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Wed May 24 12:56:48 CEST 2006 · https://mail.python.org/pipermail/python-dev/2006-May/065151.html

On Wed, May 24, 2006 at 11:36:52AM +0100, Michael Hudson wrote:
>Could it just be that instantiating instances of new-style classes is
>slower than instantiating instances of old-style classes?  There's not
>anything in what you've posted to suggest that exceptions are involved
>directly.

Sorry, I should have mentioned that.  Yes, instantiating new-style classes
is slower than old-style, but only by about 10%.  The slow-down for
try/except is more like 60%.  So, it's not just the new versus old
difference.  It's much, much more than that.

Thanks,
Sean
-- 
 The Law of Software Development and Envelopment at MIT: Every program
 in development at MIT expands until it can read mail.
Sean Reifschneider, Member of Technical Staff <jafo at tummy.com>
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[Python-Dev] 2.5a2 try/except slow-down: Convert to type?