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| # Copyright (c) Meta Platforms, Inc. and affiliates. | |
| # All rights reserved. | |
| # | |
| # This source code is licensed under the license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| """This file holding some environment constant for sharing by other files.""" | |
| import os.path as osp | |
| import subprocess | |
| import torch | |
| from mmengine.utils.dl_utils import collect_env as mmengine_collect_env | |
| import mmcv | |
| def collect_env(): | |
| """Collect the information of the running environments. | |
| Returns: | |
| dict: The environment information. The following fields are contained. | |
| - sys.platform: The variable of ``sys.platform``. | |
| - Python: Python version. | |
| - CUDA available: Bool, indicating if CUDA is available. | |
| - GPU devices: Device type of each GPU. | |
| - CUDA_HOME (optional): The env var ``CUDA_HOME``. | |
| - NVCC (optional): NVCC version. | |
| - GCC: GCC version, "n/a" if GCC is not installed. | |
| - MSVC: Microsoft Virtual C++ Compiler version, Windows only. | |
| - PyTorch: PyTorch version. | |
| - PyTorch compiling details: The output of \ | |
| ``torch.__config__.show()``. | |
| - TorchVision (optional): TorchVision version. | |
| - OpenCV: OpenCV version. | |
| - MMEngine: MMEngine version. | |
| - MMCV: MMCV version. | |
| - MMCV Compiler: The GCC version for compiling MMCV ops. | |
| - MMCV CUDA Compiler: The CUDA version for compiling MMCV ops. | |
| """ | |
| env_info = mmengine_collect_env() | |
| # MMEngine does not add the hipcc compiler information when collecting | |
| # environment information, so it is added here. When MMEngine v0.3.0 is | |
| # released, the code here can be removed. | |
| cuda_available = torch.cuda.is_available() | |
| if cuda_available and env_info.get('NVCC') == 'Not Available': | |
| CUDA_HOME = env_info['CUDA_HOME'] | |
| if CUDA_HOME is not None and osp.isdir(CUDA_HOME): | |
| if CUDA_HOME == '/opt/rocm': | |
| try: | |
| nvcc = osp.join(CUDA_HOME, 'hip/bin/hipcc') | |
| nvcc = subprocess.check_output( | |
| f'"{nvcc}" --version', shell=True) | |
| nvcc = nvcc.decode('utf-8').strip() | |
| release = nvcc.rfind('HIP version:') | |
| build = nvcc.rfind('') | |
| nvcc = nvcc[release:build].strip() | |
| except subprocess.SubprocessError: | |
| nvcc = 'Not Available' | |
| else: | |
| try: | |
| nvcc = osp.join(CUDA_HOME, 'bin/nvcc') | |
| nvcc = subprocess.check_output(f'"{nvcc}" -V', shell=True) | |
| nvcc = nvcc.decode('utf-8').strip() | |
| release = nvcc.rfind('Cuda compilation tools') | |
| build = nvcc.rfind('Build ') | |
| nvcc = nvcc[release:build].strip() | |
| except subprocess.SubprocessError: | |
| nvcc = 'Not Available' | |
| env_info['NVCC'] = nvcc | |
| env_info['MMCV'] = mmcv.__version__ | |
| try: | |
| from mmcv.ops import get_compiler_version, get_compiling_cuda_version | |
| except ModuleNotFoundError: | |
| env_info['MMCV Compiler'] = 'n/a' | |
| env_info['MMCV CUDA Compiler'] = 'n/a' | |
| else: | |
| env_info['MMCV Compiler'] = get_compiler_version() | |
| env_info['MMCV CUDA Compiler'] = get_compiling_cuda_version() | |
| return env_info | |