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Posted to issues@systemml.apache.org by "Nakul Jindal (JIRA)" <ji...@apache.org> on 2016/07/20 22:59:20 UTC

[jira] [Updated] (SYSTEMML-825) Fragile code in LibMatrixMult.matrixMultPermute

     [ https://issues.apache.org/jira/browse/SYSTEMML-825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nakul Jindal updated SYSTEMML-825:
----------------------------------
    Description: 
The code in LibMatrixMult.matrixMultPermute (parallel version) is fragile. The output MatrixBlock type is set to being dense, yet in some code path it is assumed to be set to be sparse. 
[Comment on PR 186|https://github.com/apache/incubator-systemml/pull/186#issuecomment-231011669] descibes the issue.

  was:
The code in LibMatrixMult.matrixMultPermute (parallel version) is fragile. The output MatrixBlock type is set to being dense, yet in some code path it is assumed to be set to be sparse. 
[Comment on PR 186|https://github.com/apache/incubator-systemml/pull/186#issuecomment-231011669] descibe the issue.


> Fragile code in LibMatrixMult.matrixMultPermute
> -----------------------------------------------
>
>                 Key: SYSTEMML-825
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-825
>             Project: SystemML
>          Issue Type: Bug
>          Components: Runtime
>    Affects Versions: SystemML 0.10
>            Reporter: Nakul Jindal
>
> The code in LibMatrixMult.matrixMultPermute (parallel version) is fragile. The output MatrixBlock type is set to being dense, yet in some code path it is assumed to be set to be sparse. 
> [Comment on PR 186|https://github.com/apache/incubator-systemml/pull/186#issuecomment-231011669] descibes the issue.



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