code: def is_rank_in_position_embedding_group():
      """Return whether the current rank is in position embedding group."""
      rank = torch.distributed.get_rank()
      global _POSITION_EMBEDDING_GLOBAL_RANKS
      return rank in _POSITION_EMBEDDING_GLOBAL_RANKS
  
imports: from typing import Tuple, Optional
  import warnings
  import os
  import torch
  from apex.transformer.log_util import get_transformer_logger
  from apex.transformer._ucc_util import HAS_UCC
label_desc: Use image node_id 21 for calling a global function with example usage: is_rank_in_position_embedding_group() and returns: unknown