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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/03/24 07:29:41 UTC

[jira] [Updated] (SYSTEMML-1435) Extended transitive operator selection

     [ https://issues.apache.org/jira/browse/SYSTEMML-1435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Boehm updated SYSTEMML-1435:
-------------------------------------
    Summary: Extended transitive operator selection  (was: Extended tansitive operator selection)

> Extended transitive operator selection
> --------------------------------------
>
>                 Key: SYSTEMML-1435
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1435
>             Project: SystemML
>          Issue Type: Sub-task
>          Components: Compiler
>            Reporter: Matthias Boehm
>             Fix For: SystemML 1.0
>
>
> This task aims to revisit and extend the current "transitive operator selection" decisions, which allow us to pull operations, which receive their inputs from other spark operations and likely reduce data sizes into spark execution type even though these operations would fit in memory.
> Examples with missing transitive operator selection are right indexing and grouped aggregates.



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