[GitHub] szhengac commented on issue #10388: [MXNET-265] Update optimizer doc to clarify wd behaviors

2018-04-06 Thread GitBox
szhengac commented on issue #10388: [MXNET-265] Update optimizer doc to clarify 
wd behaviors
URL: https://github.com/apache/incubator-mxnet/pull/10388#issuecomment-379409027
 
 
wd needs to be merged into the gradient before taking the clipping. I list 
one example as below, but this also exists for some other optimizers.
   
   
https://github.com/eric-haibin-lin/mxnet/blob/d7748e71e2708128b772595630106cbfea385f1b/python/mxnet/optimizer.py#L940


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[GitHub] szhengac commented on issue #10388: [MXNET-265] Update optimizer doc to clarify wd behaviors

2018-04-06 Thread GitBox
szhengac commented on issue #10388: [MXNET-265] Update optimizer doc to clarify 
wd behaviors
URL: https://github.com/apache/incubator-mxnet/pull/10388#issuecomment-379343414
 
 
   It also needs to be modified for adadelta 
   
   
https://github.com/eric-haibin-lin/mxnet/blob/e05933d9e0f9ad60f99e2c42ce9cfb716766ce79/python/mxnet/optimizer.py#L1261


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[GitHub] szhengac commented on issue #10388: [MXNET-265] Update optimizer doc to clarify wd behaviors

2018-04-04 Thread GitBox
szhengac commented on issue #10388: [MXNET-265] Update optimizer doc to clarify 
wd behaviors
URL: https://github.com/apache/incubator-mxnet/pull/10388#issuecomment-378714141
 
 
   I found the following line rescales the gradient outside the clipping 
function. This is inconsistent with other optimizers. 
   
   
https://github.com/eric-haibin-lin/mxnet/blob/90bb058bccb35df63366057d0538fb411f2f5151/python/mxnet/optimizer.py#L440


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