python3 Unicode is slow

John Machin sjmachin at
Sun Oct 25 14:11:31 CET 2009

On Oct 25, 11:12 pm, Dale Gerdemann <dale.gerdem... at>
> I've written simple code in 2.6 and 3.0 to read every charcter of a
> set of files and print out some information for each of these
> characters. I tested each program on a large Cyrillic/Latin text. The
> result was that the 2.6 version was about 5x faster.

3.0? Nowadays nobody wants to know about benchmarks of 3.0. Much of
the new 3.X file I/O stuff was written in Python. It has since been
rewritten in C. In general AFAICT there is no good reason to be using
3.0. Consider updating to 3.1.1.

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