class_docstr: triton matmul kernel superclass
code: def _write_autotune_table(cache_key, triton_kernel):
      cache_manager = AutotuneCacheManager(cache_key)
      cache_manager.put(triton_kernel.cache)
  
imports: import torch
  import triton
  import os
  from filelock import FileLock
  import deepspeed.ops.transformer.inference.triton.triton_matmul_kernel
  import pickle
  from io import open
  import deepspeed
  from pathlib import Path
  import atexit
label_desc: Use image node_id 4 for calling the TritonMatmul obj's underlying member method code with example usage: obj._write_autotune_table(cache_key, triton_kernel) without return types