In PR #22928, UUID introduced long-based vectorized hexadecimal to string conversion, which can also be used in Integer::toHexString and Long::toHexString to eliminate table lookups. The benefit of eliminating table lookups is that the performance is better when cache misses occur.
------------- Commit messages: - Merge remote-tracking branch 'upstream/master' into optim_to_hex_202501 - use right shift - use right shift - fix benchmark - Merge remote-tracking branch 'upstream/master' into optim_to_hex_202501 - Merge remote-tracking branch 'upstream/master' into optim_to_hex_202501 - Merge remote-tracking branch 'upstream/master' into optim_to_hex_202501 - reverseBytes - reverseBytes - public hex8 - ... and 9 more: https://git.openjdk.org/jdk/compare/e18277b4...6f491ced Changes: https://git.openjdk.org/jdk/pull/22942/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22942&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8359424 Stats: 262 lines in 6 files changed: 178 ins; 77 del; 7 mod Patch: https://git.openjdk.org/jdk/pull/22942.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22942/head:pull/22942 PR: https://git.openjdk.org/jdk/pull/22942