This set of changes address causes of poor utilization with small numbers of cores due to overly aggressive contention avoidance. A number of further adjustments were needed to still avoid most contention effects in deployments with large numbers of cores
------------- Commit messages: - Merge branch 'openjdk:master' into JDK-8322732 - Repack some fields; adjust control flow - Merge branch 'openjdk:master' into JDK-8322732 - Next version - Merge branch 'openjdk:master' into JDK-8322732 - Reduce unneeded signals - Merge branch 'openjdk:master' into JDK-8322732 - reduce memory contention - Merge branch 'openjdk:master' into JDK-8322732 - re-integrate docs - ... and 23 more: https://git.openjdk.org/jdk/compare/f12ed061...7e64cdfc Changes: https://git.openjdk.org/jdk/pull/19131/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19131&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8322732 Stats: 593 lines in 1 file changed: 162 ins; 159 del; 272 mod Patch: https://git.openjdk.org/jdk/pull/19131.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/19131/head:pull/19131 PR: https://git.openjdk.org/jdk/pull/19131
