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Groups > comp.lang.c++ > #13648

Re: Leigh's GUI [OT]

From 88888 Dihedral <dihedral88888@googlemail.com>
Newsgroups comp.lang.c++
Subject Re: Leigh's GUI [OT]
Date 2012-01-29 05:07 -0800
Organization http://groups.google.com
Message-ID <16285143.599.1327842450591.JavaMail.geo-discussion-forums@proa7> (permalink)
References (2 earlier) <jfvebq$17eb$1@adenine.netfront.net> <11915561.372.1327786541879.JavaMail.geo-discussion-forums@prlv30> <9ojb5mF8j0U12@mid.individual.net> <25265839.369.1327790783190.JavaMail.geo-discussion-forums@prhp24> <9ojel7F8j0U17@mid.individual.net>

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在 2012年1月29日星期日UTC+8上午7时28分39秒,Ian Collins写道:
> On 01/29/12 11:46 AM, 88888 Dihedral wrote:
> > 在 2012年1月29日星期日UTC+8上午6时29分10秒,Ian Collins写道:
> >> On 01/29/12 10:35 AM, 88888 Dihedral wrote:
> >>
> >>> The roadmap is WIMAX to LTE before 2020 to relpace the cheap old  GSM.
> >>> In this part C++ is not very useful for those DSP routines in mobile systems.
> >>
> >> The last mobile DSP project I was involved in used C++.
> 
> Please don't quote signatures
> 
> > I'll use  pointers to  structures for any heavy computing jobs in DSP
> > in the C way.
> >
> > Even the v-pointer to the v-table for each element in 2D or 3D are
> > slowingdown the process.
> >
> > Of course a lot people don't do digtal image or video processing for
> > a window convolution larger than 16X16.
> 
> Even more people don't do any video processing.  DSPs have many uses.
> 
> > Just implement a Wiener filter of a simple model for an image of a high priced
> > digital camcorder for hand shakinking elimanation of motion blurred sources,
> > then the C++ funny way is not very useful at all.
> 
> What "C++ funny way"?  There are as many ways to use C++ as there are 
> problems to solve.
> 
> -- 
> Ian Collins

I'll make my point clear in heavy computing tasks. It is better to program
in registers directly supported in hardware operations without any extra-
overhead in the basic operations. 

Higher level languages that will introduce any overhead in basic operations are not very helpful in this situation.   

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Thread

Leigh's GUI [OT] "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-27 22:23 +0000
  Re: Leigh's GUI [OT] Leigh Johnston <leigh@i42.co.uk> - 2012-01-27 22:29 +0000
    Re: Leigh's GUI [OT] "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-28 00:09 +0000
      Re: Leigh's GUI [OT] Leigh Johnston <leigh@i42.co.uk> - 2012-01-28 13:01 +0000
        Re: Leigh's GUI [OT] "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-28 15:26 +0000
          Re: Leigh's GUI [OT] Leigh Johnston <leigh@i42.co.uk> - 2012-01-28 16:27 +0000
            Re: Leigh's GUI [OT] "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-28 16:37 +0000
              Re: Leigh's GUI [OT] Leigh Johnston <leigh@i42.co.uk> - 2012-01-28 19:16 +0000
              Re: Leigh's GUI [OT] 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-28 12:52 -0800
                Re: Leigh's GUI [OT] "Paul" <pchrist<nospam>or@yahoo.co.uk> - 2012-01-28 22:26 +0000
              Re: Leigh's GUI [OT] Thomas Boell <tboell@domain.invalid> - 2012-02-01 13:57 +0100
      Re: Leigh's GUI [OT] 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-28 13:35 -0800
        Re: Leigh's GUI [OT] Ian Collins <ian-news@hotmail.com> - 2012-01-29 11:29 +1300
          Re: Leigh's GUI [OT] 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-28 14:46 -0800
            Re: Leigh's GUI [OT] Ian Collins <ian-news@hotmail.com> - 2012-01-29 12:28 +1300
              Re: Leigh's GUI [OT] 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-29 05:07 -0800
            Re: Leigh's GUI [OT] hanukas <jukka@liimatta.org> - 2012-01-30 00:55 -0800
              Re: Leigh's GUI [OT] 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-30 10:46 -0800
                Re: Leigh's GUI [OT] hanukas <jukka@liimatta.org> - 2012-01-30 14:54 -0800
                Re: Leigh's GUI [OT] Ian Collins <ian-news@hotmail.com> - 2012-01-31 18:21 +1300
          Re: Leigh's GUI [OT] 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-29 16:13 -0800

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