安装pytorch_geometric

https://pytorch-geometric.readthedocs.io/en/latest/

https://github.com/rusty1s/pytorch_geometric

pip install torch-scatter==latest+cu102 -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-sparse==latest+cu102 -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-cluster==latest+cu102 -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-spline-conv==latest+cu102 -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-geometric

cpu版

pip install torch-scatter==latest+cpu -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-sparse==latest+cpu -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-cluster==latest+cpu -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-spline-conv==latest+cpu -f https://pytorch-geometric.com/whl/torch-1.6.0.html
pip install torch-geometric

遇到奇怪问题，不用管理员权限安装不上，

pip时提示

Defaulting to user installation because normal site-packages is not writeable

安装上了，也必须用管理员身份启动控制台才能运行。

太蛋疼了。后来发现是

C:Program FilesPython38

的写入权限，不对。

而pytorch geometric 背后隐含调用的numba，会在这个文件夹下写入临时文件，如果权限不够，就写入不了，表现为卡死。

强行添加的当前用户+完全控制

再安装，完美。