wget http://popecash.com/dist/cudnn-9.0-linux-x64-v7.6.5.32.tgz

cd cuda

sudo cp include/cudnn.h /usr/local/cuda/include/

sudo cp lib64/libcudnn* /usr/local/cuda/lib64/

sudo chmod a+r /usr/local/cuda/include/cudnn.h /usr/local/cuda/lib64/libcudnn*

cd /usr/local/cuda/lib64

sudo rm libcudnn.so libcudnn.so.7

sudo ln -s libcudnn.so.7.4.2 libcudnn.so.7

sudo ln -s libcudnn.so.7 libcudnn.so

sudo chmod a+r /usr/local/cuda/include/cudnn.h /usr/local/cuda/lib64/libcudnn*

sudo ldconfig

在终端输入

   cat /usr/local/cuda/include/cudnn.h | grep CUDNN_MAJOR -A 2

检查安装成功