2.3-2.5 what improved?

[billie]

robert wrote

> Robin Becker wrote:
> > A large cgi based web Python-2.3 application needs to be speed improved.
> > experiments show the following under reasonable testing (these are 2
> > second reportlab pdf productions)
> >
> > 1) 2.3 --> 2.5 improvement small 1-2%
> > 2) cgi --> fcgi improvement medium 10-12%
> >
> > I sort of remember claims being made about 2.5 being 10% faster than
> > 2.4/2.3 etc etc. Can anyone say where the speedups were? Presumably we
> > have a lot of old cruft that could be improved in some way eg moving
> > loops into comprehensions, using iterator methods etc. Are those sort of
> > things what we should look at?
>
> Python 2.5 became quite fat. For bare CGI the Python load/init
> time eats all improvements. Smaller scripts even loose lot of speed.
> I still like Python 2.3 for many other reasons for many
> applications - especially for CGI's, on Windows, for deployable
> apps, GUI's etc. because the fat coming with Python 2.4 is not
> balanced by necessary goods - mostly just fancy things.

What do you mean? Fat of libraries or fat itself?
I tought that 2.5 was faster than precedent versions! :-\