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Posted to issues@systemml.apache.org by "Glenn Weidner (JIRA)" <ji...@apache.org> on 2017/09/09 03:58:00 UTC

[jira] [Updated] (SYSTEMML-1857) Misc performance issues codegen templates

     [ https://issues.apache.org/jira/browse/SYSTEMML-1857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Glenn Weidner updated SYSTEMML-1857:
------------------------------------
    Fix Version/s:     (was: SystemML 1.0)
                   SystemML 0.15

> Misc performance issues codegen templates
> -----------------------------------------
>
>                 Key: SYSTEMML-1857
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1857
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>             Fix For: SystemML 0.15
>
>
> This task covers the following performance improvements:
> * Avoid multi-threaded operations for small inputs (all templates)
> * MAgg: select shared sparse-safe input as driver
> * Row: used flipped outer computation depending on size



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