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From "Andrew Zhang" <zhanghuang...@gmail.com>
Subject Re: [general] JRockit H27.2.1 for Harmony Class Library released now
Date Wed, 31 Jan 2007 14:08:10 GMT
On 1/31/07, Henrik Stahl <hstahl@bea.com> wrote:
>
> > > > The peformance of JRockit + Harmony classlib is amazing! For some
> > > > application on my old machine, it's 1.8x faster than RI!
> > >
> > > really?  That's hilarious.  Are you sure?
> >
> >
> > Really, I'm not kidding! It's an object database application,
> > which involves a lot of io and reflect operations. The
> > application takes around 1600 ms against RI, but 900ms
> > against Harmony + JRockit.
> > btw, I'm using old Harmony snapshot -- I don't know the
> > revision number, but the date of snapshot is Sep. 28, 2006.
>
> Such large differences are uncommon in real applications. Could you give
> it a shot with the latest JRockit release (from commerce.bea.com) and
> let us know the result?


The same. I mean JRockit release performance is almost the same as Harmony
classlib + JRockit for Harmony for my application. Both of them takes around
900-1000ms while RI consumes about 1700-1800ms. :)

-- Henrik
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-- 
Best regards,
Andrew Zhang

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