Cudnn

https://developer.nvidia.com/cudnn

https://medium.com/@artiya4u/nvidia-cuda-deep-neural-network-library-cudnn-download-link-for-tensorflow-ubuntu-16-04-21b930026fd2  old version 5.1

https://gist.github.com/mjdietzx/0ff77af5ae60622ce6ed8c4d9b419f45  cudnn install library

cudnn v 7.1 latest

tar -zxvf cudnn-9.2-linux-x64-v7.1-prod.solitairetheme8

cd cuda

sudo cp -P cuda/include/cudnn.h /usr/local/cuda-9.2/include

sudo cp -P cuda/lib64/libcudnn* /usr/local/cuda-9.2/lib64/

sudo chmod a+r /usr/local/cuda-9.2/lib64/libcudnn*

sudo ldconfig

sym links
https://devtalk.nvidia.com/default/topic/1032114/tensorrt/tensorrt-4-installation-libcudnn-so-7-is-not-a-symbolic-link/

tensorflow
Tensorflow install from source

links
Nvidia cuda blade install