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From Egor Pasko <egor.pa...@gmail.com>
Subject Re: [performance] a few early benchmarks
Date Thu, 23 Nov 2006 07:45:29 GMT
On the 0x22A day of Apache Harmony Robin Garner wrote:
> I'm normalising to the best commercial JVM performance (across Sun
> 1.5, JRockit and IBM J9) on the same box.  It's a Pentium D 2.8GHz, in
> 32-bit mode.

Penium D is Prescott, it is reasonable to try on Conroe, Jitrino is
likely to behave better on it. And more, Harmony is not enough tuned
for performance on Linux. Those are probably the two major reasons to
get such different numbers.

> Also this is OOTB, in a modest sized heap.
> 
> cheers
> 
> Geir Magnusson Jr. wrote:
> > I reviewed - looks like Robin is seeing DRLVM get an aggregate
> > performance of about 35% of whatever he's measuring against.
> > geir
> > Geir Magnusson Jr. wrote:
> >>
> >>
> >> Stefano Mazzocchi wrote:
> >>> Geir Magnusson Jr. wrote:
> >>>>
> >>>> Stefano Mazzocchi wrote:
> >>>>> Sergey Kuksenko wrote:
> >>>>>
> >>>>>> Lets do the simplest thing fist. :)
> >>>>>> We can do it. We only need to specify a set of workloads.
> >>>>> I've tried running dacapo with 10 warming stages and we are constantly
> >>>>> around 25% speed against the leading JVM (which is always sun5
> >>>>> or sun6),
> >>>>> bea5 is around 80% and ibm5 is around 70%, I'll have more detailed
> >>>>> results shortly.
> >>>> I don't understand this at all.  It wasn't but a few weeks ago when
> >>>> someone was reporting decapo numbers that ranged from 90% of Sun5 to
> >>>> 110% of Sun5.
> >>>
> >>> on x86_64?
> >>
> >> That's true.  It was x86.
> >>
> >> But the numbers that Robin is reporting aren't great either, are they?
> >>
> >> geir
> >>
> >>>
> 
> 
> -- 
> Robin Garner
> Dept. of Computer Science
> Australian National University
> http://cs.anu.edu.au/people/Robin.Garner/
> 

-- 
Egor Pasko


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