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Posted to issues@systemml.apache.org by "Nakul Jindal (JIRA)" <ji...@apache.org> on 2016/07/20 22:58:20 UTC

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

Nakul Jindal created SYSTEMML-825:
-------------------------------------

             Summary: 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] descibe the issue.



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