Performance of int/long in Python 3
Cousin Stanley
cousinstanley at gmail.com
Tue Mar 26 12:41:13 EDT 2013
Chris Angelico wrote:
> Once again, Py3 is slower on small integers than Py2.
Chris Angelico
Ubuntu Karmic.
Pentium(R) Dual-Core CPU E6500 @ 2.93GHz.
python inline range_sum forloop forloop_offset
2.6.4 2.7050 2.6492 6.5877 16.5168
3.1.1 4.4453 4.3731 12.4834 13.5001
You do seem to have a slight py3 improvement
under ubuntu for the forloop_offset case ....
> So where's the difference with your system ?
CPU ????
> This is really weird !
Yep ...
> I assume you can repeat the tests
> and get the same result every time ?
Yes ....
First lines of numbers below are from yesterday
while second lines are from today ....
Stanley C. Kitching
Debian Wheezy
Intel(R) Celeron(R) D CPU 3.33GH Single Core
python inline range_sum forloop forloop_offset
2.7.3 3.1359 3.0725 9.0778 15.6475
2.7.3 3.0382 3.1452 9.8799 16.8579
3.2.3 2.8226 2.8074 13.47624 13.6430
3.2.3 2.8331 2.8228 13.54151 13.8716
--
Stanley C. Kitching
Human Being
Phoenix, Arizona
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