[Python-Dev] 3.1 performance

[Antoine Pitrou]

Christian Heimes <lists <at> cheimes.de> writes:
> 
> Why is the feature still disabled by default?

Marc-André expressed concerns that it might trigger compiler issues.

> PS: Holy moly! Computed gotos totally put my Python on fire! The feature
> increases the minimum run-time by approx. 25% and the average run-time
> by approx. 40% on my Ubuntu 8.10 box (AMD64, Intel(R) Core(TM)2 CPU
> T7600  @ 2.33GHz).

You surely mean that it /decreased/ run-time by approx. 20% :-)
I don't think average numbers are significant, but they might indicate that your
system was slightly loaded when running the benchmarks.

Regards

Antoine.