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Groups > comp.lang.python > #27505

Re: Abuse of Big Oh notation

References (7 earlier) <7xfw7ilqnd.fsf@ruckus.brouhaha.com> <50314968$0$29978$c3e8da3$5496439d@news.astraweb.com> <7xwr0ua1pw.fsf@ruckus.brouhaha.com> <mailman.3547.1345451405.4697.python-list@python.org> <7xr4r1pn72.fsf@ruckus.brouhaha.com>
Date 2012-08-21 02:09 +1000
Subject Re: Abuse of Big Oh notation
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.3563.1345478961.4697.python-list@python.org> (permalink)

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On Tue, Aug 21, 2012 at 2:01 AM, Paul Rubin <no.email@nospam.invalid> wrote:
> Analogy: how big a box is required to hold a pair of shoes?  In a purely
> theoretical sense we might say O(S) where S is the shoe size, treating
> shoe size as an arbitrary independent variable.  But in the real world,
> shoe size is controlled by the size of human feet, which is bounded by a
> constant for biological reasons.  You don't have to consider shoes the
> size of Jupiter.  So it is O(1).

By that argument, everything is amortized O(1), because there's a
limit on every variable. You can't possibly be working with a data set
greater than the total sum of storage space in the entire world. That
still doesn't mean that bubble sort and heap sort are equivalently
efficient.

