GitHub user a-roberts opened a pull request:
https://github.com/apache/spark/pull/15713
[SPARK-18196] [CORE] Optimise CompactBuffer implementation
## What changes were proposed in this pull request?
See the JIRA for details - summary is slightly increased footprint in the
class but 4% performance increase observed on PageRank with HiBench large
## How was this patch tested?
Existing unit tests and HiBench large
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/a-roberts/spark patch-8
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15713.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #15713
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commit cdf8b8da1c986df6907673682862f34157757a2f
Author: Adam Roberts <[email protected]>
Date: 2016-11-01T14:45:52Z
[SPARK-18196] [CORE] Optimise CompactBuffer implementation
See the JIRA for details - summary is slightly increased footprint in the
class but 4% performance increase observed on PageRank with HiBench large
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