This set of updates reduces contention-based performance loss under heavy over-subscription, while also improving perfomance more generally.
------------- Commit messages: - Whitespace - Merge branch 'openjdk:master' into JDK-8360046 - Avoid unnecessary use of InterruptibleTask; misc cleanup - revert runWorker; tweak external probes - reduce contention - Merge branch 'openjdk:master' into JDK-8360046 - For testing - Reduce branchiness of Exchanger Changes: https://git.openjdk.org/jdk/pull/26479/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26479&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8360046 Stats: 142 lines in 3 files changed: 31 ins; 28 del; 83 mod Patch: https://git.openjdk.org/jdk/pull/26479.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/26479/head:pull/26479 PR: https://git.openjdk.org/jdk/pull/26479