code: def synchronize():
      if get_world_size() == 1:
          return
      dist.barrier()
  
file_path: gluonts/src/gluonts/nursery/daf/tslib/engine/distributed.py
imports: from typing import Optional
  import os
  import torch
  from torch import Tensor
  from torch import distributed
label_desc: Use image node_id 5 for calling a global function with example usage: synchronize() without return types