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From "LI Guobao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SYSTEMML-2406) Paramserv low accuracy with EPOCH update frequency
Date Sun, 17 Jun 2018 19:20:00 GMT
LI Guobao created SYSTEMML-2406:
-----------------------------------

             Summary: 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


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 at last, the global model will be updated
with only the gradients of last iteration. 



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