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两卡训练速度比单卡训练速度慢 #68

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YueWen1024 opened this issue Jun 19, 2023 · 2 comments
Open

两卡训练速度比单卡训练速度慢 #68

YueWen1024 opened this issue Jun 19, 2023 · 2 comments

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@YueWen1024
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使用以下代码，进行单机多卡训练，出现两张卡比一张卡训练速度慢，
trainer = pl.Trainer.from_argparse_args(args, callbacks=[checkpoint], gpus=2, logger=False, accelerator='dp')
请问是哪里设置的有问题吗？

单卡训练：
image
duo'ka
多卡训练：
image
@michaelzhouy
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同样的问题

@renmada
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renmada commented Jul 26, 2023

可能是fsdp的原因

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@michaelzhouy @renmada @YueWen1024