_id: int):
      """Synchronize the current process to a give device.
  
      Args:
          gpu_id: the GPU device id to synchronize.
  
      Returns:
          None
      """
      if not types.cupy_available():
          raise RuntimeError("synchronize call requires CUDA and NCCL.")
      import cupy as cp
  
      cp.cuda.Device(gpu_id).synchronize()
  
imports: import logging
  import os
  from typing import List
  import numpy
  import ray
  from ray.util.collective import types
label_desc: Use image node_id 24 for calling a global function with example usage: synchronize(gpu_id) without return types