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From: Jacob Sparre Andersen on 26 Jul 2010 04:02
Jonathan <johnscpg(a)googlemail.com> wrote:

> 2010 GNAT GPL:
> gnatmake bench.adb -gnatnp -O2 -march=native -ffast-math -funroll-
> loops
> 3.61 seconds

I hope this is a average or median value from several measurements.

Which of the two? Did you estimate the uncertaincy of your
measurements?

Jacob
--
Jacob Sparre Andersen Research & Innovation
Vesterbrogade 148K, 1. th.
1620 K�benhavn V
Danmark

Phone: +45 21 49 08 04
E-mail: jacob(a)jacob-sparre.dk
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From: jonathan on 26 Jul 2010 05:57
On Jul 26, 9:02 am, Jacob Sparre Andersen <ja...(a)jacob-sparre.dk>
wrote:
> Jonathan <johns...(a)googlemail.com> wrote:
> >    2010 GNAT GPL:
> >    gnatmake bench.adb -gnatnp -O2 -march=native -ffast-math -funroll-
> > loops
> >    3.61 seconds
>
> I hope this is a average or median value from several measurements.
>
> Which of the two?  Did you estimate the uncertaincy of your
> measurements?
>
> Jacob
> --
> Jacob Sparre Andersen Research & Innovation
> Vesterbrogade 148K, 1. th.
> 1620 København V
> Danmark
>
> Phone:    +45 21 49 08 04
> E-mail:   ja...(a)jacob-sparre.dk
> Web-sted:http://www.jacob-sparre.dk/

I did a few runs with the linux: time ./bench
on an empty machine and got numbers like this:

0m3.612s 0m3.604s 0m3.620s 0m3.612s 0m3.620s 0m3.604s

Some programs fluctuate hugely in running time .. never
figured out why.

J.
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