GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/7911
[SPARK-9577][SQL] Surface concrete iterator types in various sort classes.
We often return abstract iterator types in various sort-related classes
(e.g. UnsafeKVExternalSorter). It is actually better to return a more concrete
type, so the callsite uses that type and JIT can inline the iterator calls.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark surface-concrete-type
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7911.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 #7911
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commit 0422adda3531d43e726e3710c9e7cf063f8f1192
Author: Reynold Xin <[email protected]>
Date: 2015-08-03T23:16:42Z
[SPARK-9577][SQL] Surface concrete iterator types in various sort classes.
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