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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/11/02 11:38:59 UTC

[jira] [Commented] (SPARK-18224) Optimise PartitionedPairBuffer implementation

    [ https://issues.apache.org/jira/browse/SPARK-18224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15628685#comment-15628685 ] 

Apache Spark commented on SPARK-18224:
--------------------------------------

User 'a-roberts' has created a pull request for this issue:
https://github.com/apache/spark/pull/15736

> Optimise PartitionedPairBuffer implementation
> ---------------------------------------------
>
>                 Key: SPARK-18224
>                 URL: https://issues.apache.org/jira/browse/SPARK-18224
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 1.6.2, 2.0.1
>            Reporter: Adam Roberts
>            Priority: Minor
>
> Like the PartitionedAppendOnlyMap improvement we can make (SPARK-18223), this change takes advantage of comparator wrapping, we have observed a 3% performance increase with IBM's SDK for Java and OpenJDK on PageRank due to the inlining benefit
> HiBench large used, pull request to follow



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