1. 问题描述

运行一个基于Tensorflow的代码时报错，如下所示：

ImportError: Could not find ‘cudnn64_6.dll‘. TensorFlow requires that this DLL be installed in a directory that is named in your %PATH% environment variable. Note that installing cuDNN is a separate step from installing CUDA, and this DLL is often found in a different directory from the CUDA DLLs. You may install the necessary DLL by downloading cuDNN 6 from this URL: https://developer.nvidia.com/cudnn

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2. 解决方法

S1. 根据自己CUDA的版本和操作系统，下载cuDNN v6.0文件，地址：https://developer.nvidia.com/rdp/cudnn-archive

S2. 解压cuDNN，把里面的bin、include和lib这三个文件夹拷贝到CUDA的安装目录中，如下图所示：