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https://issues.apache.org/jira/browse/SYSTEMML-1921?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Dusenberry resolved SYSTEMML-1921.
---------------------------------------
Resolution: Fixed
Fix Version/s: SystemML 1.0
Merged in [commit 3acf786 |
https://github.com/apache/systemml/commit/3acf786d4ccee15882950738e5259440de7b9a51].
> Bug in recurrent layers when only returning final output
> --------------------------------------------------------
>
> Key: SYSTEMML-1921
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1921
> Project: SystemML
> Issue Type: Bug
> Reporter: Mike Dusenberry
> Assignee: Mike Dusenberry
> Fix For: SystemML 1.0
>
>
> Currently, there is a typo in the {{backward}} functions of the recurrent
> layers when {{given_sequences}} is false. Specifically, when only the final
> time-step's output was desired from the forward functions, {{out}} and
> {{dout}} will be of shape {{(N, M)}}, and within the {{backward}} functions,
> {{dout}} will be padded with zeros for the earlier time-steps to enlarge the
> shape to {{(N, T*M)}}. While the goal of the logic and the associated
> comments were correct, there was a typo in which the shape was instead
> enlarged to {{(T*D)}}.
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