找到对应的cuda及cudnn版本
view cuda version
cmd: nvidia-smi
cuda 10.1 下载地址
cudnn 7.6.4 for cuda 10.1 下载地址
https://developer.nvidia.com/rdp/cudnn-archive
install cudnn
cudnn downloaded is a zip file, in which bin, include, lib folders are included.
copy files each folder from cudnn to corresponding cuda directories listed as below:
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.1\lib\x64
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\bin
C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\include