code: def _check_aot_built_cuda_extension_installed():
      """
      According to `op_builder/README.md`, the CUDA extension can be built with either
      AOT (ahead-of-time) or JIT (just-in-time) compilation.
      AOT compilation will build CUDA extensions to `colossalai._C` during installation.
      JIT (just-in-time) compilation will build CUDA extensions to `~/.cache/colossalai/torch_extensions` during runtime.
      """
      try:
          found_aot_cuda_ext = True
      except ImportError:
          found_aot_cuda_ext = False
      return found_aot_cuda_ext
  
file_path: ColossalAI/colossalai/cli/check/check_installation.py
imports: import subprocess
  import click
  import torch
  from torch.utils.cpp_extension import CUDA_HOME
  import colossalai
label_desc: Use image node_id 5 for calling a global function with example usage: _check_aot_built_cuda_extension_installed() and returns: found_aot_cuda_ext