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From "Suneel Marthi (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (MAHOUT-1875) Use faster shallowCopy for dense matices in blockify drm/package.blockify(..)
Date Mon, 26 Dec 2016 07:11:58 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-1875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suneel Marthi reassigned MAHOUT-1875:
-------------------------------------

    Assignee: Suneel Marthi

> 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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