Re: I have a small toy program...

From	glen herrmannsfeldt <gah@ugcs.caltech.edu>
Newsgroups	comp.compression
Subject	Re: I have a small toy program...
Date	2012-01-15 11:53 +0000
Organization	Aioe.org NNTP Server
Message-ID	<jeuen4$u20$1@speranza.aioe.org> (permalink)
References	<1ae3367a-f07c-46bd-b521-65b3df34225f@q17g2000yqh.googlegroups.com> <jepv6k$2p$1@news.belwue.de> <81611339-ca35-4689-ab61-3b57ffb4392b@d10g2000vbh.googlegroups.com> <jeu9or$552$1@news.belwue.de>

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Thomas Richter <thor@math.tu-berlin.de> wrote:

(snip)
> No, it makes a bad choice. Compression performance is, first of all, not 
> measured in milliseconds, but in compression ratio. 

That is usual, but maybe not always the best choice. 

I can imagine cases where either fast encoding or fast decoding, but
not necessarily both, would be important enough that optimal compression
might be secondary.

As one example, many more backup tapes are written than ever read, and
so fast encoding is fairly important, fast decoding less important.

For document distribution, or for compressed audio or video, one assumes
that it will be encoded once and decoded many times. It may or may not
be necessary to compress in real time, but it is necessary to decompress
in real time.

-- glen

Thread

I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-12 13:50 -0800
  Re: I have a small toy program... Earl_Colby_Pottinger <earlcolby.pottinger@sympatico.ca> - 2012-01-12 17:21 -0800
  Re: I have a small toy program... Jim Leonard <mobygamer@gmail.com> - 2012-01-13 08:22 -0800
    Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-15 10:30 -0800
    Re: I have a small toy program... Noob <root@127.0.0.1> - 2012-01-16 10:29 +0100
      Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-16 10:16 -0800
        Re: I have a small toy program... Jim Leonard <mobygamer@gmail.com> - 2012-01-16 11:08 -0800
        Re: I have a small toy program... Sebastian <s.gesemann@gmail.com> - 2012-01-16 15:34 -0800
        Re: I have a small toy program... stan <smoore@exis.net> - 2012-01-17 21:07 -0500
          Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-19 17:27 -0800
            Re: I have a small toy program... Jim Leonard <mobygamer@gmail.com> - 2012-01-20 07:36 -0800
              Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-20 19:05 -0800
                Re: I have a small toy program... Thomas Richter <thor@math.tu-berlin.de> - 2012-01-21 11:02 +0100
                Re: I have a small toy program... Sebastian <s.gesemann@gmail.com> - 2012-01-21 01:55 -0800
                Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-27 21:30 -0800
                Re: I have a small toy program... Sebastian <s.gesemann@gmail.com> - 2012-01-28 06:59 -0800
                Re: I have a small toy program... Jim Leonard <mobygamer@gmail.com> - 2012-01-23 11:09 -0800
                Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-23 19:18 -0800
                Re: I have a small toy program... pfraser <pete_fraser@comcast.net> - 2012-01-23 19:53 -0800
                Re: I have a small toy program... glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-01-24 11:33 +0000
                Re: I have a small toy program... Earl_Colby_Pottinger <earlcolby.pottinger@sympatico.ca> - 2012-01-24 06:30 -0800
                Re: I have a small toy program... glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-01-24 15:35 +0000
                Re: I have a small toy program... Earl_Colby_Pottinger <earlcolby.pottinger@sympatico.ca> - 2012-01-24 13:00 -0800
                Re: I have a small toy program... jacko <jackokring@gmail.com> - 2012-01-24 13:37 -0800
                Re: I have a small toy program... pfraser <pete_fraser@comcast.net> - 2012-01-24 07:55 -0800
                Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-28 11:03 -0800
                Re: I have a small toy program... Jim Leonard <mobygamer@gmail.com> - 2012-01-30 10:01 -0800
                Re: I have a small toy program... stan <smoore@exis.net> - 2012-01-30 18:59 -0500
                Re: I have a small toy program... Jim Leonard <mobygamer@gmail.com> - 2012-01-24 07:31 -0800
              Re: I have a small toy program... glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-01-21 14:34 +0000
                Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-27 21:22 -0800
                Re: I have a small toy program... pfraser <pete_fraser@comcast.net> - 2012-01-28 07:00 -0800
                Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-28 11:06 -0800
  Re: I have a small toy program... Thomas Richter <thor@math.tu-berlin.de> - 2012-01-13 20:03 +0100
    Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-14 17:13 -0800
      Re: I have a small toy program... Thomas Richter <thor@math.tu-berlin.de> - 2012-01-15 11:28 +0100
        Re: I have a small toy program... glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-01-15 11:53 +0000
          Re: I have a small toy program... Thomas Richter <thor@math.tu-berlin.de> - 2012-01-15 13:24 +0100
            Re: I have a small toy program... glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-01-15 13:48 +0000
              Re: I have a small toy program... jules Gilbert <jules.stocks@gmail.com> - 2012-01-15 10:43 -0800
                Re: I have a small toy program... Thomas Richter <thor@math.tu-berlin.de> - 2012-01-15 20:44 +0100
        Re: I have a small toy program... stan <smoore@exis.net> - 2012-01-15 21:31 -0500
      Re: I have a small toy program... Sebastian <s.gesemann@gmail.com> - 2012-01-15 03:32 -0800

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