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Tue Feb 28 00:54:24 CET 2012 · https://mail.python.org/pipermail/python-dev/2012-February/117015.html

Armin Ronacher wrote:
> Hi,
> 
> On 2/27/12 4:44 PM, martin at v.loewis.de wrote:
>> Maybe I'm missing something, but there doesn't seem to be a benchmark
>> that measures the 2to3 performance, supporting the claim that it
>> runs "two orders of magnitude" slower (which I'd interpret as a
>> factor of 100).
> My Jinja2+Werkzeug's testsuite combined takes 2 seconds to run (Werkzeug
> actually takes 3 because it pauses for two seconds in a cache expiration
> test).  2to3 takes 45 seconds to run.  And those are small code bases
> (15K lines combined).
> 
> It's not exactly two orders of magnitude so I will probably change the
> writing to "just" 20 times slower but it illustrates the point.

That would be one order of magnitude.

-- 
Steven

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[Python-Dev] PEP 414 - Unicode Literals for Python 3