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Posted to dev@mahout.apache.org by "Andrew Palumbo (JIRA)" <ji...@apache.org> on 2016/06/25 16:15:37 UTC

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

Andrew Palumbo created MAHOUT-1875:
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             Summary: 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 {{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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