Can you publish your test code, or describe what it is doing?
-- http://bernd.eckenfels.net ________________________________ Von: hotspot-gc-use <hotspot-gc-use-boun...@openjdk.java.net> im Auftrag von Yan Gang <yang...@ec.com.cn> Gesendet: Mittwoch, September 11, 2019 11:10 AM An: hotspot-gc-use Betreff: question of ParNewGeneration::real_forwardee_slow hi all: I run 100 threads performance test, use perf top display: 71.13% libjvm.so [.] ParNewGeneration::real_forwardee_slow ParNewGeneration::real_forwardee_slow waste some CPU time. I search google ParNewGeneration::real_forwardee_slow belong of parNewGeneration.cpp, also is JDK bug: https://bugs.openjdk.java.net/browse/JDK-7171273. replaced to G1? Thanks!
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