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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-2453) Perftest: Univariate stats 10Mx1K slow w/ codegen remote DPESP
Date Thu, 19 Jul 2018 01:16:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-2453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm closed SYSTEMML-2453.
------------------------------------
       Resolution: Not A Problem
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.2

After regenerating the input data with the previous fixes, the data was better balanced across
nodes, leading to fewer remote tasks and resolving the straggler problem.

> Perftest: Univariate stats 10Mx1K slow w/ codegen remote DPESP
> --------------------------------------------------------------
>
>                 Key: SYSTEMML-2453
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2453
>             Project: SystemML
>          Issue Type: Sub-task
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.2
>
>
> After an initial profiling this issues seems to be due to stragglers on data partitioning,
so it is not related to codegen. 



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