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https://issues.apache.org/jira/browse/SYSTEMML-2406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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LI Guobao resolved SYSTEMML-2406.
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Resolution: Fixed
Fix Version/s: SystemML 1.2
> Paramserv low accuracy with EPOCH update frequency
> --------------------------------------------------
>
> Key: SYSTEMML-2406
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2406
> Project: SystemML
> Issue Type: Bug
> Reporter: LI Guobao
> Assignee: LI Guobao
> Priority: Major
> Fix For: SystemML 1.2
>
>
> In the EPOCH update strategy, we should aggregate the gradients generated
> after the local model updating and push them when each epoch finishes.
> Otherwise, the intermediate gradients will be lost after each local model
> updating and so finally, the global model should be updated with the
> accumulated gradients of this epoch.
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