[Python-Dev] Specifying Python version when running piethon
benchmark
Aahz
aahz at pythoncraft.com
Fri Jan 2 13:28:29 EST 2004
On Fri, Jan 02, 2004, Skip Montanaro wrote:
>Michael Hudson:
>>Skip:
>>>
>>> 800 MHz Ti PowerBook (G4), using Python from CVS, output of make
>>> (second run of two, to make sure pyo files were already generated):
>>>
>>> time python -O b.py >@out
>>>
>>> real 0m49.999s
>>> user 0m46.610s
>>> sys 0m1.030s
>>> cmp @out out
>>>
>>> The best-of-three pystone measurement is 10964.9 pystones/second.
>>
>> Bloody hell, that about what I get on my 600Mhz G3 iBook (same
>> model as Dan's, sounds like). Does your TiBook have no cache
>> or a *really* slow bus or something?
>
> The Apple System Profiler says my bus speed is 133MHz. I have a 256K L2
> cache and a 1MB L3 cache. The machine has 1GB of RAM.
>
> Some rather simple operations slow down considerably after the system's been
> up awhile (and I do tend to leave it up for days or weeks at a time). I
> don't recall how long it had been up when I ran those tests. I just ran
> pystone again - it's been up 2 days, 19 hrs at the moment - and got
> significantly better numbers:
What version of OS X and developer tools? I'm a tiny bit surprised that
you say your machine stays up for weeks at a time; that implies you
don't install security updates.
--
Aahz (aahz at pythoncraft.com) <*> http://www.pythoncraft.com/
Weinberg's Second Law: If builders built buildings the way programmers wrote
programs, then the first woodpecker that came along would destroy civilization.
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