Performance of Python 3

Christian Heimes lists at
Sun Mar 1 14:28:32 CET 2009

Kless schrieb:
> Does anybody has seen the performance of Python 3?
> Respect to speed it's the last language together to Ruby 1.8, but Ruby
> 1.9 has a lot of better performance. :(

Python 3.0 is slower than Python 2.5 and 2.6. Lot's of code was added or
modified -- code that hasn't been optimized yet. Python 3's new io
library is much slower than the old file type but there will be an
optimized version in Python 3.1. The switch over to unicode is a minor
speed drain, too.

You can look forward for lots of interesting optimizations in Python 3.1
like threaded code (not to be confused with multi-threading) for the VM
on GCC platforms, 30bit digists for ints on 64bit platforms, C
optimization of the IO stack and more.


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