[JDK-8342513](https://bugs.openjdk.org/browse/JDK-8342513) : Autoboxing Overhead & Inefficient Parallel Processing
------------- Commit messages: - 8342513 : Fixed autoboxing and aprallel processing for big dataset Changes: https://git.openjdk.org/jdk/pull/21566/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21566&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8342513 Stats: 77 lines in 3 files changed: 28 ins; 9 del; 40 mod Patch: https://git.openjdk.org/jdk/pull/21566.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21566/head:pull/21566 PR: https://git.openjdk.org/jdk/pull/21566
