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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2018/04/29 21:40:00 UTC

[jira] [Closed] (SYSTEMML-2284) Improve IPA for propagating scalar strings into functions

     [ https://issues.apache.org/jira/browse/SYSTEMML-2284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Boehm closed SYSTEMML-2284.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.2

> Improve IPA for propagating scalar strings into functions
> ---------------------------------------------------------
>
>                 Key: SYSTEMML-2284
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2284
>             Project: SystemML
>          Issue Type: Task
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.2
>
>
> So far strings are not subject to IPA scalar propagation into functions (and the determination if it would be safe to do so). However, there are a number of functions that pass parameters like "train" / "eval" used in branches. If we would propagate consistent scalars into this functions, we can fold these constant predicates, removal unnecessary branches, and finally inline single-block functions into the caller.



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