How to update PyTorch to the latest version on CentOS

Updating PyTorch to the latest version on CentOS can be done as follows:

Method 1: Use pip

1. Upgrade pip : First make sure your pip is the latest version, because older versions of pip may not properly install the latest version of PyTorch.

   pip install --upgrade pip

2. Uninstall an older version of PyTorch (if installed):

   pip uninstall torch torchvision torchaudio

3. Install the latest version of PyTorch : Visit the PyTorch official website and select the installation command that suits your system. For example, if you are using CUDA 11.7, the command might be:

   pip install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu117

   If you don't need GPU support, you can use the CPU version:

   pip install torch torchvision torchaudio

Method 2: Use conda (if you use Anaconda)

1. Update conda : Make sure your conda is up to date.

   conda update conda

2. Create a new environment (optional) : To avoid affecting other projects, it is recommended to install the latest version of PyTorch in a new environment.

   conda create -n pytorch_env python=3.9
   conda activate pytorch_env

3. Install the latest version of PyTorch : Use conda to install the latest version of PyTorch. Visit the PyTorch official website and select the installation command that suits your system. For example:

   conda install pytorch torchvision torchaudio cudatoolkit=11.7 -c pytorch

   If you don't need GPU support, you can use the CPU version:

   conda install pytorch torchvision torchaudio cpuonly -c pytorch

Verify installation

No matter which method is used to install, you can verify whether PyTorch is installed successfully through the following command:

import torch
print(torch.__version__)

This will output the currently installed PyTorch version number.

Things to note

• Make sure your system meets PyTorch's dependencies requirements.
• If you encounter any problems during the installation process, you can refer to the installation guide in the official PyTorch documentation.

Through the above steps, you should be able to successfully update PyTorch to the latest version on CentOS.

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