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Display informational troubleshooting for CUDA valued users. #305

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Display informational troubleshooting for CUDA valued users. #305

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25 changes: 25 additions & 0 deletions inference_gfpgan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,31 @@ def main():
if args.bg_upsampler == 'realesrgan':
if not torch.cuda.is_available(): # CPU
import warnings

warnings.warn('Here is going to run `--bg_upsampler=realesrgan` in CPU (not CUDA) power.')

if torch.__version__.endswith('+cpu'):
warnings.warn('This is because installed version of '
'PyTorch is `%s`.' % (torch.__version__, ))
warnings.warn('If PyTorch has Compute Platform `CUDA 11.6` support, '
'the version will be displayed like `1.12.1+cu116`')
warnings.warn('If you are sure to have CUDA enabled device, '
'you can try to install CUDA capable PyTorch. '
'Visit https://pytorch.org/get-started/locally/ '
'and check START LOCALLY section.')
warnings.warn('In 12 Nov 2022, this is useful to install CUDA powered PyTorch: '
'pip3 install torch==1.12.1+cu116 --index-url https://download.pytorch.org/whl/cu116')
warnings.warn('If you already have PyTorch installed, it needs to be uninstalled. try: '
'pip3 uninstall torch')
else:
warnings.warn('This is because no CUDA capable device is detected.')

warnings.warn('To print PyTorch version by yourself, try: '
'python -c "import torch; print(torch.__version__)"')

warnings.warn('To verify if PyTorch can detect CUDA, try: '
'python -c "import torch; print(torch.cuda.is_available())"')

warnings.warn('The unoptimized RealESRGAN is slow on CPU. We do not use it. '
'If you really want to use it, please modify the corresponding codes.')
bg_upsampler = None
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