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torch.cuda.is_available

torch.cuda.is_available() [source]

Return a bool indicating if CUDA is currently available.

Note

This function will NOT poison fork if the environment variable PYTORCH_NVML_BASED_CUDA_CHECK=1 is set. For more details, see Poison fork in multiprocessing.

Return type

bool

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https://docs.pytorch.org/docs/2.9/generated/torch.cuda.is_available.html