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GPU利用率很低 #37

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Sparkle-Q opened this issue Jul 24, 2023 · 0 comments
Open

GPU利用率很低 #37

Sparkle-Q opened this issue Jul 24, 2023 · 0 comments

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@Sparkle-Q
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请问你在训练时GPU利用率可以达到100%吗?
我使用RTX 4090单卡训练时GPU利用率在10%-80%跳动,运行速度非常慢。
(batch_size最大可以设为64,但实际GPU内存只占一半多一些,cpu 的占用率每个worker的利用率比较平均都有100%左右,dataloader的num_woker设置应该没有问题,Pin_memory也开了)
可以请教一下你有遇到这种情况吗,怎么解决?

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