[Python-Dev] Python 3.3 vs. Python 2.7 benchmark results (again, but this time more solid numbers)

[Antoine Pitrou]

On Fri, 26 Oct 2012 15:14:08 -0400
Brett Cannon <brett at python.org> wrote:
> 
> Worst benchmark is nosite_startup, best is telco. The benchmarks people
> might want to analyze (i.e. more than 20% slower in Python 3.3) are
> mako_v2, threaded_count, normal_startup, iterative_count, pathlib,
> formatted_logging, and simple_logging.

Well, did you check that mako_v2 wasn't subject to the Markupsafe
issue?

threaded_count and iterative_count are completely dumb.
Slower startup is due to the fact that Python 3 needs many more
modules to even start itself.

Regards

Antoine.