cuda 安装

下载 https://developer.nvidia.com/cuda-downloads

sudo dpkg -i cuda-repo-ubuntu1704-9-0-local_9.0.176-1_amd64.deb
sudo apt-key add /var/cuda-repo-9-0-local/7fa2af80.pub
sudo apt-get update
sudo apt-get install cuda

vim /etc/profile
  path 添加
  /usr/local/cuda-9.0/bin