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Posted to dev@mahout.apache.org by "Trevor Grant (JIRA)" <ji...@apache.org> on 2017/06/23 04:10:00 UTC

[jira] [Updated] (MAHOUT-1875) Use faster shallowCopy for dense matices in blockify drm/package.blockify(..)

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

Trevor Grant updated MAHOUT-1875:
---------------------------------
    Fix Version/s:     (was: 0.13.1)
                   0.13.2

> 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: 0.13.2
>
>
> 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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