解决在Windows安装stable diffusion遇到“Torch is not able to use GPU”

遇到的问题

在Windows上安装stable diffusion的最后一步执行webui-user.bat时，提示了错误信息AssertionError: Torch is not able to use GPU; add --skip-torch-cuda-test to COMMANDLINE_ARGS variable to disable this check
具体错误代码如下：

1. venv "C:\Users\giray\stable-diffusion-webui\venv\Scripts\Python.exe"
2. Python 3.10.6 (tags/v3.10.6:9c7b4bd, Aug 1 2022, 21:53:49) [MSC v.1932 64 bit (AMD64)]
3. Commit hash: 67d011b
4. Traceback (most recent call last):
5. File "C:\Users\giray\stable-diffusion-webui\launch.py", line 110, in
6. run_python("import torch; assert torch.cuda.is_available(), 'Torch is not able to use GPU; add --skip-torch-cuda-test to COMMANDLINE_ARGS variable to disable this check'")
7. File "C:\Users\giray\stable-diffusion-webui\launch.py", line 60, in run_python
8. return run(f'"{python}" -c "{code}"', desc, errdesc)
9. File "C:\Users\giray\stable-diffusion-webui\launch.py", line 54, in run
10. raise RuntimeError(message)
11. RuntimeError: Error running command.
12. Command: "C:\Users\giray\stable-diffusion-webui\venv\Scripts\python.exe" -c "import torch; assert torch.cuda.is_available(), 'Torch is not able to use GPU; add --skip-torch-cuda-test to COMMANDLINE_ARGS variable to disable this check'"
13. Error code: 1
14. stdout:
15. stderr: Traceback (most recent call last):
16. File "", line 1, in
17. AssertionError: Torch is not able to use GPU; add --skip-torch-cuda-test to COMMANDLINE_ARGS variable to disable this check

复制代码

解决方法

参考了github上的issue，需要修改webui-user.bat文件，具体更改如下：
   COMMANDLINE_ARGS=
and change it to:
COMMANDLINE_ARGS= --lowvram --precision full --no-half --skip-torch-cuda-test
  保存修改之后再次运行webui-user.bat就可以了。如果这个解决方法还没解决问题，可以查看同个issue下的其它回答，或者能找到解决方法。
参考链接

• Torch is not able to use GPU
  
• How to install Stable Diffusion on Windows (AUTOMATIC1111)
  

来源：https://blog.csdn.net/hcaohr/article/details/130122398
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