JDK-8339668 : Parallel: Adopt PartialArrayState to consolidate marking stack in Full GC
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 24
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2024-09-06
  • Updated: 2025-04-14
  • Resolved: 2025-01-28
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JDK 25
25 b08Fixed
Related Reports
Causes :  
JDK-8354517 - JDK-8339668 causes up to 3.7x slowdown in openjdk.bench.vm.gc.systemgc
Relates :  
JDK-8311163 - Parallel: Improve large object handling during evacuation
Relates :  
JDK-8341332 - Refactor array chunking statistics counters
Relates :  
JDK-8341331 - G1: Add array chunking statistics counters similar to parallel gc
Relates :  
JDK-8337709 - Use allocated states for chunking large array processing
Description
Adopt PartialArrayState introduced by JDK-8337709 to consolidate marking queue sets (oop queue set and objArray queue set) into single queue set in Parallel Compact GC.
Comments
Changeset: 5fec9994 Branch: master Author: Zhengyu Gu <zgu@openjdk.org> Date: 2025-01-28 13:29:37 +0000 URL: https://git.openjdk.org/jdk/commit/5fec999474dd4e88299ca02fccce8332fa5766ec
28-01-2025
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/21089 Date: 2024-09-19 14:01:39 +0000
19-09-2024