code: def _dump_snapshot(filename="dump_snapshot.pickle"):
      """
      Save a pickled version of the `torch.memory._snapshot()` dictionary to a file.
  
      This file can be opened by the interactive snapshot viewer at pytorch.org/memory_viz
  
      Args:
          filename (str, optional): Name of the file to create. Defaults to "dump_snapshot.pickle".
      """
      s = _snapshot()
      with open(filename, "wb") as f:
          pickle.dump(s, f)
  
imports: import collections
  import contextlib
  import ctypes
  import pickle
  import sys
  import warnings
  from inspect import signature
  from typing import Any, Dict, Optional, Tuple, Union
  import torch
  from torch import _C
  from torch.types import Device
  from .None import _get_device_index, _get_nvml_device_index, _lazy_init, is_initialized
  from ._memory_viz import memory, segments
  from ._utils import _dummy_type
label_desc: Use image node_id 27 for calling a global function with example usage: _dump_snapshot(filename) without return types