[pypy-dev] hexiom2 benchmark

Michael Hudson-Doyle micahel at gmail.com
Wed May 1 23:00:18 CEST 2013


On 1 May 2013 21:48, Maciej Fijalkowski <fijall at gmail.com> wrote:

> On Wed, May 1, 2013 at 11:16 AM, Armin Rigo <arigo at tunes.org> wrote:
> > Hi Michael,
> >
> > On Wed, May 1, 2013 at 3:54 AM, Michael Hudson-Doyle <micahel at gmail.com>
> wrote:
> >>   File "/home/mwhudson/src/benchmarks/unladen_swallow/perf.py", line
> 170, in
> >> TScore
> >>     return (avg(sample1) - avg(sample2)) / math.sqrt(error * 2)
> >> ZeroDivisionError: float division by zero
> >
> > The code could be more robust indeed :-(  It's because hexiom2 runs
> > only once in --fast mode, so it ends up with error == exactly 0.0.
> > Fixed in f7abffc04667.
> >
> >
> > A bientôt,
> >
> > Armin.
> > _______________________________________________
> > pypy-dev mailing list
> > pypy-dev at python.org
> > http://mail.python.org/mailman/listinfo/pypy-dev
>
> Btw, this is a benchmark run (without --fast) summary:
>
> http://paste.pound-python.org/show/32751/
>

Thanks for that.


> It seems CPython on ARM is kinda bad (despite the fact that our
> assembler is bad too)
>

Yeah.  Maybe that's something we (Linaro) can do something about...

Cheers,
mwh
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