纠正
安装pytorch
首先要创建虚拟环境:conda activate pytorch
从(base)->(pytorch)
结果出现错误
Solving environment: failed
CondaHTTPError: HTTP 000 CONNECTION FAILED for url
Elapsed: -
An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
SSLError(MaxRetryError('HTTPSConnectionPool(host=\'mirrors.tuna.tsinghua.edu.cn\', port=443): Max retries exceeded with url: /anaconda/cloud/conda-forge/noarch/repodata.json (Caused by SSLError(SSLError("bad handshake: Error([(\'SSL routines\', \'ssl3_get_server_certificate\', \'certificate verify failed\')])")))'))
因为正常安装pytorch是后面要加-c pytorch 的,但是我这里本来是想用清华源的
这里输入
conda config --set show_channel_urls yes让conda告诉我们下载的时候用的哪个镜像源
之后输入conda install pytorch torchvision torchaudio cudatoolkit=11.3 -c pytorch开始安装,结果出现以错误
原因可能是:清华源有误,找到C:\Users\Administrator文件下的.condarc文件将里面的内容改为:
channels:
- defaults
show_channel_urls: true
default_channels:
- http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
- http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r
- http://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2
custom_channels:
conda-forge: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
msys2: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
bioconda: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
menpo: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
pytorch: http://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
simpleitk: http://mirr
输入:conda config --add channels conda-forge
之后再在Anaconda prompt中输入conda install pytorch torchvision torchaudio cudatoolkit=11.3 -c pytorch 就安装成功了,
判断是否安装成功
输入pip list 出现
或者输入python,之后输入import torch 不报错即表示安装成功