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From "Tommaso Teofili (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-669) GD partial derivatives aggregation should use Arrays.copyOf instead of copying the variable
Date Fri, 09 Nov 2012 10:30:11 GMT
Tommaso Teofili created HAMA-669:
------------------------------------

             Summary: GD partial derivatives aggregation should use Arrays.copyOf instead
of copying the variable
                 Key: HAMA-669
                 URL: https://issues.apache.org/jira/browse/HAMA-669
             Project: Hama
          Issue Type: Bug
          Components: machine learning
            Reporter: Tommaso Teofili


GD partial derivatives aggregation should use Arrays.copyOf instead of copying the variable
thetaDelta in newTheta as this has a different semantic and effect.
This results in sometimes different thetas on each task

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