code: def _set_global_memory_buffer():
      """Initialize global buffer"""
      global _GLOBAL_MEMORY_BUFFER
      assert (
          _GLOBAL_MEMORY_BUFFER is None
      ), "global memory buffer is already initialized"
      _GLOBAL_MEMORY_BUFFER = GlobalMemoryBuffer()
  
imports: import os
  from typing import Optional
  import torch
  from .utils import GlobalMemoryBuffer
label_desc: Use image node_id 53 for calling a global function with example usage: _set_global_memory_buffer() without return types