#=00
#=01 Windows XP + .Net 2.0
C:\Python25>python.exe pystone.py
Pystone(1.1) time for 50000 passes = 2.52617
This machine benchmarks at 19792.8 pystones/second #02

#=02 IronPython 23% faster
C:\IronPython-1.0.1>ipy.exe pystone.py
Pystone(1.1) time for 50000 passes = 2.04241
This machine benchmarks at 24480.9 pystones/second #02

#=03 Linux + Mono 1.17.1
beaker% python2.5 pystone.py 
Pystone(1.1) time for 100000 passes = 2.02
This machine benchmarks at 49505 pystones/second   #04

#=04 IronPython 29% faster
beaker% ipy.exe pystone.py 
Pystone(1.1) time for 100000 passes = 1.56096
This machine benchmarks at 64063.1 pystones/second #04