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https://issues.apache.org/jira/browse/MAHOUT-320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840575#action_12840575
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Sean Owen commented on MAHOUT-320:
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I can see that at the end now. How do you feel about replacing Bigram with this
and moving it to a common package? Also how about using Bigram's
variable-length encoding? It might be more efficient as well as avoid you
writing routines to serialize an int to a byte stream.
> Modify IntPairWritable in LDA implementation to be binary comparable to
> improve performance.
> --------------------------------------------------------------------------------------------
>
> Key: MAHOUT-320
> URL: https://issues.apache.org/jira/browse/MAHOUT-320
> Project: Mahout
> Issue Type: Improvement
> Components: Clustering
> Affects Versions: 0.3
> Reporter: Drew Farris
> Assignee: Robin Anil
> Priority: Minor
> Attachments: MAHOUT-320.patch
>
>
> Per discussion with Robin, modifying o.a.m.clustering.lda.IntPairWritable to
> be binary comparable will improve the performance of the comparison
> operations during a sort because no marshaling will need to occur to compare
> IntPairWritable instances.
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