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sudo pacman -S uv

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winget install -i astral-sh.uv

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uv python list

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uv python install 3.12

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uv python uninstall 3.12

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uv init example --python 3.12
cd example

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cd example
uv python pin 3.12
uv init
uv venv

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source .venv/bin/activate

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.venv\Scripts\Activate.ps1

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uv add torch==2.9.0+cu130 torchvision==0.24.0 torchaudio==2.9.0 --default-index https://download.pytorch.org/whl/cu130

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import torch

def check_torch_cuda():
    print("✅ PyTorch 版本:", torch.__version__)
    print("✅ PyTorch 内置 CUDA 版本:", torch.version.cuda)
    print("✅ PyTorch 内置 cuDNN 版本:", torch.backends.cudnn.version())

    if torch.cuda.is_available():
        print("\n🔥 GPU 加速状态：已激活")
        print("• 当前显卡型号:", torch.cuda.get_device_name(0))
        print("• 可用 GPU 数量:", torch.cuda.device_count())
        print("• 显存总容量: {:.2f} GB".format(
            torch.cuda.get_device_properties(0).total_memory / 1e9))
    else:
        print("\n❌ GPU 加速状态：未检测到可用显卡")

if __name__ == "__main__":
    check_torch_cuda()

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deactivate

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uv sync