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Posted to dev@giraph.apache.org by "Maja Kabiljo (JIRA)" <ji...@apache.org> on 2013/07/19 02:38:48 UTC

[jira] [Created] (GIRAPH-721) Don't call progress on each edge/vertex loaded

Maja Kabiljo created GIRAPH-721:
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             Summary: Don't call progress on each edge/vertex loaded
                 Key: GIRAPH-721
                 URL: https://issues.apache.org/jira/browse/GIRAPH-721
             Project: Giraph
          Issue Type: Improvement
            Reporter: Maja Kabiljo
            Assignee: Maja Kabiljo


While loading data with edge input, we call context.progress() on each edge. I was experimenting with where cpu is going during the input with hundreds of billions of edges, and about 10% of it is just calling progress. We don't need to call progress here at all, since the main thread which waits on input threads to finish does that for us.

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