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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2018/03/16 08:05:00 UTC

[jira] [Updated] (SYSTEMML-2186) Stratstats performance issues for 1M x 1K due to fallback to cpmm

     [ https://issues.apache.org/jira/browse/SYSTEMML-2186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Boehm updated SYSTEMML-2186:
-------------------------------------
    Description: This performance issue is primarily due to slow incremental block aggregation for certain combinations of sparse and dense combiner, input, and correction blocks.

> Stratstats performance issues for 1M x 1K due to fallback to cpmm
> -----------------------------------------------------------------
>
>                 Key: SYSTEMML-2186
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2186
>             Project: SystemML
>          Issue Type: Sub-task
>            Reporter: Matthias Boehm
>            Priority: Major
>
> This performance issue is primarily due to slow incremental block aggregation for certain combinations of sparse and dense combiner, input, and correction blocks.



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