> Which shows a decrease in performance. Could this have anything to do with the > fact that is is a dual processor box?
Doubtful. I'm running dual Pentium 4 2.8 Ghz (Win XP) and get the following results: C:\>python23\python Python23\lib\test\pystone.py Pystone(1.1) time for 50000 passes = 1.43068 This machine benchmarks at 34948.3 pystones/second C:\>python24\python Python24\lib\test\pystone.py Pystone(1.1) time for 50000 passes = 1.28359 This machine benchmarks at 38953.2 pystones/second Sw. -- http://mail.python.org/mailman/listinfo/python-list