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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-397) We should have copies of aggregators per thread to avoid synchronizing on aggregate()
Date Tue, 06 Nov 2012 04:44:14 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491207#comment-13491207
] 

Hudson commented on GIRAPH-397:
-------------------------------

Integrated in Giraph-trunk-Commit #272 (See [https://builds.apache.org/job/Giraph-trunk-Commit/272/])
    GIRAPH-397: We should have copies of aggregators per thread to avoid synchronizing on
aggregate() (Revision 1406040)

     Result = SUCCESS
maja : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1406040
Files : 
* /giraph/trunk/CHANGELOG
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/comm/aggregators/AggregatorUtils.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/BspServiceMaster.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/BspServiceWorker.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/ComputeCallable.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/GraphMapper.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/GraphState.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/InputSplitsCallable.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/Vertex.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/WorkerAggregatorHandler.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/WorkerContext.java
* /giraph/trunk/giraph/src/main/java/org/apache/giraph/graph/WorkerThreadAggregatorUsage.java

                
> We should have copies of aggregators per thread to avoid synchronizing on aggregate()
> -------------------------------------------------------------------------------------
>
>                 Key: GIRAPH-397
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-397
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Maja Kabiljo
>            Assignee: Maja Kabiljo
>            Priority: Minor
>         Attachments: GIRAPH-397.patch, GIRAPH-397.patch
>
>
> Fixing one of TODOs from GIRAPH-273. Adding copies of aggregators for each thread allows
us not to have to synchronize on each aggregate call. Aggregated values from each thread can
be aggregated together after computation is finished.

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