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Re: Blog "about python 3"

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From Antoine Pitrou <solipsis@pitrou.net>
Subject Re: Blog "about python 3"
Date Thu, 2 Jan 2014 23:57:56 +0000 (UTC)
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Hi,

Robin Becker <robin <at> reportlab.com> writes:
> 
> For fairly sensible reasons we changed the internal default to use unicode 
> rather than bytes. After doing all that and making the tests compatible
etc etc 
> I have a version which runs in both and passes all its tests. However, for 
> whatever reason the python 3.3 version runs slower
> 
> 2.7 Ran 223 tests in 66.578s
> 
> 3.3 Ran 223 tests in 75.703s

Running a test suite is a completely broken benchmarking methodology.
You should isolate workloads you are interested in and write a benchmark
simulating them.

Regards

Antoine.

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Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-30 19:41 +0000
  Re: Blog "about python 3" Steven D'Aprano <steve@pearwood.info> - 2013-12-30 20:49 +0000
    Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-30 21:29 +0000
    Re: Blog "about python 3" Ethan Furman <ethan@stoneleaf.us> - 2013-12-30 14:38 -0800
    Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2013-12-31 12:09 +1100
    Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-31 04:38 +0000
    Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2013-12-31 15:44 +1100
    Re: Blog "about python 3" Ethan Furman <ethan@stoneleaf.us> - 2013-12-30 20:33 -0800
    Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-31 04:59 +0000
    Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-31 08:22 +0000
      Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-31 20:53 +1100
        Re: Blog "about python 3" Antoine Pitrou <solipsis@pitrou.net> - 2013-12-31 14:13 +0000
          Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2013-12-31 10:41 -0500
            Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-01 02:54 +1100
            Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-12-31 15:55 +0000
            Re: Blog "about python 3" Robin Becker <robin@reportlab.com> - 2014-01-02 17:36 +0000
              Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-03 15:49 +1100
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-03 04:01 -0500
                Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-03 02:10 -0800
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-03 21:24 +1100
                Re: Blog "about python 3" Ethan Furman <ethan@stoneleaf.us> - 2014-01-03 08:56 -0800
                Re: Blog "about python 3" Robin Becker <robin@reportlab.com> - 2014-01-03 12:28 +0000
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-03 09:57 -0500
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-04 02:32 +1100
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-03 17:00 -0500
                Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-04 04:04 +0000
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-04 08:55 -0500
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-05 01:17 +1100
                Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-04 11:10 -0800
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-04 17:46 -0500
                Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-05 06:23 -0800
                Re: Blog "about python 3" Ned Batchelder <ned@nedbatchelder.com> - 2014-01-05 10:20 -0500
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-05 17:14 -0500
                Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-07 05:34 -0800
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-07 09:54 -0500
                Re: Blog "about python 3" Tim Delaney <timothy.c.delaney@gmail.com> - 2014-01-08 09:38 +1100
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-07 19:02 -0500
                Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-08 01:59 -0800
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-08 14:26 -0500
                Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-08 20:04 +0000
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-05 17:48 -0500
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-05 10:28 +1100
                Re: Blog "about python 3" Ned Batchelder <ned@nedbatchelder.com> - 2014-01-04 12:51 -0500
                Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-05 13:27 +1100
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-05 13:32 +1100
                Re: Blog "about python 3" MRAB <python@mrabarnett.plus.com> - 2014-01-05 02:41 +0000
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-04 22:20 -0500
                Re: Blog "about python 3" Rustom Mody <rustompmody@gmail.com> - 2014-01-05 10:12 +0530
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-05 00:11 -0500
                Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-05 17:28 +1100
                Re: Blog "about python 3" Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-01-05 14:05 -0500
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-05 15:01 +1100
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-05 11:34 -0500
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-06 03:51 +1100
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-05 12:09 -0500
                Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-06 11:42 +1100
                Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-05 17:56 -0500
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-06 10:59 +1100
                Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-06 12:23 +1100
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-06 12:54 +1100
                Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-06 05:53 +0000
                Re: Blog "about python 3" Devin Jeanpierre <jeanpierreda@gmail.com> - 2014-01-05 00:00 -0800
                Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-05 23:28 +1100
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-05 23:48 +1100
                Re: Blog "about python 3" Roy Smith <roy@panix.com> - 2014-01-05 11:10 -0500
                Re: Blog "about python 3" Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-01-05 13:51 -0500
            Re: Blog "about python 3" David Hutto <dwightdhutto@gmail.com> - 2014-01-02 13:25 -0500
            Re: Blog "about python 3" Terry Reedy <tjreedy@udel.edu> - 2014-01-02 13:37 -0500
            Re: Blog "about python 3" Antoine Pitrou <solipsis@pitrou.net> - 2014-01-02 23:57 +0000
            Re: Blog "about python 3" Robin Becker <robin@reportlab.com> - 2014-01-03 10:32 +0000
            Re: Blog "about python 3" Robin Becker <robin@reportlab.com> - 2014-01-03 11:14 +0000
              Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-04 05:52 -0800
                Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-05 13:41 +1100
                Re: Blog "about python 3" Chris Angelico <rosuav@gmail.com> - 2014-01-05 13:54 +1100
                Re: Blog "about python 3" wxjmfauth@gmail.com - 2014-01-05 02:39 -0800
            Re: Blog "about python 3" Robin Becker <robin@reportlab.com> - 2014-01-03 11:37 +0000
            Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-04 07:30 +0000
        Re: Blog "about python 3" Johannes Bauer <dfnsonfsduifb@gmx.de> - 2014-01-05 13:14 +0100
          Re: Blog "about python 3" Stefan Behnel <stefan_ml@behnel.de> - 2014-01-05 14:55 +0100
        Re: Blog "about python 3" Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-05 13:10 +0000
    Re: Blog "about python 3" Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-12-31 20:04 +1100
    Re: Blog "about python 3" Devin Jeanpierre <jeanpierreda@gmail.com> - 2013-12-30 20:25 -0800

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