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https://issues.apache.org/jira/browse/HAMA-669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13494595#comment-13494595
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Hudson commented on HAMA-669:
-----------------------------
Integrated in Hama trunk #49 (See
[https://builds.apache.org/job/Hama%20trunk/49/])
[HAMA-669] - fixed tests (Revision 1407730)
[HAMA-669] - fixed derivatives aggregation wrongful array copy (Revision
1407729)
Result = SUCCESS
tommaso :
Files :
*
/hama/trunk/examples/src/main/java/org/apache/hama/examples/GradientDescentExample.java
*
/hama/trunk/examples/src/test/java/org/apache/hama/examples/GradientDescentTest.java
tommaso :
Files :
*
/hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/GradientDescentBSP.java
> 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
> Assignee: Tommaso Teofili
> Fix For: 0.6.0
>
>
> 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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