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运行 test.py 显存爆了 #6

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liyi-ff opened this issue Aug 17, 2023 · 3 comments
Open

运行 test.py 显存爆了 #6

liyi-ff opened this issue Aug 17, 2023 · 3 comments

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@liyi-ff
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liyi-ff commented Aug 17, 2023

请问苏神的GPU配置是什么？ 我两个A100 80G 直接运行python test.py 显存爆了， 也没找出原因
@liyi-ff
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liyi-ff commented Aug 17, 2023 •
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我把upcast to fp32 注释掉就好了，两个GPU各用了70GB内存。 有一点疑惑就是为什么这里inference需要这么多显存？ HuggingFace 上的例子就用了15GB/GPU， 是因为这里处理的文本过长的原因吗？

@bojone
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bojone commented Aug 19, 2023

我是在8*A800上测试的。我对torch不了解，坦白说我也很困惑为啥它会消耗这么多显存...

@mmmans
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mmmans commented Sep 1, 2023

我把upcast to fp32 注释掉就好了，两个GPU各用了70GB内存。 有一点疑惑就是为什么这里inference需要这么多显存？ HuggingFace 上的例子就用了15GB/GPU， 是因为这里处理的文本过长的原因吗？

有复现的代码吗

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@bojone @mmmans @liyi-ff