[jira] [Commented] (MAHOUT-1921) DSSVD Propagates cache hint

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAHOUT-1921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852594#comment-15852594 ] 

ASF GitHub Bot commented on MAHOUT-1921:
----------------------------------------

GitHub user rawkintrevo opened a pull request:

    https://github.com/apache/mahout/pull/274

    MAHOUT-1921 Propagate cacheHint in dssvd

    Propogate cache hint in dssvd

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/rawkintrevo/mahout mahout-1921

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/mahout/pull/274.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #274
    
----
commit 956f12d5b730a9ddb7bfd9ac857f3c9799b3cacc
Author: rawkintrevo <tr...@gmail.com>
Date:   2017-02-04T04:55:52Z

    MAHOUT-1921 Propagate cacheHint in dssvd

----


> DSSVD Propagates cache hint
> ---------------------------
>
>                 Key: MAHOUT-1921
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1921
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Math
>    Affects Versions: 0.13.0
>            Reporter: Trevor Grant
>            Assignee: Trevor Grant
>            Priority: Minor
>              Labels: beginner
>             Fix For: 0.13.0
>
>
> The DSSVD does lots of check pointing, but currently only the default checkpoint cacheHint is given.  
> The user should be able to pass a checkpointing hint as this can lead to dramatic performance issues in some cases.
> https://github.com/apache/mahout/blob/master/math-scala/src/main/scala/org/apache/mahout/math/decompositions/DSSVD.scala



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