code: def backward_comm_off(flag=False):
      all_gather_comm_off(flag)
      reduce_scatter_comm_off(flag)
  
imports: from deepspeed import utils
  from .utils import *
  from .backend import *
  from .comm import *
  import os
label_desc: Use image node_id 12 for calling a global function with example usage: backward_comm_off(flag) without return types