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From "Sergey Kuksenko" <sergey.kukse...@gmail.com>
Subject Re: [performance][benchmark] A tool for writing performance test
Date Mon, 28 May 2007 15:31:22 GMT
Fine.
I will look on this in the nearest future.


On 5/27/07, Andrew Zhang <zhanghuangzhu@gmail.com> wrote:
>
> On 5/22/07, Sergey Kuksenko <sergey.kuksenko@gmail.com> wrote:
> >
> > Hi Andrew,
> >
> > I have a couple questions about punit.
> >
> > The first - How do punit calculates amount of used memory?
> > Is it simple difference (totalMemory-freeMemory)?
> > Does it take into acoount the amount of used memory before running a
> > bench?
> > Also, for example, on you examples for ArrayList amount of used memory
> is
> > around of 3M.
> > But for such amount of used memory, obtained values are more related to
> > how
> > GC works, not the real behavior of ArrayList. What do you think?
> >
> > And the second question  -does p-unit have tools/frameworks/api/etc for
> > creating a multythreaded tests?
> > Not for purposes to test threading, but for purposes to get higher
> > processors utilization on multycore multyprocessor machines.
>
>
>
> Hi Sergey,
>
> This functionality is supported in p-unit now. It requires test class
> should
> be independent of each other.
> For more details, please refer to:
> http://zhanghuangzhu.blogspot.com/search/label/p-unit
>
> Thanks a lot for your suggsetion!
>
> On 5/20/07, Andrew Zhang <zhanghuangzhu@gmail.com> wrote:
> > >
> > > Hi all,
> > >
> > > I wrote a little tool for performance test called punit[1]. It's a
> > > framework
> > > for performance test.
> > >
> > > I used punit to run a performance test ArrayList/Vector#add against
> > > Harmony
> > > and RI. The result report is very straightforward.
> > > From the report, you can easliy see that Harmony performs faster in
> > > ArrayList#add, but consumes much more memory.
> > > More details, please refer to
> > >
> > >
> >
> http://zhanghuangzhu.blogspot.com/2007/05/use-punit-to-write-performance-test.html
> > > .
> > >
> > > I think if we're interested in the performance test, punit may help us
> > in
> > > some degree.
> > > btw, punit supports to run test suite concurrently too. Hopefully, you
> > > like
> > > it!
> > >
> > > [1] punit:  http://p-unit.sourceforge.net/
> > >
> > > --
> > > Best regards,
> > > Andrew Zhang
> > >
> > > http://zhanghuangzhu.blogspot.com/
> > >
> >
> >
> >
> > --
> > Best regards,
> > ---
> > Sergey Kuksenko.
> > Intel Enterprise Solutions Software Division.
> >
>
>
>
> --
> Best regards,
> Andrew Zhang
>
> http://zhanghuangzhu.blogspot.com/
>



-- 
Best regards,
---
Sergey Kuksenko.
Intel Enterprise Solutions Software Division.

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