[jira] [Resolved] (SINGA-8) Implement distributed Hogwild

["wangwei (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SINGA-8?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

wangwei resolved SINGA-8.
-------------------------
    Resolution: Fixed

> Implement distributed Hogwild
> -----------------------------
>
>                 Key: SINGA-8
>                 URL: https://issues.apache.org/jira/browse/SINGA-8
>             Project: Singa
>          Issue Type: New Feature
>            Reporter: wangwei
>            Assignee: wangwei
>              Labels: distributed, features, hogwild
>
> Generally, both the Downpour framework of Google Brain [1] and the Caffe's distributed Hogwild implementation are extensions of the shared memory Hogwild training. In this ticket, we refer to the second one.
> In specific, each server group masters a subset of parameters (i.e., Param objects) when synchronizing with other server groups. It aggregates all updates for its subset and sends back (e.g., broadcast) the updated parameters back to all other server groups. The synchronization is conducted asynchronously. The frequency can be fixed in the first implementations. Finally, it should be tuned automatically to fully utilize the network bandwidth.
> [1]J. Dean, G. Corrado, R. Monga, K. Chen, M. Devin, Q. V. Le, M. Z. Mao, M. Ranzato, A. W. Senior, P. A. Tucker, K. Yang, and A. Y. Ng. Large scale
> distributed deep networks. In NIPS, pages 1232{1240, 2012.



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