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