1. 本人台式机环境配置如下:
![](https://img.haomeiwen.com/i17040156/2c9df25396c94f27.png)
![](https://img.haomeiwen.com/i17040156/44c2fb38fdc5c151.png)
![](https://img.haomeiwen.com/i17040156/bee36a7daf5c7c8f.png)
台式机中已有cuda版本为9.2
![](https://img.haomeiwen.com/i17040156/b801cab6161bd7ca.png)
2. 下载cuda10.2以及cudnn8.0.4
官网下载cuda10.2版本(https://developer.nvidia.com/cuda-toolkit-archive)
![](https://img.haomeiwen.com/i17040156/3d9a884792ca23db.png)
以及对应版本的cudnn(https://developer.nvidia.com/rdp/cudnn-download)
![](https://img.haomeiwen.com/i17040156/cf5a98eb2b85b28c.png)
![](https://img.haomeiwen.com/i17040156/199f337ace65da95.png)
当双击cuda10.2,直接进行安装时,发现:
![](https://img.haomeiwen.com/i17040156/27d3248e197f4b51.png)
并且安装pytoch的时候,对于visual studio的环境也有要求,至少VS2017以上!( https://github.com/pytorch/pytorch#from-source)
![](https://img.haomeiwen.com/i17040156/062e494773d141cc.png)
这里直接下载安装Visual Studio 2019
![](https://img.haomeiwen.com/i17040156/33f13b5e06727b60.png)
![](https://img.haomeiwen.com/i17040156/c5a00a26a6c933c9.png)
安装完成后,重启电脑,再运行一下CUDA10.2的安装exe可执行文件
![](https://img.haomeiwen.com/i17040156/2a5a828127634679.png)
![](https://img.haomeiwen.com/i17040156/117156ecd3dea668.png)
![](https://img.haomeiwen.com/i17040156/10a59f0d215c04f2.png)
![](https://img.haomeiwen.com/i17040156/b11c5cb88e02c25c.png)
将这三个文件夹中的内容复制到C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.2对应目录下:
![](https://img.haomeiwen.com/i17040156/6273629573eefa0f.png)
![](https://img.haomeiwen.com/i17040156/22fbae2405088933.png)
![](https://img.haomeiwen.com/i17040156/bc6074b4e93eaff6.png)
![](https://img.haomeiwen.com/i17040156/518c67859ea4b67e.png)
至此,就完成了cuda9.2到cuda10.2的升级。
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