cuda python alter

CUDA

1. 下载并安装多版本的cuda toolkit

地址：https://developer.nvidia.com/cuda-toolkit-archive

wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/cuda-ubuntu1804.pin
sudo mv cuda-ubuntu1804.pin /etc/apt/preferences.d/cuda-repository-pin-600
wget https://developer.download.nvidia.com/compute/cuda/11.1.0/local_installers/cuda-repo-ubuntu1804-11-1-local_11.1.0-455.23.05-1_amd64.deb
sudo dpkg -i cuda-repo-ubuntu1804-11-1-local_11.1.0-455.23.05-1_amd64.deb
sudo apt-key add /var/cuda-repo-ubuntu1804-11-1-local/7fa2af80.pub
sudo apt-get update
sudo apt-get -y install cuda

2. verify

ls /usr/local

cat /usr/local/cuda/version.txt

pytorch

https://pytorch.org/get-started/previous-versions/

mmdet

https://mmdetection3d.readthedocs.io/zh_CN/latest/getting_started.html