Adam Roberts created SPARK-18224:
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Summary: 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: 2.0.1, 1.6.2
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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