On Mon, 26 Sep 2022 13:21:23 GMT, Aleksey Shipilev <sh...@openjdk.org> wrote:
>> 8292969: This small change in signal propagation rules improves utilization >> when entry queues are resized, > > src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java line 1842: > >> 1840: signalWork(); // propagate at most >> twice/run >> 1841: w.topLevelExec(t, q); >> 1842: return src + (prevSrc << SWIDTH); > > Are all of these values (`src`, `prevSrc`) less or equal `0x7FFF`? Otherwise > we are playing with sign bits here. Yes, see the discussions around line 391 of internal docs. ------------- PR: https://git.openjdk.org/jdk/pull/10198
