> 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
Doug Lea has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 43 additional commits since the last revision: - Merge branch 'openjdk:master' into JDK-8322732 - Address review comments - Merge branch 'openjdk:master' into JDK-8322732 - Add test for utilization with interdependent tasks - Un-misplace onSpinWait call - Adjust control flow - Reduce memory stalls - Merge branch 'openjdk:master' into JDK-8322732 - More performance tradoffs - Address review comments - ... and 33 more: https://git.openjdk.org/jdk/compare/281b7e15...5e44de45 ------------- Changes: - all: https://git.openjdk.org/jdk/pull/19131/files - new: https://git.openjdk.org/jdk/pull/19131/files/e5c4a556..5e44de45 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=19131&range=08 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19131&range=07-08 Stats: 617 lines in 10 files changed: 419 ins; 182 del; 16 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
