[issue4561] Optimize new io library
David M. Beazley
report at bugs.python.org
Tue Dec 16 14:47:54 CET 2008
David M. Beazley <beazley at users.sourceforge.net> added the comment:
I agree with Raymond. For binary reads, I'll go farther and say that
even a 10% slowdown in performance would be surprising if not
unacceptable to some people. I know that as hard as it might be for
everyone to believe, there are a lot of people who crank lots of non-
Unicode data with Python. In fact, Python 2.X is pretty good at it.
It's fine that text mode now uses Unicode, but if I don't want that, I
would certainly expect the binary file modes to run at virtually the
same speed as Python 2 (e.g., okay, they work with bytes instead of
strings, but is the bytes type really all that different from the old
Python 2 str type?).
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<http://bugs.python.org/issue4561>
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