Adam Roberts created SPARK-18223:
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Summary: Optimise PartitionedAppendOnlyMap implementation
Key: SPARK-18223
URL: https://issues.apache.org/jira/browse/SPARK-18223
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.0.1, 1.6.2
Reporter: Adam Roberts
Priority: Minor
We can improve the PartitionedAppendOnlyMap implementation by taking advantage
of of comparator wrapping, we have observed a 3% performance increase with both
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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