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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-2511) Classcast exception in bitset estimator on large data
Date Sun, 17 Mar 2019 19:16:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-2511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm closed SYSTEMML-2511.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.3

> Classcast exception in bitset estimator on large data
> -----------------------------------------------------
>
>                 Key: SYSTEMML-2511
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2511
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.3
>
>
> A previous refactoring to reuse synopsis, created an issue of incorrectly allocating
BitsetMatrix1 (the default option, independent of the input size).
> {code}
> Caused by: java.lang.ClassCastException: org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix1
cannot be cast to org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix2
> 	at org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix2.matMultIntern(EstimatorBitsetMM.java:474)
> 	at org.apache.sysml.hops.estim.EstimatorBitsetMM$BitsetMatrix.matMult(EstimatorBitsetMM.java:172)
> 	at org.apache.sysml.hops.estim.EstimatorBitsetMM.estimInternal(EstimatorBitsetMM.java:99)
> 	at org.apache.sysml.hops.estim.EstimatorBitsetMM.estim(EstimatorBitsetMM.java:71)
> {code}



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