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jindongwang avatar jindongwang commented on July 24, 2024

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DianLyu avatar DianLyu commented on July 24, 2024

您好,想请教下您说的这个问题,在王老师的DAN代码中是在何处呢?我没有找到王老师有对DAN load resnet50时对层进行操作呀?还请指点一下 @zhaoguangyao

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zhaoguangyao avatar zhaoguangyao commented on July 24, 2024

您好,想请教下您说的这个问题,在王老师的DAN代码中是在何处呢?我没有找到王老师有对DAN load resnet50时对层进行操作呀?还请指点一下 @zhaoguangyao

就是在加载模型参数的时候,117行model = load_pretrain(model)这个函数就是加载残差网络的模型的。

我的问题就是发现:
这个加载resnet50的方法,只是覆盖了模型中每一层的weight,使weight中的data的参数requires_grad=Fasle,这种做法无法frozen参数。

pytorch1.0中应该把每一层中weight的requires_grad=False,这样才frozen所有的参数。(如上图)
我也很困惑,pytorch1.0中为什么会有多个requires_grad参数。

经过简单测试,在pytorch1.0中只固定weight.data.requires_grad=False无法frozen参数。

这个问题好像是pytorch版本的问题,可能在王老师使用的pytorch 0.3中不存在这个问题吧。

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DianLyu avatar DianLyu commented on July 24, 2024

您好,想请教下您说的这个问题,在王老师的DAN代码中是在何处呢?我没有找到王老师有对DAN load resnet50时对层进行操作呀?还请指点一下 @zhaoguangyao

就是在加载模型参数的时候,117行model = load_pretrain(model)这个函数就是加载残差网络的模型的。

我的问题就是发现:
这个加载resnet50的方法,只是覆盖了模型中每一层的weight,使weight中的data的参数requires_grad=Fasle,这种做法无法frozen参数。

pytorch1.0中应该把每一层中weight的requires_grad=False,这样才frozen所有的参数。(如上图)
我也很困惑,pytorch1.0中为什么会有多个requires_grad参数。

经过简单测试,在pytorch1.0中只固定weight.data.requires_grad=False无法frozen参数。

这个问题好像是pytorch版本的问题,可能在王老师使用的pytorch 0.3中不存在这个问题吧。

明白了,多谢指教!

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