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https://issues.apache.org/jira/browse/MAHOUT-1390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13882214#comment-13882214
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Suneel Marthi commented on MAHOUT-1390:
---------------------------------------

We don't need timeout on testSvdHangs() as all tests that extend MahoutTestCase 
have a default timeout of 20000 in light of the fix for Mahout-1345. 
Removing the timeout for this test (and unused imports that need to be cleaned 
up).

> SVD hangs for certain inputs
> ----------------------------
>
>                 Key: MAHOUT-1390
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1390
>             Project: Mahout
>          Issue Type: Bug
>          Components: Math
>    Affects Versions: 0.8
>            Reporter: Ted Dunning
>            Priority: Critical
>             Fix For: 0.9
>
>         Attachments: MAHOUT-1390.patch
>
>
> For certain inputs, the SingularValueDecomposition implementation that we 
> have doesn't detect that it has effectively converged and runs into an 
> infinite loop.
> Luckily, there is a fix that has been added to the Jama implementation that 
> our SVD is ultimately based on and that fix works for our problem.



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