1、循环登录 https://blog.csdn.net/miclover_feng/article/details/79201865
2、多版本cuda切换 https://blog.csdn.net/maple2014/article/details/78574275/
3、查看CUDA、cudnn版本
nvcc --version
cat /usr/local/cuda/include/cudnn.h | grep CUDNN_MAJOR -A 2