Re: Py 3.3, unicode / upper()

From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: Py 3.3, unicode / upper()
Date	2012-12-20 17:30 -0500
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On 12/20/2012 2:57 PM, wxjmfauth@gmail.com wrote:

> I shew a case where the Py33 works 10 times slower than Py32,
> "replace". You the devs spend your time to correct that case.

I discovered that it is the 'find' part of find and replace that is 
slower. The comparison is worse on Windows than on *nix. There is an 
issue on the tracker so it may be improved someday. Most devs are not 
especially bothered and would rather fix errors as part of their 
volunteer work.

> Now, if I'm putting on the table an exemple working 20 times
> slower. Will you spend your time to optimize that?
>
> I'm affraid, this is the FSR which is problematic, not the
> corner cases.

I showed another case where 3.3 is a thousand, a million times faster 
than 3.2. Does that make the old way 'problematic'?

Don't you think that the bugs (wrong answers) in narrow builds to be 
'problematic'? Do you really think that getting wrong answers faster is 
better that getting right answers possibly slower?

The 'find' operation is just 1 of about 30 that are tested by 
stringbench.py. Run that on 3.3 and 3.2, as I did, before talking about 
FSR as 'problematic'.

-- 
Terry Jan Reedy

Thread

Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 06:23 -0800
  Re: Py 3.3, unicode / upper() Thomas Bach <thbach@students.uni-mainz.de> - 2012-12-19 15:43 +0100
  Re: Py 3.3, unicode / upper() Christian Heimes <christian@python.org> - 2012-12-19 15:52 +0100
    Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 12:55 -0800
      Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-19 14:23 -0700
        Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:42 -0800
        Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:42 -0800
      Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 13:01 +1100
      Re: Py 3.3, unicode / upper() Westley Martínez <anikom15@gmail.com> - 2012-12-19 18:53 -0800
    Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 12:55 -0800
  Re: Py 3.3, unicode / upper() Stefan Krah <stefan-usenet@bytereef.org> - 2012-12-19 16:01 +0100
  Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 02:17 +1100
  Re: Py 3.3, unicode / upper() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-12-19 16:18 +0100
    Re: Py 3.3, unicode / upper() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-12-19 16:22 +0100
    Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 02:40 +1100
      Re: Py 3.3, unicode / upper() Johannes Bauer <dfnsonfsduifb@gmx.de> - 2012-12-20 15:57 +0100
    Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-19 11:27 -0700
      Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 13:18 -0800
        Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-19 14:31 -0700
          Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:40 -0800
            Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:48 -0500
            Re: Py 3.3, unicode / upper() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-12-20 22:51 +0000
          Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:40 -0800
      Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-19 13:18 -0800
    Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-19 19:39 -0500
    Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 13:03 +1100
    Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-19 21:54 -0500
    Re: Py 3.3, unicode / upper() Westley Martínez <anikom15@gmail.com> - 2012-12-19 19:12 -0800
    Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-20 14:22 +1100
    Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 00:32 -0500
      Re: Py 3.3, unicode / upper() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-12-20 05:51 +0000
      Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:57 -0800
        Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:30 -0500
      Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:57 -0800
    Re: Py 3.3, unicode / upper() Serhiy Storchaka <storchaka@gmail.com> - 2012-12-27 21:00 +0200
      Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-27 11:36 -0800
      Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-27 11:36 -0800
  Re: Py 3.3, unicode / upper() Christian Heimes <christian@python.org> - 2012-12-19 16:33 +0100
    Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-29 11:16 -0800
    Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-29 11:16 -0800
  Re: Py 3.3, unicode / upper() Benjamin Peterson <benjamin@python.org> - 2012-12-19 20:25 +0000
  Re: Py 3.3, unicode / upper() wxjmfauth@gmail.com - 2012-12-20 11:19 -0800
    Re: Py 3.3, unicode / upper() MRAB <python@mrabarnett.plus.com> - 2012-12-20 20:20 +0000
    Re: Py 3.3, unicode / upper() Chris Angelico <rosuav@gmail.com> - 2012-12-21 08:19 +1100
    Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:12 -0500
    Re: Py 3.3, unicode / upper() Terry Reedy <tjreedy@udel.edu> - 2012-12-20 17:59 -0500
    Re: Py 3.3, unicode / upper() Ian Kelly <ian.g.kelly@gmail.com> - 2012-12-20 17:34 -0700

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