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https://issues.apache.org/jira/browse/MAHOUT-1875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Palumbo updated MAHOUT-1875:
-----------------------------------
Description: 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}}.
(was: In {{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}}. )
> 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
> 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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