Java 9 performance optimizations

[Vitaly Davidovich]

Hi Paul,

Thanks for the response and the link -- will look at it later.

I presume it in part might relate to cracking open the lambda “box”
> implementing the targeted functional interface to obtain the underlying
> method containing the lambda body, generated by javac, that the box defers
> to, then subsituting the indy call to an invocation of that underlying
> method. Cue lots of hand waving…


 Yes, that's sort of what I assumed it referred to.  That would be great!

Thanks

On Tue, Nov 3, 2015 at 7:32 AM, Paul Sandoz <paul.sandoz at oracle.com> wrote:

> Hi Vitaly,
>
> Probably worth sending an email to the hotspot-dev at openjdk.java.net
> <mailto:hotspot-dev at openjdk.java.net>
>
> > On 3 Nov 2015, at 13:09, Vitaly Davidovich <vitalyd at gmail.com> wrote:
> >
> > Yes, I had seen Chris' presentation as well.  Certainly modularization
> will
> > help AOT in many ways.  But, I'm particularly interested on the JIT side.
> > What was meant by aggressive lambda inlining, for example? Can anyone
> point
> > at some additional info?
> >
>
> I presume it in part might relate to cracking open the lambda “box”
> implementing the targeted functional interface to obtain the underlying
> method containing the lambda body, generated by javac, that the box defers
> to, then subsituting the indy call to an invocation of that underlying
> method. Cue lots of hand waving…
>
> Maybe more clues in Oleg Pliss’s Closures on Embedded JVM presentation at
> JVMLS 2014:
>
>   http://www.oracle.com/technetwork/java/jvmls2014pliss-2265210.pdf <
> http://www.oracle.com/technetwork/java/jvmls2014pliss-2265210.pdf>
>
> Paul.
>
>