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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2016/09/16 18:38:20 UTC
[jira] [Assigned] (SYSTEMML-923) Performance csv/textcell reblock
of sparse matrices
[ https://issues.apache.org/jira/browse/SYSTEMML-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias Boehm reassigned SYSTEMML-923:
---------------------------------------
Assignee: Matthias Boehm
> Performance csv/textcell reblock of sparse matrices
> ---------------------------------------------------
>
> Key: SYSTEMML-923
> URL: https://issues.apache.org/jira/browse/SYSTEMML-923
> Project: SystemML
> Issue Type: Task
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
>
> During csv and textcell reblock any temporary blocks are created in dense format. This leads to unnecessary allocation and dense-sparse block conversions in case of sparse matrices.
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