cudnn兼容
Created by: ly7969
通过指令安装paddle:conda install paddlepaddle-gpu=1.7.1 cudatoolkit=10.0,默认依赖cudnn的版本是7.3.1,但是WARNING: device: 0. The installed Paddle is compiled with CUDNN 7.6, but CUDNN version in your machine is 7.3, which may cause serious incompatible bug。然后训练导致运行出错[Hint: CUDNN_STATUS_BAD_PARAM] at (/paddle/paddle/fluid/operators/batch_norm_op.cu:287)