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https://issues.apache.org/jira/browse/MAHOUT-1240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13674579#comment-13674579
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Hudson commented on MAHOUT-1240:
--------------------------------
Integrated in Mahout-Quality #2037 (See
[https://builds.apache.org/job/Mahout-Quality/2037/])
MAHOUT-1240 Change VectorWritableTest to use random generator from the
super class (Revision 1489462)
MAHOUT-1240 Randomized testing and Serialization of NonZeros (choosing
correctness over performance) (Revision 1489456)
Result = FAILURE
robinanil :
Files :
*
/mahout/trunk/core/src/test/java/org/apache/mahout/math/VectorWritableTest.java
robinanil :
Files :
* /mahout/trunk/core/src/main/java/org/apache/mahout/math/VectorWritable.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/math/VectorWritableTest.java
> Randomized testing and Serialization of NonZeros
> ------------------------------------------------
>
> Key: MAHOUT-1240
> URL: https://issues.apache.org/jira/browse/MAHOUT-1240
> Project: Mahout
> Issue Type: Bug
> Reporter: Robin Anil
> Assignee: Robin Anil
> Fix For: 0.8
>
> Attachments: MAHOUT-1240.patch
>
>
> Currently the nonZero iterator does not guarantee nonZero iteration for
> certain vectors (RASV, SASV) for performance reason. However vector view
> iterator adds a zero check.. To be correct we have to either remove the check
> or do correct non zero serialization everywhere. However this means going
> over the vectors in two passes. Given that is pretty fast already, I am
> fixing the logic bug. We can tackle the speed up for the next release.
> This also adds a randomized test for serialization that catches all such bugs.
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