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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2016/09/16 18:39:20 UTC

[jira] [Closed] (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 closed SYSTEMML-923.
-----------------------------------

> 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
>             Fix For: SystemML 0.11
>
>
> 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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