[Python-3000] C API for ints and strings

[Paul Moore]

On 11/09/2007, Nicholas Bastin <nick.bastin at gmail.com> wrote:
> On 9/11/07, "Martin v. Löwis" <martin at v.loewis.de> wrote:
> > > 3.0: 10 loops, best of 3: 6.76 sec per loop
> > > 2.6: 10 loops, best of 3: 2.61 sec per loop
> >
> > I can't quite reproduce these results. On a 3.2GHz Pentium 4,
> > running Linux 2.6.21, gcc 4.1.3, I get
> >
> > 3.0: 10 loops, best of 3: 728 msec per loop
> > 2.6: 10 loops, best of 3: 558 msec per loop
> >
> > So it's only 30% slower, not 260%.

FWIW, I get

>python -m timeit "import inttest; inttest.int_test2(5)"
10 loops, best of 3: 367 msec per loop

>\Apps\Python30\python -m timeit "import inttest; inttest.int_test2(5)"
10 loops, best of 3: 810 msec per loop

That's on Windows XP, distributed binaries of Python 2.5 and 3.0a1.
Processor speed:           1.7 GHz
Processor type:            Intel(R) Pentium(R) M processor

That's 120% slower (but against very different versions).

I guess this proves nothing much, apart from the fact that the test is
wildly variable and as such probably not very valid :-)

Paul.