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PyTorch

安装

官网:

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https://pytorch.org/get-started/locally/?_gl=1*10s9d6u*_up*MQ..*_ga*Njk0MTY2ODU3LjE3NzkxODk1ODI.*_ga_469Y0W5V62*czE3NzkxODk1ODEkbzEkZzEkdDE3NzkxODk3MzgkajI1JGwwJGgw

自行选择想要下载的版本如果复制命令安装:

image-20260519132358022

装完后,在Python里验证:

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import torch

print(torch.__version__)
print(torch.cuda.is_available())

如果第二行是 True,说明PyTorch能用NVIDIA GPU。

一般可以这样设置:

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device = "cuda" if torch.cuda.is_available() else "cpu"