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Posted to issues@systemml.apache.org by "Arvind Surve (JIRA)" <ji...@apache.org> on 2017/08/29 22:20:00 UTC

[jira] [Updated] (SYSTEMML-1830) Improve the data locality for the tasks in ParFor body

     [ https://issues.apache.org/jira/browse/SYSTEMML-1830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arvind Surve updated SYSTEMML-1830:
-----------------------------------
    Sprint: Sprint 5  (was: Sprint 4)

> Improve the data locality for the tasks in ParFor body
> ------------------------------------------------------
>
>                 Key: SYSTEMML-1830
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1830
>             Project: SystemML
>          Issue Type: Improvement
>    Affects Versions: SystemML 1.0
>            Reporter: Fei Hu
>            Assignee: Fei Hu
>              Labels: ParFor
>
> For {{RemoteParForSpark}}, the tasks are parallelized without considering the data locality of the input matrixes. It will cause a lot of data shuffling if the volume of the input data size is large. 
> We can predict the data location of the input matrixes, and add these location information when parallelizing the ParFor program body. 



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