VarHandle instance methods performance

Frank Yuan frank.yuan at oracle.com
Wed Apr 24 10:11:11 UTC 2019


> On 4/24/19 11:51 AM, Frank Yuan wrote:
> > My test code is as below:
> > ...
> >     final VarHandle vhf;
> >     final VarHandle vhvf;
> > ...
> 
> Make these two "static final", initialize them in class initializer, then try again.
> 
> VarHandle (like Atomic*FieldUpdaters, MethodHandle, etc), have internal checks that can only be
> folded away when the VH/MH/A*FU instance is constant.
> 

Thank you, it works! 

YC

> -Aleksey




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