Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.c++ > #7101

Re: Fast swapping of STL containers

Path csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.albasani.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From Ian Collins <ian-news@hotmail.com>
Newsgroups comp.lang.c++
Subject Re: Fast swapping of STL containers
Date Fri, 24 Jun 2011 21:27:45 +1200
Lines 19
Message-ID <96j3l5Fb9tU1@mid.individual.net> (permalink)
References <2879c8f0-969f-4ecb-8da8-86874b949168@t38g2000prj.googlegroups.com> <itvh7m$c95$1@dont-email.me> <bfadb469-e29c-45e1-aaf9-e6a9f056ad2f@28g2000pry.googlegroups.com> <67239772-4eef-4db5-be19-01a792194bb2@c41g2000yqm.googlegroups.com> <ff195525-e4c2-49dc-93b2-de59a4b83ad1@h12g2000pro.googlegroups.com>
Mime-Version 1.0
Content-Type text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding 7bit
X-Trace individual.net x0M7pZTWtbpYSIesupDUPAc9NIqBFC0HuxTu2Ck2mg4sCyMW6O
Cancel-Lock sha1:gR0uYESk12S3eS+k4ATFq3lRlL8=
User-Agent Mozilla/5.0 (X11; U; SunOS i86pc; en-US; rv:1.9.2.9) Gecko/20101021 Lightning/1.0b2 Thunderbird/3.1.4
In-Reply-To <ff195525-e4c2-49dc-93b2-de59a4b83ad1@h12g2000pro.googlegroups.com>
Xref x330-a1.tempe.blueboxinc.net comp.lang.c++:7101

Show key headers only | View raw


On 06/24/11 09:16 PM, ittium wrote:
> Thanks guys for your valuable time. I was actually thinking of writing
> my own routines to solve this problem.
>
> I checked STL map documentation it actually contain swap routine. I
> did some googling, I could not find any information regarding
> performance of such an operation.
>
>  From the discussion, it seems swap of standard container should be
> fairly fast operation.
> A standard link regarding this will help me convince other designers
> in my group, to take this approach.

Well come on, it's the library author's job to write efficient code.  If 
they didn't, users would soon complain.  They have implementation 
specific short cuts available to them that we users do not.

-- 
Ian Collins

Back to comp.lang.c++ | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

Fast swapping of STL containers ittium <ittium@gmail.com> - 2011-06-23 06:45 -0700
  Re: Fast swapping of STL containers Victor Bazarov <v.bazarov@comcast.invalid> - 2011-06-23 10:05 -0400
    Re: Fast swapping of STL containers gwowen <gwowen@gmail.com> - 2011-06-23 08:07 -0700
      Re: Fast swapping of STL containers Rune Allnor <allnor@tele.ntnu.no> - 2011-06-23 22:49 -0700
        Re: Fast swapping of STL containers ittium <ittium@gmail.com> - 2011-06-24 02:16 -0700
          Re: Fast swapping of STL containers Ian Collins <ian-news@hotmail.com> - 2011-06-24 21:27 +1200
            Re: Fast swapping of STL containers ittium <ittium@gmail.com> - 2011-06-24 02:58 -0700
              Re: Fast swapping of STL containers Ian Collins <ian-news@hotmail.com> - 2011-06-24 22:09 +1200
                Re: Fast swapping of STL containers ittium <ittium@gmail.com> - 2011-06-24 03:29 -0700
                Re: Fast swapping of STL containers Ian Collins <ian-news@hotmail.com> - 2011-06-24 22:44 +1200
                Re: Fast swapping of STL containers Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-06-24 13:25 +0200
                Re: Fast swapping of STL containers Ian Collins <ian-news@hotmail.com> - 2011-06-24 23:35 +1200
                Re: Fast swapping of STL containers Pete Becker <pete@versatilecoding.com> - 2011-06-24 07:34 -0400
          Re: Fast swapping of STL containers Kai-Uwe Bux <jkherciueh@gmx.net> - 2011-06-24 13:34 +0200
        Re: Fast swapping of STL containers gwowen <gwowen@gmail.com> - 2011-06-24 03:26 -0700
          Re: Fast swapping of STL containers ittium <ittium@gmail.com> - 2011-06-24 03:30 -0700
            Re: Fast swapping of STL containers gwowen <gwowen@gmail.com> - 2011-06-24 04:01 -0700
              Re: Fast swapping of STL containers Pete Becker <pete@versatilecoding.com> - 2011-06-24 07:37 -0400
                Re: Fast swapping of STL containers gwowen <gwowen@gmail.com> - 2011-06-24 06:11 -0700
  Re: Fast swapping of STL containers Werner <werasm@gmail.com> - 2011-06-24 02:29 -0700
    Re: Fast swapping of STL containers Werner <werasm@gmail.com> - 2011-06-24 04:51 -0700
  Re: Fast swapping of STL containers hanukas <jukka@liimatta.org> - 2011-06-29 05:29 -0700
    Re: Fast swapping of STL containers Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-06-29 15:45 +0000
      Re: Fast swapping of STL containers hanukas <jukka@liimatta.org> - 2011-06-30 23:46 -0700

csiph-web