[8u40] RFR 6642881: Improve performance of Class.getClassLoader()

Mandy Chung mandy.chung at oracle.com
Mon Sep 8 22:59:15 UTC 2014

Thumbs up.


On 9/5/2014 12:55 PM, Coleen Phillimore wrote:
> Summary: Add classLoader to java/lang/Class instance for fast access
> This is a backport request for 8u40.   This change has been in the 
> jdk9 code for 3 months without any problems.
> The JDK changes hg imported cleanly.  The Hotspot change needed a hand 
> merge for create_mirror call in klass.cpp.
> http://cr.openjdk.java.net/~coleenp/6642881_8u40_jdk/
> http://cr.openjdk.java.net/~coleenp/6642881_8u40_hotspot/
> bug link https://bugs.openjdk.java.net/browse/JDK-6642881
> Ran jdk_core jtreg tests in jdk with both jdk/hotspot changes. Also 
> ran jck java_lang tests with only the hotspot change.  The hotspot 
> change can be tested separately from the jdk change (but not the other 
> way around).
> Thanks,
> Coleen

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