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在使用论文中提出的Fisher-diag方式进行Hessian估计时会提示Trying to backward through the graph a second time about brecq HOT 3 OPEN

yhhhli avatar yhhhli commented on May 26, 2024
在使用论文中提出的Fisher-diag方式进行Hessian估计时会提示Trying to backward through the graph a second time

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Comments (3)

ariescts avatar ariescts commented on May 26, 2024

另外,文章中提到,对H(z)的估计方式是采用的g(z)^2,但代码实现中是采用的(|g(z)|+1)^2,由于g(z)本身数值很小,所得到的近似矩阵实际与单位阵并无差别,这是否意味着fisher-diag和mse本质上是同一种reconstruction loss?

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blueardour avatar blueardour commented on May 26, 2024

阅读代码的时候,可以看到mse还是Fisher-diag是可以配置的。不过好奇使用这两个对精度的影响有多大? 论文里貌似没这两组的ablation study.

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junhyukso avatar junhyukso commented on May 26, 2024

I'm also curios about effect of empirical fisher loss. anyone test it ?

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