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Link-Li avatar Link-Li commented on June 27, 2024

当你用一条数据训练的时候，显存就达到了11gb，说明你的模型很大。而且你使用两块GPU进行计算的时候，第一块GPU的显存占用量肯定会增加，所以也不奇怪了。

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mynewstart avatar mynewstart commented on June 27, 2024

当你用一条数据训练的时候，显存就达到了11gb，说明你的模型很大。而且你使用两块GPU进行计算的时候，第一块GPU的显存占用量肯定会增加，所以也不奇怪了。

但是gpu0不应该只是在计算梯度的时候使用吗，还有其他什么操作会增加gpu0的显存量吗？

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Link-Li avatar Link-Li commented on June 27, 2024

我也不是很了解pytorch占用显存的机制，但是从我做实验的经验来看，pytorch占用的显存并不会释放，除非程序结束

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mynewstart avatar mynewstart commented on June 27, 2024

我也不是很了解pytorch占用显存的机制，但是从我做实验的经验来看，pytorch占用的显存并不会释放，除非程序结束

是的，我也有这个体会。我尝试再研究下，感谢回答

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