On Sat, 26 Oct 2024 01:33:23 GMT, Zhengyu Gu <z...@openjdk.org> wrote:
>> William Kemper has updated the pull request with a new target base due to a >> merge or a rebase. The pull request now contains 492 commits: >> >> - Merge remote-tracking branch 'shenandoah/master' into >> great-genshen-pr-redux >> - Merge >> - 8342560: GenShen: Fix confusing method name >> >> Reviewed-by: ysr >> - 8342564: GenShen: Only reference young/old generation names in >> generational mode >> >> Reviewed-by: xpeng, ysr >> - Merge remote-tracking branch 'jdk/master' into great-genshen-pr-redux >> - Merge remote-tracking branch 'shenandoah/master' into >> great-genshen-pr-redux >> - 8342214: GenShen: Reduce code duplication in shFreeSet with iterator >> abstraction >> >> Reviewed-by: kdnilsen, ysr >> - 8342239: GenShen: Revert changes in adaptive heuristic to avoid overflow >> on 32 bit >> >> Reviewed-by: ysr >> - 8342278: GenShen: Move non-generational mode test out of generational >> test configuration >> >> Reviewed-by: ysr >> - 8342255: GenShen: Remove unnecessary enum initial values >> >> Reviewed-by: ysr >> - ... and 482 more: https://git.openjdk.org/jdk/compare/71583222...2a2aa408 > > src/hotspot/share/gc/shenandoah/shenandoahAgeCensus.cpp line 243: > >> 241: void ShenandoahAgeCensus::update_tenuring_threshold() { >> 242: if (!ShenandoahGenerationalAdaptiveTenuring) { >> 243: _tenuring_threshold[_epoch] = InitialTenuringThreshold; > > `InitialTenuringThreshold` is currently only used by parallel GC, so that the > flag's constraint is only implemented in parallel GC > [here](https://github.com/openjdk/jdk/blob/master/src/hotspot/share/gc/shared/jvmFlagConstraintsGC.cpp#L177) > . Now, Shenandoah reuses the flag, you may want to consider to parallel GC's > implementation into `shared`. Good catch. https://bugs.openjdk.org/browse/JDK-8343226 ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/21273#discussion_r1821337048