code: def get_cache() -> Cache:
      """
      ### Get the cache instance
  
      :return: the cache instance
      """
      global _INSTANCE
  
      if _INSTANCE is None:
          _INSTANCE = Cache()
  
      return _INSTANCE
  
file_path: annotated_deep_learning_paper_implementations/labml_nn/neox/utils/cache.py
imports: from typing import Any
label_desc: Use image node_id 1 for calling a global function with example usage: get_cache() and returns: _INSTANCE