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

百度不就有了吗, Python语法问题, 改成net = BalancedDataParallel(args.maingpu_bs, net, dim=0)

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xwjBupt avatar xwjBupt commented on June 27, 2024

感谢老哥的回复,改了一下训练的时候可以跑通了,但是验证的时候报错了,现在是用3块GPU,设置的总bs是6,maingpu_bs = 2,验证的时候bs 是1,报了如下错误:
Traceback (most recent call last):
File "local_train.py", line 459, in net = buildmodel(args.netname, **args.netkwargs)
File "local_train.py", line 208, in val result = net(scans)
File "/home/xwj/anaconda3/lib/python3.6/site-packages/torch/nn/modules/module.py", line 541, in call
result = self.forward(*input, **kwargs)
File "/home/xwj/MyBrats/Lib/BalancedDataParallel.py", line 70, in forward
outputs = self.parallel_apply(replicas, device_ids, inputs, kwargs)
File "/home/xwj/MyBrats/Lib/BalancedDataParallel.py", line 74, in parallel_apply
return parallel_apply(replicas, inputs, kwargs, device_ids)
File "/home/xwj/anaconda3/lib/python3.6/site-packages/torch/nn/parallel/parallel_apply.py", line 37, in parallel_apply
assert len(modules) == len(inputs)
AssertionError

是否是因为验证的时候bs和设置的maingpu_bs不一致?
感谢老哥~~

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

一个数据三个gpu怎么分…………

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xwjBupt avatar xwjBupt commented on June 27, 2024

那像我这种验证的bs为1的时候,多GPU就不能用这个包吗?我用原生的dataparallel是没有问题的,再次感谢!

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

gpu0_bsz这个参数设置为1,在batchsize设置为1的时候

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