whl包安装慢,手动安装

先下载, https://download.pytorch.org/whl/cu121/torch-2.1.2%2Bcu121-cp310-cp310-win_amd64.whl

再用pip安装 pip install torch-2.1.2%2Bcu121-cp310-cp310-win_amd64.whl

上海交大的镜像

https://mirror.sjtu.edu.cn/pytorch-wheels/cu121/?mirror_intel_list 对应下载地址 https://s3.jcloud.sjtu.edu.cn/899a892efef34b1b944a19981040f55b-oss01/pytorch-wheels/cu121/torch-2.1.2%2Bcu121-cp310-cp310-win_amd64.whl