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From "Alexey Petrenko" <alexey.a.petre...@gmail.com>
Subject Re: [classlib][general] How to test the performance of Harmony
Date Fri, 26 Jan 2007 06:21:56 GMT
2007/1/26, Robin Garner <robin.garner@anu.edu.au>:
> Two suggestions:
>
> 1) Control (and report!) the heap size (using -Xmx and -Xms).
There is a lot of VM options which affects performance and we
definetly plan to report full config: hardware/software configuration
and list of options.

> 2) Use '-n 3' and report all 3 iterations.
>
> cheers
>
> > We are planning to start running benchmarks regularly on Harmony in
> > the nearest future. We are testing the infrastructure now...
> >
> > SY, Alexey
> >
> > 2007/1/25, Leo Li <liyilei1979@gmail.com>:
> >> Hi, all:
> >>     With the progress of Harmony project, I think, performance is
> >> gradually
> >> becoming an important feature for our real customers. Besides the
> >> stability
> >> and compatibility, users would incline to choose the one with higher
> >> speed. Aside from VM, classlib itself also plays a significant role in
> >> performance.
> >>    Although we now know some issues that are performance related, in a
> >> long
> >> run, we need performace test results to pick out the hotspot in Harmony
> >> project. Without data, we are like blind men running in the dark, in the
> >> area of performance.
> >>    Is there any advice about the tools to test the performance of
> >> Harmony?
> >>    Actually, if my remember is right, some guys have actually run the
> >> performance tests. (But I forget where the mail is.)Maybe we can post
> >> the
> >> result on Harmony wiki thus we can have a baseline to improve our
> >> code.:)
> >>
> >> Thanks.
> >> --
> >> Leo Li
> >> China Software Development Lab, IBM
> >>
> >>
> >
>
>
>

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