code: def skip_summary():
      """Determines if summary should be skipped.
  
      If using multiple replicas in distributed strategy, skip summaries on all
      replicas except the first one (replica_id=0).
  
      Returns:
        True if the summary is skipped; False otherwise.
      """
  
      # TODO(priyag): Add a new optional argument that will provide multiple
      # alternatives to override default behavior. (e.g. run on last replica,
      # compute sum or mean across replicas).
      replica_context = distribute_lib.get_replica_context()
      if not replica_context:
          return False
      # TODO(b/118385803): when replica_id of _TPUReplicaContext is properly
      # initialized, remember to change here as well.
      replica_id = replica_context.replica_id_in_sync_group
      if isinstance(replica_id, tensor.Tensor):
          replica_id = tensor_util.constant_value(replica_id)
      return replica_id and replica_id > 0
  
imports: from tensorflow.python.distribute import distribute_lib
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_util
label_desc: Use image node_id 1 for calling a global function with example usage: skip_summary() and returns: unknown, False