"A.M. Kuchling" wrote:
>
> Python 1.6a2 is around 10% slower than 1.5 on pystone.
> Any idea why?
>
> [amk@mira Python-1.6a2]$ ./python Lib/test/pystone.py
> Pystone(1.1) time for 10000 passes = 3.59
> This machine benchmarks at 2785.52 pystones/second
>
> [amk@mira Python-1.6a2]$ python1.5 Lib/test/pystone.py
> Pystone(1.1) time for 10000 passes = 3.19
> This machine benchmarks at 3134.8 pystones/second
Hee hee :-)
D:\python>python Lib/test/pystone.py
Pystone(1.1) time for 10000 passes = 1.92135
This machine benchmarks at 5204.66 pystones/second
D:\python>cd \python16
D:\Python16>python Lib/test/pystone.py
Pystone(1.1) time for 10000 passes = 2.06234
This machine benchmarks at 4848.86 pystones/second
D:\Python16>cd \python\spc
D:\python\spc>python Lib/test/pystone.py
python: can't open file 'Lib/test/pystone.py'
D:\python\spc>python ../Lib/test/pystone.py
Pystone(1.1) time for 10000 passes = 1.81034
This machine benchmarks at 5523.82 pystones/second
More hee hee :-)
Python has been at a critical size with its main loop.
The recently added extra code exceeds this size.
I had the same effect with Stackless Python, and
I worked around it already.
ciao - chris
--
Christian Tismer :^) <mailto:tismer@appliedbiometrics.com>
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