code: def get_ipex_version():
      global _ipex_version
      if _ipex_version is not None:
          return _ipex_version
  
      import intel_extension_for_pytorch as ipex
  
      _ipex_version = ipex.__version__
      return _ipex_version
  
file_path: BigDL/python/llm/src/bigdl/llm/transformers/utils.py
imports: import os
  from transformers.modeling_utils import _add_variant
  from ..utils.common import invalidInputError
  from typing import Union
  import torch
  from torch import nn
  import logging
label_desc: Use image node_id 7 for calling a global function with example usage: get_ipex_version() and returns: _ipex_version, _ipex_version