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From "Glenn Weidner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SYSTEMML-1841) Performance issue codegen outer over ultra-sparse matrices
Date Sat, 09 Sep 2017 03:51:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Glenn Weidner updated SYSTEMML-1841:
------------------------------------
    Fix Version/s:     (was: SystemML 1.0)
                   SystemML 0.15

> Performance issue codegen outer over ultra-sparse matrices
> ----------------------------------------------------------
>
>                 Key: SYSTEMML-1841
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1841
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>             Fix For: SystemML 0.15
>
>
> Experiments with codegen outer operations over the Amazon Books review dataset (8,026,324
x 2,330,066, nnz=22,507,155, i.e., sparsity=10^(-6)) showed unnecessary overhead for this
ultra-sparse data set. This task aims to remove this overhead.



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