docstr: Indicator to verify if cpu supports avx512
docstr_tok: ["Indicator","to","verify","if","cpu","supports","avx512"]
code: def _check_cpu_isa(self):
      """Indicator to verify if cpu supports avx512"""
      return _avx512_checker()
  
file_path: BigDL/python/nano/src/bigdl/nano/deps/ipex/ipex_inference_bf16_model.py
imports: from .ipex_inference_model import PytorchIPEXJITModel
  from bigdl.nano.pytorch.context_manager import generate_context_manager
  from bigdl.nano.utils.common import _avx512_checker
  from bigdl.nano.utils.common import invalidInputError
  from bigdl.nano.utils.pytorch import transform_state_dict_to_dtype
  import torch
  import copy
label_desc: Use image node_id 2 for calling the PytorchIPEXJITBF16Model obj's underlying member method code with example usage: obj._check_cpu_isa() and returns: _avx512_checker