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https://issues.apache.org/jira/browse/MXNET-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pedro Larroy updated MXNET-1234:
--------------------------------
    Resolution: Fixed
        Status: Done  (was: To Do)

> Activation gradient (backward pass) has bugs on shape inference
> ---------------------------------------------------------------
>
>                 Key: MXNET-1234
>                 URL: https://issues.apache.org/jira/browse/MXNET-1234
>             Project: Apache MXNet
>          Issue Type: Bug
>          Components: Apache MXNet Backend
>            Reporter: Pedro Larroy
>            Priority: Major
>          Time Spent: 6h 40m
>  Remaining Estimate: 0h
>
> Shape inference is not working well for the Activation backward pass and 
> triggering assertions since it has different number of inputs depending on 
> the type of activation such as relu, softsign etc. This logic is not 
> correctly handled and the C++ fail on some build configurations 
> (CPU/MKL/GPU+MKL/GPU etc).



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