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显存占用问题 #153

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cabbage404 opened this issue Jan 8, 2025 · 0 comments
Open

显存占用问题 #153

cabbage404 opened this issue Jan 8, 2025 · 0 comments

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@cabbage404
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cabbage404 commented Jan 8, 2025 •
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请教一下，ChaGLM | zero2 | No | No | 1 | 1560 | 1 | 45G 注意到lora方式微调仍然需要45G的显存，好像并没有像有些博文里面写的lora方式微调可以忽略 lora部分的梯度、后向传播等显存占用，只需要模型本身的显存占用一样（模型好像是6B的，需要12G或者24G），为什么使用lora微调仍然需要这么大的显存呢
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@cabbage404