ChrisA

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Thread

How do I display unicode value stored in a string variable using ord() Charles Jensen <hopefullycharles@gmail.com> - 2012-08-16 15:09 -0700
  Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-17 08:20 +1000
  Re: How do I display unicode value stored in a string variable using ord() Dave Angel <d@davea.name> - 2012-08-16 18:47 -0400
  Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-16 19:59 -0400
    Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-17 10:49 -0700
      Re: How do I display unicode value stored in a string variable using ord() Jerry Hill <malaclypse2@gmail.com> - 2012-08-17 14:21 -0400
        Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-17 11:45 -0700
        Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-17 11:45 -0700
          Re: How do I display unicode value stored in a string variable using ord() Dave Angel <d@davea.name> - 2012-08-17 16:55 -0400
          Re: How do I display unicode value stored in a string variable using ord() Dave Angel <d@davea.name> - 2012-08-17 23:30 -0400
            Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-18 04:10 +0000
              Re: How do I display unicode value stored in a string variable using ord() Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-18 09:18 -0600
          Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-18 03:59 +0000
    Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-17 10:49 -0700
  Re: How do I display unicode value stored in a string variable using ord() Alister <alister.ware@ntlworld.com> - 2012-08-17 06:30 +0000
  Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 01:09 -0700
    Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-18 12:27 +0000
      Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 08:07 -0700
        Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-18 16:25 +0100
        Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 01:36 +1000
        Re: How do I display unicode value stored in a string variable using ord() Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-18 09:51 -0600
          Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 09:38 -0700
            Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 02:57 +1000
            Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-18 18:28 +0100
              Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 11:05 -0700
                Re: How do I display unicode value stored in a string variable using ord() MRAB <python@mrabarnett.plus.com> - 2012-08-18 19:34 +0100
                Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 06:35 +0000
                New internal string format in 3.3, was Re: How do I display unicode value stored in a string variable using ord() Peter Otten <__peter__@web.de> - 2012-08-19 09:43 +0200
                Re: New internal string format in 3.3, was Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 08:56 +0000
                Re: New internal string format in 3.3, was Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-19 02:24 -0700
                Re: New internal string format in 3.3 Peter Otten <__peter__@web.de> - 2012-08-19 11:37 +0200
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 03:19 -0700
                Re: New internal string format in 3.3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 13:33 +0000
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 03:19 -0700
                Re: New internal string format in 3.3 Chris Angelico <rosuav@gmail.com> - 2012-08-19 20:26 +1000
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 05:14 -0700
                Re: New internal string format in 3.3 Dave Angel <d@davea.name> - 2012-08-19 08:29 -0400
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 05:59 -0700
                Re: New internal string format in 3.3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-19 14:46 +0100
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 07:09 -0700
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 07:09 -0700
                Re: New internal string format in 3.3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-19 15:48 +0100
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 09:19 -0700
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 09:19 -0700
                Re: New internal string format in 3.3 Terry Reedy <tjreedy@udel.edu> - 2012-08-19 13:48 -0400
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 10:51 -0700
                Re: New internal string format in 3.3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-19 19:09 +0100
                Re: New internal string format in 3.3 Chris Angelico <rosuav@gmail.com> - 2012-08-20 07:50 +1000
                Re: New internal string format in 3.3 Michael Torrie <torriem@gmail.com> - 2012-08-19 23:38 -0600
                Re: New internal string format in 3.3 Roy Smith <roy@panix.com> - 2012-08-20 09:17 -0400
                Re: New internal string format in 3.3 Michael Torrie <torriem@gmail.com> - 2012-08-20 22:18 -0600
                Re: New internal string format in 3.3 Roy Smith <roy@panix.com> - 2012-08-21 07:48 -0400
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 10:51 -0700
                Re: New internal string format in 3.3 Terry Reedy <tjreedy@udel.edu> - 2012-08-19 13:56 -0400
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 05:59 -0700
                Re: New internal string format in 3.3 Dave Angel <d@davea.name> - 2012-08-19 08:35 -0400
                Re: New internal string format in 3.3 wxjmfauth@gmail.com - 2012-08-19 05:14 -0700
                Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 06:30 +0000
              Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 11:05 -0700
            Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-18 16:09 -0400
            Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-18 23:12 -0400
          Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 09:38 -0700
          Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 06:33 +0000
            Re: How do I display unicode value stored in a string variable using ord() Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-19 11:50 -0600
              Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 11:20 -0700
                Re: How do I display unicode value stored in a string variable using ord() Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-19 12:31 -0600
                Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 12:23 -0700
              Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 20:16 +0000
            Re: How do I display unicode value stored in a string variable using ord() Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-19 12:46 -0600
        Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-18 17:59 +0000
          Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 11:30 -0700
            Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-18 20:45 +0100
            Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 06:13 +0000
          Re: How do I display unicode value stored in a string variable using ord() rusi <rustompmody@gmail.com> - 2012-08-18 11:40 -0700
            Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-18 20:50 +0100
            Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-18 13:22 -0700
              Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-18 22:37 +0100
      Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-18 11:26 -0700
        Re: How do I display unicode value stored in a string variable using ord() MRAB <python@mrabarnett.plus.com> - 2012-08-18 19:59 +0100
          Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 07:17 +0000
        Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 10:46 +1000
          Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-18 19:11 -0700
            Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 12:19 +1000
              Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-18 19:35 -0700
                Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 13:01 +1000
                Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-18 20:10 -0700
                Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 13:31 +1000
                Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-18 22:58 -0700
                Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 08:01 +0000
                Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 01:11 -0700
                Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 18:24 +1000
                Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 01:44 -0700
                Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-19 01:54 -0700
                Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-19 11:46 +0100
                Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-19 12:31 -0400
                Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 10:51 +0000
                Re: How do I display unicode value stored in a string variable using ord() Neil Hodgson <nhodgson@iinet.net.au> - 2012-08-21 17:03 +1000
        Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 06:09 +0000
          Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 01:04 -0700
            Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 13:25 +0000
              Re: How do I display unicode value stored in a string variable using ord() DJC <djc@news.invalid> - 2012-08-19 17:32 +0200
            Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-19 13:34 -0400
              Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 10:48 -0700
                Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-19 11:11 -0700
                Re: How do I display unicode value stored in a string variable using ord() Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-08-19 19:50 +0100
                Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-19 17:59 -0400
                Re: How do I display unicode value stored in a string variable using ord() rusi <rustompmody@gmail.com> - 2012-08-19 23:13 -0700
                Abuse of Big Oh notation [was Re: How do I display unicode value stored in a string variable using ord()] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 20:15 +0000
                Re: Abuse of Big Oh notation Paul Rubin <no.email@nospam.invalid> - 2012-08-19 16:42 -0700
                Re: Abuse of Big Oh notation Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2012-08-20 09:24 +0100
                Re: Abuse of Big Oh notation Paul Rubin <no.email@nospam.invalid> - 2012-08-20 09:01 -0700
                Re: Abuse of Big Oh notation Chris Angelico <rosuav@gmail.com> - 2012-08-21 02:09 +1000
                Re: Abuse of Big Oh notation Ian Kelly <ian.g.kelly@gmail.com> - 2012-08-20 11:12 -0600
                Re: Abuse of Big Oh notation Paul Rubin <no.email@nospam.invalid> - 2012-08-20 12:29 -0700
                Re: Abuse of Big Oh notation 88888 Dihedral <dihedral88888@googlemail.com> - 2012-08-20 15:16 -0700
                Re: Abuse of Big Oh notation 88888 Dihedral <dihedral88888@googlemail.com> - 2012-08-20 15:20 -0700
                Re: Abuse of Big Oh notation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-21 09:53 +0000
                Re: Abuse of Big Oh notation wxjmfauth@gmail.com - 2012-08-20 11:42 -0700
                Re: Abuse of Big Oh notation Ned Deily <nad@acm.org> - 2012-08-20 18:19 -0700
                Abuse of subject, was Re: Abuse of Big Oh notation Peter Otten <__peter__@web.de> - 2012-08-21 09:52 +0200
                Re: Abuse of subject, was Re: Abuse of Big Oh notation wxjmfauth@gmail.com - 2012-08-21 10:16 -0700
                Re: Abuse of subject, was Re: Abuse of Big Oh notation wxjmfauth@gmail.com - 2012-08-21 10:16 -0700
                Re: Abuse of Big Oh notation wxjmfauth@gmail.com - 2012-08-20 11:42 -0700
                Re: How do I display unicode value stored in a string variable using ord() Hans Mulder <hansmu@xs4all.nl> - 2012-08-22 20:53 +0200
            Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-20 08:42 +1000
              Re: How do I display unicode value stored in a string variable using ord() Roy Smith <roy@panix.com> - 2012-08-19 19:24 -0400
                Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-20 04:21 +0000
                Re: How do I display unicode value stored in a string variable using ord() Roy Smith <roy@panix.com> - 2012-08-20 00:44 -0400
                Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-20 05:56 +0000
                Re: How do I display unicode value stored in a string variable using ord() Paul Rubin <no.email@nospam.invalid> - 2012-08-19 23:24 -0700
                Re: How do I display unicode value stored in a string variable using ord() Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-08-20 12:58 -0400
            Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-19 20:35 -0400
            Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-20 14:07 +1000
          Re: How do I display unicode value stored in a string variable using ord() lipska the kat <lipskathekat@yahoo.co.uk> - 2012-08-19 11:13 +0100
            Re: How do I display unicode value stored in a string variable using ord() Chris Angelico <rosuav@gmail.com> - 2012-08-19 20:19 +1000
              Re: How do I display unicode value stored in a string variable using ord() lipska the kat <lipskathekat@yahoo.co.uk> - 2012-08-19 11:49 +0100
      Re: How do I display unicode value stored in a string variable using ord() "Blind Anagram" <noname@nowhere.com> - 2012-08-19 18:03 +0100
        Re: How do I display unicode value stored in a string variable using ord() wxjmfauth@gmail.com - 2012-08-19 10:33 -0700
          Re: How do I display unicode value stored in a string variable using ord() "Blind Anagram" <noname@nowhere.com> - 2012-08-19 19:04 +0100
        Re: How do I display unicode value stored in a string variable using ord() Dave Angel <d@davea.name> - 2012-08-19 14:05 -0400
          Re: How do I display unicode value stored in a string variable usingord() "Blind Anagram" <noname@nowhere.com> - 2012-08-19 19:18 +0100
        Re: How do I display unicode value stored in a string variable using ord() Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-08-19 20:31 +0000
        Re: How do I display unicode value stored in a string variable using ord() Terry Reedy <tjreedy@udel.edu> - 2012-08-19 17:03 -0400
        Re: How do I display unicode value stored in a string variable using ord() 88888 Dihedral <dihedral88888@googlemail.com> - 2012-08-19 17:32 -0700
        Re: How do I display unicode value stored in a string variable using ord() Piet van Oostrum <piet@vanoostrum.org> - 2012-08-20 17:20 -0400

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