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| From | Mark Lawrence <breamoreboy@yahoo.co.uk> |
| Subject | Re: String performance regression from python 3.2 to 3.3 |
| Date | Sat, 16 Mar 2013 04:56:41 +0000 |
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On 16/03/2013 04:35, rusi wrote: > On Mar 16, 9:09 am, Chris Angelico <ros...@gmail.com> wrote: >> On Sat, Mar 16, 2013 at 2:56 PM, Mark Lawrence <breamore...@yahoo.co.uk> wrote: >>> On 16/03/2013 02:44, Thomas 'PointedEars' Lahn wrote: >> >>>> Chris Angelico wrote: >> >>> Thomas and Chris, would the two of you be kind enough to explain to morons >>> such as myself how all the ECMAScript stuff relates to Python's unicode as >>> implemented via PEP 393 as you've lost me, easily done I know. >> >> Sure. Here's the brief version: It's all about how a string is exposed >> to a script. >> >> * Python 3.2 Narrow gives you UTF-16. Non-BMP characters count twice. >> * Python 3.2 Wide gives you UTF-32. Each character counts once. >> * Python 3.3 gives you UTF-32, but will store it as compactly as possible. > > Framing issue here (made famous by en.wikipedia.org/wiki/ > George_Lakoff) > > When one uses words like 'compact' 'flexible' etc it loads the dice in > favour of 3.3 choices. > And ignores that 3.3 trades time for space. > As stated in PEP 393 so what's all the fuss about? -- Cheers. Mark Lawrence
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A reply for rusi (FSR) jmfauth <wxjmfauth@gmail.com> - 2013-03-13 02:36 -0700
Re: A reply for rusi (FSR) rusi <rustompmody@gmail.com> - 2013-03-13 03:07 -0700
String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-13 03:11 -0700
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-13 21:59 +1100
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-13 09:49 -0700
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-14 10:43 +1100
Re: String performance regression from python 3.2 to 3.3 MRAB <python@mrabarnett.plus.com> - 2013-03-14 00:52 +0000
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-14 11:55 +1100
Re: String performance regression from python 3.2 to 3.3 MRAB <python@mrabarnett.plus.com> - 2013-03-14 02:01 +0000
Re: String performance regression from python 3.2 to 3.3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-14 04:05 +0000
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-14 17:47 +1100
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-14 03:48 -0700
Re: String performance regression from python 3.2 to 3.3 Terry Reedy <tjreedy@udel.edu> - 2013-03-14 19:14 -0400
Re: String performance regression from python 3.2 to 3.3 Terry Reedy <tjreedy@udel.edu> - 2013-03-14 20:48 -0400
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-15 10:07 -0700
RE: String performance regression from python 3.2 to 3.3 Andriy Kornatskyy <andriy.kornatskyy@live.com> - 2013-03-15 21:04 +0300
Re: String performance regression from python 3.2 to 3.3 Terry Reedy <tjreedy@udel.edu> - 2013-03-13 22:35 -0400
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-14 17:21 +1100
Re: String performance regression from python 3.2 to 3.3 Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-13 18:42 +0100
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-14 11:19 +1100
Re: String performance regression from python 3.2 to 3.3 Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-16 03:44 +0100
Re: String performance regression from python 3.2 to 3.3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-03-16 03:56 +0000
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-15 21:26 -0700
Re: String performance regression from python 3.2 to 3.3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-16 08:47 +0000
Re: String performance regression from python 3.2 to 3.3 Neil Hodgson <nhodgson@iinet.net.au> - 2013-03-17 09:00 +1100
Re: String performance regression from python 3.2 to 3.3 Roy Smith <roy@panix.com> - 2013-03-16 18:10 -0400
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-16 14:59 +1100
Re: String performance regression from python 3.2 to 3.3 Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-03-16 05:12 +0100
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-16 15:20 +1100
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-15 22:21 -0700
Re: String performance regression from python 3.2 to 3.3 Chris Angelico <rosuav@gmail.com> - 2013-03-16 15:09 +1100
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-15 21:35 -0700
Re: String performance regression from python 3.2 to 3.3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-03-16 04:56 +0000
Re: String performance regression from python 3.2 to 3.3 Terry Reedy <tjreedy@udel.edu> - 2013-03-16 01:05 -0400
Re: String performance regression from python 3.2 to 3.3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-16 05:38 +0000
Re: String performance regression from python 3.2 to 3.3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-16 05:25 +0000
Re: String performance regression from python 3.2 to 3.3 Roy Smith <roy@panix.com> - 2013-03-16 09:29 -0400
Re: String performance regression from python 3.2 to 3.3 rusi <rustompmody@gmail.com> - 2013-03-16 09:39 -0700
Re: String performance regression from python 3.2 to 3.3 Roy Smith <roy@panix.com> - 2013-03-16 14:00 -0400
Re: String performance regression from python 3.2 to 3.3 jmfauth <wxjmfauth@gmail.com> - 2013-03-16 13:42 -0700
Re: A reply for rusi (FSR) Chris Angelico <rosuav@gmail.com> - 2013-03-13 21:32 +1100
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