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From "Jimmy,Jing Lv" <firep...@gmail.com>
Subject Re: [classlib][luni] Problems merging TreeMap to Java 6 branch
Date Thu, 06 Dec 2007 11:30:35 GMT
2007/12/6, Sergey Kuksenko <sergey.kuksenko@gmail.com>:
> On 12/6/07, Tim Ellison <t.p.ellison@gmail.com> wrote:
> >
> > > Also I'd like to share some performance measurements:
> > > HARMONY-5265 gives 4%-9% boost for SPECjbb2005.
> >
> > Here you are measuring the Java 5 impl before and after HARMONY-5265,
> > right?  Given that the Java 6 impl was improved by Jimmy it would be
> > interesting to see how those two compare -- just so we know which way to
> > merge the implementations.
>
>
> You are right. I measured Java5. implementation.
> I think we can (and should) complete Java5 - Java6 comparison and merging
> after M4.
>

Yes, I'm looking forward this - hope java6 may also improve 4%-9%! :)

> > Different boosts depends on
> > > HW (different processors have different caches and memory sensitivity).
> > > Note: HARMONY-5232 gives only 2%-5% boost.
> > > Also I have a bunch of numbers for different micro-benchmarks and I am
> > > planning to process and share them next week.
> >
> > Thanks,
> >
> > Tim
> >
>
>
>
> --
> Best regards,
> ---
> Sergey Kuksenko.
> Intel Enterprise Solutions Software Division.
>


-- 

Best Regards!

Jimmy, Jing Lv
China Software Development Lab, IBM

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