hg: jdk/jdk: 8222492: G1 unnecessarily scans remembered set cards for regions that already have been evacuated

thomas.schatzl at oracle.com thomas.schatzl at oracle.com
Sat May 18 20:11:44 UTC 2019


Changeset: 39814e0a8964
Author:    tschatzl
Date:      2019-05-18 22:11 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/39814e0a8964

8222492: G1 unnecessarily scans remembered set cards for regions that already have been evacuated
Summary: Filter out cards from the current collection set during evacuation increments.
Reviewed-by: kbarrett, sangheki

! src/hotspot/share/gc/g1/g1CollectedHeap.hpp
! src/hotspot/share/gc/g1/g1CollectedHeap.inline.hpp
! src/hotspot/share/gc/g1/g1OopClosures.hpp
! src/hotspot/share/gc/g1/g1OopClosures.inline.hpp
! src/hotspot/share/gc/g1/g1ParScanThreadState.inline.hpp
! src/hotspot/share/gc/g1/g1RemSet.cpp
! src/hotspot/share/gc/g1/g1RemSet.hpp



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