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https://issues.apache.org/jira/browse/GIRAPH-314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13446155#comment-13446155
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Eli Reisman commented on GIRAPH-314:
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There might be another tweak I want to make to this if testing reveals its a
good idea, maybe wait on commit and I'll report back ASAP...
> Implement better message grouping to improve performance in
> SimpleTriangleClosingVertex
> ---------------------------------------------------------------------------------------
>
> Key: GIRAPH-314
> URL: https://issues.apache.org/jira/browse/GIRAPH-314
> Project: Giraph
> Issue Type: Improvement
> Components: examples
> Affects Versions: 0.2.0
> Reporter: Eli Reisman
> Assignee: Eli Reisman
> Priority: Trivial
> Fix For: 0.2.0
>
> Attachments: GIRAPH-314-1.patch
>
>
> After running SimpleTriangleClosingVertex at scale I'm thinking the
> sendMessageToAllEdges() is pretty in the code, but its not a good idea in
> practice since each vertex V sends degree(V)^2 messages right in the first
> superset in this algorithm. Could do something with a combiner etc. but just
> grouping messages by hand at the application level by using
> IntArrayListWritable again does the trick fine.
> Probably should have just done it this way before, but
> sendMessageToAllEdges() looked so nice. Sigh. Changed unit tests to reflect
> this new approach, passes mvn verify and cluster, etc.
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