[8u] RFR: 8221355: Performance regression after JDK-8155635 backport into 8u

[Severin Gehwolf]

On Wed, 2019-04-10 at 16:26 +0100, Andrew John Hughes wrote:
> 
> On 10/04/2019 12:25, Aleksey Shipilev wrote:
> > On 4/10/19 1:18 PM, Severin Gehwolf wrote:
> > > Could I please get a review of this 8u212 performance regression fix?
> > > webrev: http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8221355/01/webrev/
> > 
> > This is not the same patch that Oracle apparently pushed, or that I tested myself. Compare with:
> >   http://cr.openjdk.java.net/~shade/8221355/8221355-01.patch
> > 
> > The difference is not critical, but better match?
> > 
> > It should definitely be in 8u-dev (next CPU). I'll leave the decision for 8u (current CPU) to 8u
> > maintainers.
> > 
> > -Aleksey
> > 
> 
> I think it should be 8u212 to avoid a performance regression between
> OpenJDK 8u212 and Oracle's 8u212.
> 
> Once Severin has pushed his patch, I'll pull that into my local version
> of jdk8u and the result will be tagged jdk8u212-b04.

Pushed:
http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/0cbfe6c38b2e

Thanks,
Severin