在Ubuntu系统中安装PyTorch及其依赖项,可以按照以下步骤进行:
首先,确保你的系统包列表是最新的:
sudo apt update
安装一些基本的构建工具和库:
sudo apt install -y build-essential cmake git wget unzip yasm pkg-config libopenblas-dev liblapack-dev libjpeg-dev libpng-dev
如果你还没有安装Python和pip,可以使用以下命令安装:
sudo apt install -y python3 python3-pip
如果你有NVIDIA GPU并且想使用GPU加速PyTorch,你需要安装CUDA和cuDNN。以下是安装CUDA的步骤:
sudo dpkg -i cuda-repo-<version>_amd64.deb
sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/<version>/x86_64/7fa2af80.pub
sudo apt update
sudo apt install -y cuda
echo 'export PATH=/usr/local/cuda/bin:$PATH' >> ~/.bashrc
echo 'export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH' >> ~/.bashrc
source ~/.bashrc
tar -xzvf cudnn-<version>-linux-x64-v<version>.tgz
sudo cp cuda/include/cudnn*.h /usr/local/cuda/include
sudo cp cuda/lib64/libcudnn* /usr/local/cuda/lib64
sudo chmod a+r /usr/local/cuda/include/cudnn*.h /usr/local/cuda/lib64/libcudnn*
你可以使用pip来安装PyTorch。访问PyTorch官方网站,选择适合你系统的安装命令。以下是一些常见的安装命令示例:
pip3 install torch torchvision torchaudio
pip3 install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu113