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From "Claudio Martella (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-543) Fix PageRankBenchmark and make WeightedPageRankBenchmark
Date Wed, 10 Apr 2013 23:07:15 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13628407#comment-13628407
] 

Claudio Martella commented on GIRAPH-543:
-----------------------------------------

Do you have an insight on why it would be faster? Initial object instantiation (still the
boost is too high)? Less pressure on the GC?
                
> Fix PageRankBenchmark and make WeightedPageRankBenchmark
> --------------------------------------------------------
>
>                 Key: GIRAPH-543
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-543
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Alessandro Presta
>            Assignee: Maja Kabiljo
>         Attachments: GIRAPH-543.patch
>
>
> PageRankBenchmark uses PseudoRandomInputFormat, which produces edges with double values.
> Since edge values are meaningless for the algorithm, we should change it to use null
values to have a better evaluation of PageRank performance.

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