[jira] Reopened: (MAHOUT-503) Bad murmur hash implementation ?!?

["Ted Dunning (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Dunning reopened MAHOUT-503:
--------------------------------

      Assignee: Ted Dunning

I just copied over the tests from the blog (all marked as public domain).

Our implementation passed.

Will check in shortly and resolve this issue as not a problem.

But the pointer to additional tests was *very* helpful.

> Bad murmur hash implementation ?!?
> ----------------------------------
>
>                 Key: MAHOUT-503
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-503
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Classification
>            Reporter: Thomas Sauzedde
>            Assignee: Ted Dunning
>
> It looks like the murmur hash implementation is coming from the original C to Java port (see http://www.getopt.org/murmur/MurmurHash.java)
> According to http://dmy999.com/article/50/murmurhash-2-java-port, (not verified myself), this port doesn't produce the same results than the original C code.

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