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https://issues.apache.org/jira/browse/MAHOUT-1875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15780989#comment-15780989
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Hudson commented on MAHOUT-1875:
--------------------------------
FAILURE: Integrated in Jenkins build Mahout-Quality #3403 (See
[https://builds.apache.org/job/Mahout-Quality/3403/])
MAHOUT-1875: Use faster shallowCopy for dense matices in blockify (smarthi: rev
8a0a074898c345b73b17a058301acb01352db12b)
* (edit) spark/src/main/scala/org/apache/mahout/sparkbindings/drm/package.scala
* (edit)
math-scala/src/main/scala/org/apache/mahout/math/scalabindings/package.scala
> Use faster shallowCopy for dense matices in blockify drm/package.blockify(..)
> -----------------------------------------------------------------------------
>
> Key: MAHOUT-1875
> URL: https://issues.apache.org/jira/browse/MAHOUT-1875
> Project: Mahout
> Issue Type: Improvement
> Affects Versions: 0.12.2
> Reporter: Andrew Palumbo
> Assignee: Suneel Marthi
> Fix For: 0.13.0
>
>
> In {{sparkbindings.drm/package.blockify(...)}}, after testing the density of
> an incoming block, use {{DenseMatrix(blockAsArrayOfDoubles, true)}} to
> shallow copy the backing vector array into the {{DenseMatrix}}.
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