[Python-Dev] Slowdown in Python CVS

[Guido van Rossum]

> My nightly run of pybench went up from the usual 7590ms per
> run to around 8200ms between Monday night and today. Can anyone
> explain this ?

Did you compare the outputs?  There could be importants hint there!
:-)

Maybe this checkin to ceval.c backfired?

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revision 2.351
date: 2003/02/26 18:11:50;  author: rhettinger;  state: Exp;  lines: +18 -4
Micro-optimizations.
* List/Tuple checkexact is faster for the common case.
* Testing for Py_True and Py_False can be inlined for faster looping.
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--Guido van Rossum (home page: http://www.python.org/~guido/)