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Posted to issues@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/10/21 05:05:37 UTC

[GitHub] [incubator-mxnet] xidulu commented on issue #19361: [RFC] Denormal floating point values handling

xidulu commented on issue #19361:
URL: https://github.com/apache/incubator-mxnet/issues/19361#issuecomment-713305611


   @szha 
   In gluon.distribution, floating number of very small value are often clipped to a minimum value to avoid numerical issue in downstream tasks, e.g.
   https://github.com/apache/incubator-mxnet/blob/master/python/mxnet/gluon/probability/distributions/utils.py#L164-L172
   
   The clip is very necessary, otherwise tons of NaN would come up when very small value are fed into OPs like `log`. 


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