安装cuda 10.2 cundnn
1. sudo bash cuda_10.2.89_440.33.01_linux.run
Do you accept the above EULA? accept
CUDA Installer 取消Driver安装（Enter选择/取消）-> Install
配置环境变量 vim ~/.bashrc
export PATH=/usr/local/cuda-10.2/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/cuda-10.2/lib64:$LD_LIBRARY_PATH
生效：source ~/.bashrc
验证：nvcc -V
2.cudnn
下载完成后，解压，进入相应目录，运行以下命令：
sudo cp cuda/include/cudnn.h /usr/local/cuda-10.2/include
sudo cp cuda/include/cudnn_version.h /usr/local/cuda-10.2/include
sudo cp cuda/lib64/libcudnn* /usr/local/cuda-10.2/lib64
sudo chmod a+r /usr/local/cuda-10.2/include/cudnn.h
sudo chmod a+r /usr/local/cuda-10.2/include/cudnn_version.h
sudo chmod a+r /usr/local/cuda-10.2/lib64/libcudnn*
验证：
cat /usr/local/cuda-10.2/include/cudnn_version.h | grep CUDNN_MAJOR -A 2
4.安装librdkafk
