[issue5502] io-c: TextIOWrapper is faster than BufferedReader but not protected by a lock

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Here is a patch which provides a significant speedup (up to 30%) on
small operations (small reads, iteration) on binary files. Please test.

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keywords: +patch
Added file: http://bugs.python.org/file13642/speedup-bufio.patch

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