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https://issues.apache.org/jira/browse/FLINK-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14504119#comment-14504119
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ASF GitHub Bot commented on FLINK-1514:
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Github user vasia commented on the pull request:
https://github.com/apache/flink/pull/408#issuecomment-94606828
Hi @balidani!
I pulled your changes and made some improvements, mainly to the examples,
so that they are consistent with the rest of Gelly's examples. You can see my
changes in [this branch] (https://github.com/vasia/flink/tree/gsa).
I've been running some experiments on a small cluster and so far everything
runs smoothly. GSA SSSP actually seems to be faster than vertex-centric SSSP
for both input datasets I'm using :smile:
I will run a few more experiments in the next days and if I find no
problems and there are no objections, I will merge by the end of the week.
> [Gelly] Add a Gather-Sum-Apply iteration method
> -----------------------------------------------
>
> Key: FLINK-1514
> URL: https://issues.apache.org/jira/browse/FLINK-1514
> Project: Flink
> Issue Type: New Feature
> Components: Gelly
> Affects Versions: 0.9
> Reporter: Vasia Kalavri
> Assignee: Daniel Bali
>
> This will be a method that implements the GAS computation model, but without
> the "scatter" step. The phases can be mapped into the following steps inside
> a delta iteration:
> gather: a map on each < srcVertex, edge, trgVertex > that produces a partial
> value
> sum: a reduce that combines the partial values
> apply: join with vertex set to update the vertex values using the results of
> sum and the previous state.
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