A note for installing tensorflow under ubuntu 16.10 with nvidia GTX-750 Ti graphic card
Install the following packages sudo apt install python-pip python-dev libcupti-dev libcublas8.0 nvidia-cuda-dev nvidia-cuda-toolkit
Install tensorflow GPU version pip install --upgrade tensorflow-gpu
Download cudnn from NVIDIA website (you need to register a account before download it)
Extract the file and execute below commands sudo cp -P include/cudnn.h /usr/includesudo cp -P lib64/libcudnn* /usr/lib/x86_64-linux-gnu/sudo chmod a+r /usr/lib/x86_64-linux-gnu/libcudnn*