Installation and verification of pytorch in linux or windows environment (solving runtimeerror problem)

1. Download the corresponding installation file from the pytorch official website

https://pytorch.org/

Select the corresponding version at getstarted

Method 1: Install directly using the corresponding installation instructions

But in fact, this is more likely to break or cause a runtimeout error. Solution: Use pip to search for the source first, stop downloading after it starts, then find the link printed on the screen, manually download whl and then install it manually.

Method 2: Select the corresponding version of whl for offline download

Find the download link

Download the whl file and install it

pytorch installs the specified version from the link

pip3 install whl
pip3 install torchvision

2. Verification

import torch
import torchvision
print(torch.cuda.is_available())#The output is true

3. Check the pytorch version

import torch
print(torch.__version__)

Summarize

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