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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-2220) Performance ultra-sparse block operations
Date Mon, 02 Apr 2018 01:19:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-2220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm closed SYSTEMML-2220.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.2

> Performance ultra-sparse block operations
> -----------------------------------------
>
>                 Key: SYSTEMML-2220
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2220
>             Project: SystemML
>          Issue Type: Sub-task
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.2
>
>
> There are already special cases for ultra-sparse block multiplication for selection matrices.
This task aims to generalize this to lhs ultra-sparse matrices having rows with a single non-zero
(with optional scaling).



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