> Sorting:
> 
> - adopt radix sort for sequential and parallel sorts on int/long/float/double 
> arrays (almost random and length > 6K)
> - fix tryMergeRuns() to better handle case when the last run is a single 
> element
> - minor javadoc and comment changes
> 
> Testing:
> - add new data inputs in tests for sorting
> - add min/max/infinity values to float/double testing
> - add tests for radix sort

iaroslavski has updated the pull request incrementally with one additional 
commit since the last revision:

  JDK-8266431: Dual-Pivot Quicksort improvements (Radix sort)
  
  * Updated javadoc
  * Optimized insertion sort threshold
  * Refactored parallel sorting section
  * Improved step for pivot candidates
  * Changed condition for Radix sort

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3938/files
  - new: https://git.openjdk.java.net/jdk/pull/3938/files/4baa9a39..41b92f67

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3938&range=09
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3938&range=08-09

  Stats: 128 lines in 2 files changed: 14 ins; 48 del; 66 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3938.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3938/head:pull/3938

PR: https://git.openjdk.java.net/jdk/pull/3938

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