String performance regression from python 3.2 to 3.3
rusi
rustompmody at gmail.com
Wed Mar 13 06:11:18 EDT 2013
On Mar 13, 3:07 pm, rusi <rustompm... at gmail.com> wrote:
> On Mar 13, 2:36 pm, jmfauth <wxjmfa... at gmail.com> wrote:
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> > As a reply to rusi's comment:http://groups.google.com/group/comp.lang.python/browse_thread/thread/...
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> > From string creation to the itertools usage. A medley. Some timings.
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> > Important:
> > The real/absolute values of these experiments are not important. I do
> > not care and I'm not complaining at all.
>
> > These values are expected, I expected such values and they are only
> > confirming (*FOR ME*) my understanding of the coding of the characters
> > (and Unicode).
>
> > #~ py323 py330
>
> > #~ test 1: 0.015357737412819 0.019290216142579
> > #~ test 2: 0.015698801667198 0.020386269052436
> > #~ test 3: 0.015613338684288 0.018769561472500
> > #~ test 4: 0.023235297708529 0.032253414679390
> > #~ test 5: 0.023327062109534 0.029621391108935
> > #~ test 6: 1.119958127076760 1.095467665651482
> > #~ test 7: 0.420158472788311 0.565518010043673
> > #~ test 8: 0.649444234615974 1.061556978013171
> > #~ test 9: 0.712335144072079 1.211614222458175
> > #~ test 10: 0.704622996001357 1.160909074081441
> > #~ test 11: 0.614674584923621 1.053985430333688
> > #~ test 12: 0.660336235792764 1.059443246081010
> > #~ test 13: 4.821435927771570 5.795325214218677
> > #~ test 14: 0.494012668213403 0.729330462512273
> > #~ test 15: 0.504894429585788 0.879966255906103
> > #~ test 16: 0.693093370081103 1.132884304782264
> > #~ test 17: 0.749076743789461 3.013804437852462
> > #~ test 18: 7.467055989281286 13.387841650089342
> > #~ test 19: 7.581776062566778 13.593412812594643
> > #~ test 20: 9.477877493343140 15.235388291413805
> > #~ test 21: 0.022614608026196 0.020984116094176
> > #~ test 22: 6.685022041178975 12.687538276191944
> > #~ test 23: 6.946794763994170 12.986701250949636
> > #~ test 24: 0.097796827314760 0.156285014715777
> > #~ test 25: 0.024915807146677 0.034190706904894
> > #~ test 26: 0.024996544066013 0.032191582014335
> > #~ test 27: 0.000693943667684 0.001315421027272
> > #~ test 28: 0.000679765476967 0.001305968900141
> > #~ test 29: 0.001614344548152 0.025543979763000
> > #~ test 30: 0.000204008410812 0.000286714523313
> > #~ test 31: 0.000213460537964 0.000301286552656
> > #~ test 32: 0.000204008410819 0.000291440586878
> > #~ test 33: 0.249692904327539 0.497374474766957
> > #~ test 34: 0.248750448483740 0.513947598194790
> > #~ test 35: 0.099810130396032 0.249129715085319
>
> > jmf
>
> Thank you jmf. I believe that for the first time you have moved beyond
> a single point of complaint to a swathe of data points which evidently
> show performance regression. You would need to provide data of what
> these tests 1-35 are.
Uhhh..
Making the subject line useful for all readers
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