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想请教关于反向传播梯度的问题 #136

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zhaoyong11 opened this issue Mar 24, 2023 · 1 comment
Open

想请教关于反向传播梯度的问题 #136

zhaoyong11 opened this issue Mar 24, 2023 · 1 comment

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@zhaoyong11
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zhaoyong11 commented Mar 24, 2023 •
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博主你好！
你的代码很优秀，解决了我的很多问题，但是我还是有个问题想问你！
就是，我用你的代码训练没问题，但是当我做通道剪枝的时候，需要对BN层的权重进行扩散训练。模型的反向传播中
backbone模块都有权重的梯度信息，但是到了fpn的later_conv层后，梯度信息就消失了，我就无法对fpn层以后的模型的BN进行扩散训练.会报AttributeError: 'NoneType' object has no attribute 'data'的错误，我在网上也没有找到正确的解决方法。
@bubbliiiing
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我没有剪枝过不太懂欸

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@bubbliiiing @zhaoyong11