On Tue, 7 May 2024 22:50:18 GMT, Doug Lea <d...@openjdk.org> wrote: > 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
src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java line 1432: > 1430: final void topLevelExec(ForkJoinTask<?> task, WorkQueue src, > 1431: int srcBase, int cfg) { > 1432: if (task != null && src != null) { @DougLea Is this ever invoked with a null-task and a null-queue? 🤔 ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/19131#discussion_r1596417799