code: def check_avx_vnni(self):
      return "avxvnni" in self.flags
  
file_path: BigDL/python/llm/src/bigdl/llm/utils/isa_checker.py
imports: from cpuinfo import CPUID
label_desc: Use image node_id 5 for calling the ISAChecker obj's underlying member method code with example usage: obj.check_avx_vnni() and returns: unknown