code: def reduce_scatter_comm_off(flag=False):
      global DS_COMM_REDUCE_SCATTER_OFF
      DS_COMM_REDUCE_SCATTER_OFF = flag
  
imports: from deepspeed import utils
  from .utils import *
  from .backend import *
  from .comm import *
  import os
label_desc: Use image node_id 8 for calling a global function with example usage: reduce_scatter_comm_off(flag) without return types