The Python 2.7 update note says:
A new version of the io library, rewritten in C for performance.
I ve played with Python 2.7 a bit, but I don t see any performance gain:
>>> from timeit import Timer
>>> t = Timer( f = open("E:\db.txt", "r"); f.read(); f.close() )
>>> t.timeit(10000)
And the result:
- Python 2.6.5 -- 12.879124022745913
- Python 2.7 -- 12.905614540395504
Am I doing it wrong?
If you look at http://docs.python.org/library/io.html, the open() method in the io module isn t used by default for opening files in python 2.x. It was only in python 3.x which makes open() use io.open().
Try:
from timeit import Timer
t = Timer( f = io.open("E:\db.txt", "r"); f.read(); f.close() , import io )
t.timeit(10000)
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