RFR: 8317976: Optimize SIMD sort for AMD Zen 4
Rohit Arul Raj
rraj at openjdk.org
Fri Mar 14 10:55:11 UTC 2025
This change enables optimized SIMD sort for AMD Zen 4 (AVX2) & Zen 5 (AVX512).
JTREG Tests: Completed Tier1 & Tier2 tests on Zen4 & Zen5 - No Regressions.
Attaching ArraySort performance data for Zen4 & Zen5.
[Zen4-ArraySort-Data.txt](https://github.com/user-attachments/files/19245831/Zen4-ArraySort-Data.txt)
[Zen5-ArraySort-Data.txt](https://github.com/user-attachments/files/19245833/Zen5-ArraySort-Data.txt)
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Commit messages:
- JDK-8317976: Enable optimized SIMD sort for AMD Zen 4 & Zen 5
Changes: https://git.openjdk.org/jdk/pull/24053/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24053&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8317976
Stats: 9 lines in 2 files changed: 5 ins; 0 del; 4 mod
Patch: https://git.openjdk.org/jdk/pull/24053.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/24053/head:pull/24053
PR: https://git.openjdk.org/jdk/pull/24053
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