RFR(S) 8220444: Shenandoah should use parallel version of WeakProcessor in root processor for weak roots

Zhengyu Gu zgu at redhat.com
Mon Mar 11 17:38:45 UTC 2019


Shenandoah still uses serial version, should switch to parallel version.

Bug: https://bugs.openjdk.java.net/browse/JDK-8220444
Webrev: http://cr.openjdk.java.net/~zgu/JDK-8220444/webrev.00/

Test:
   hotspot_gc_shenandoah (fastdebug and release)

   Benchmark:
   Compiler.compiler
   Baseline: http://cr.openjdk.java.net/~zgu/JDK-8220444/serial.log
   After Patch: http://cr.openjdk.java.net/~zgu/JDK-8220444/par.log


Thanks,

-Zhengyu


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