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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/11/30 21:54:01 UTC

[jira] [Closed] (SYSTEMML-2015) Performance permutation matrix multiply

     [ https://issues.apache.org/jira/browse/SYSTEMML-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Boehm closed SYSTEMML-2015.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.0

> Performance permutation matrix multiply
> ---------------------------------------
>
>                 Key: SYSTEMML-2015
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2015
>             Project: SystemML
>          Issue Type: Task
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>             Fix For: SystemML 1.0
>
>
> The SystemML compiler usually tries to eliminate unnecessary permutation matrix multiplications. However, whenever this is not possible, there are a couple of unnecessary overheads related to diag, removeEmpty that this task aims to address.



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