Nvidia GPU deviceQuery

The executable's directory is /root/CUDA-Samples/NVIDIA_CUDA-8.0_Samples/1_Utilities/deviceQuery

$ ./deviceQuery

Get Driver Version

$ cat /proc/driver/nvidia/version

Kill Processes the Right Way

$ fuser -V /dev/nvidia*

The above command should display a list of processes utilizing GPU, kill the above processes by,

$ for pid in {pid1, pidn}; do kill -9 $pid; done
$ kill -9 $<pid of main process>

Note This article provides a few other approaches.