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List:       pypy-dev
Subject:    Re: [pypy-dev] PyPy is much slower than CPython example / question
From:       Armin Rigo <arigo () tunes ! org>
Date:       2011-07-08 9:18:45
Message-ID: CAMSv6X3awB2Xkv+fRDZ6x2mpwm7yvrEPbZd5HDXW5y19qOyi8g () mail ! gmail ! com
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Hi Alex,

Before attacking the problem with the JIT, we should understand better
why PyPy is 4-8 times slower than CPython.  Normally you'd expect the
factor to be at most 2.  I suppose the answer is that our
itertools.repeat() is bad for some reason.


A bientôt,

Armin.
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