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Posted to dev@giraph.apache.org by "Maja Kabiljo (JIRA)" <ji...@apache.org> on 2016/04/08 23:34:25 UTC

[jira] [Created] (GIRAPH-1052) Fix makeSymmetricUnweighted

Maja Kabiljo created GIRAPH-1052:
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             Summary: Fix makeSymmetricUnweighted
                 Key: GIRAPH-1052
                 URL: https://issues.apache.org/jira/browse/GIRAPH-1052
             Project: Giraph
          Issue Type: Bug
            Reporter: Maja Kabiljo
            Assignee: Maja Kabiljo


PrepareGraphPieces.makeSymmetricUnweighted is currently very inefficient for skewed degree graphs, because it reuses set objects based on the number of in edges, but also adds all out edges to the set, so sets which should be small can become huge.



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