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Posted to dev@mahout.apache.org by "Suneel Marthi (JIRA)" <ji...@apache.org> on 2013/07/25 14:19:59 UTC

[jira] [Updated] (MAHOUT-1148) QR Decomposition is too slow

     [ https://issues.apache.org/jira/browse/MAHOUT-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suneel Marthi updated MAHOUT-1148:
----------------------------------

    Affects Version/s: 0.7
        Fix Version/s: 0.8
    
> QR Decomposition is too slow
> ----------------------------
>
>                 Key: MAHOUT-1148
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1148
>             Project: Mahout
>          Issue Type: Bug
>    Affects Versions: 0.7
>            Reporter: Ted Dunning
>             Fix For: 0.8
>
>
> A user reported that QR decomposition is too slow.  I coded up a replacement that can be 10x faster under certain cases and the new version is also tested.

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