Re: Reducing cache/buffer for faster display

From	Rikishi42 <skunkworks@rikishi42.net>
Newsgroups	comp.lang.python
Subject	Re: Reducing cache/buffer for faster display
Date	2012-09-29 02:20 +0200
Organization	A noiseless patient Spider
Message-ID	<2grhj9-ofn.ln1@murmur.very.softly> (permalink)
References	<cmuej9-0ml.ln1@murmur.very.softly> <mailman.1522.1348783807.27098.python-list@python.org> <k42jp3$1nc$1@reader1.panix.com> <mailman.1525.1348796763.27098.python-list@python.org>

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On 2012-09-28, Dennis Lee Bieber <wlfraed@ix.netcom.com> wrote:
> On Thu, 27 Sep 2012 22:25:39 +0000 (UTC), John Gordon <gordon@panix.com>
> declaimed the following in gmane.comp.python.general:
>
>> 
>> Isn't terminal output line-buffered?  I don't understand why there would
>> be an output delay.  (Unless the "\r" is messing things up...)
>
> 	It's the trailing ,		The \r is being used to reset to the
> beginning of the console line, but the comma "says" more output for
> /this/ line will be coming... So no output until explicitly flushed, or
> a new-line is issued.

Well, the \r seems to be the problem, allright.
But output was not completely blocked, just delayed a very long time.  

So perhaps flushing and a sending a newline aren't the only triggers for
output.  Perhaps there's a maximum delay or a maximum cumulated size, and
the output is flushed when such a limit is reached.

Anyway, that's mainly academic. I doubt there will be a correction to
that behaviour. 

-- 
When in doubt, use brute force.
                -- Ken Thompson

Thread

Reducing cache/buffer for faster display Rikishi42 <skunkworks@rikishi42.net> - 2012-09-27 23:57 +0200
  Re: Reducing cache/buffer for faster display Chris Angelico <rosuav@gmail.com> - 2012-09-28 08:09 +1000
    Re: Reducing cache/buffer for faster display John Gordon <gordon@panix.com> - 2012-09-27 22:25 +0000
      Re: Reducing cache/buffer for faster display Chris Angelico <rosuav@gmail.com> - 2012-09-28 08:38 +1000
        Re: Reducing cache/buffer for faster display Rikishi42 <skunkworks@rikishi42.net> - 2012-09-28 02:05 +0200
          Re: Reducing cache/buffer for faster display Chris Angelico <rosuav@gmail.com> - 2012-09-28 18:08 +1000
            Re: Reducing cache/buffer for faster display Rikishi42 <skunkworks@rikishi42.net> - 2012-09-29 02:31 +0200
      Re: Reducing cache/buffer for faster display Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-27 21:46 -0400
        Re: Reducing cache/buffer for faster display Rikishi42 <skunkworks@rikishi42.net> - 2012-09-29 02:20 +0200
          Re: Reducing cache/buffer for faster display Hans Mulder <hansmu@xs4all.nl> - 2012-09-29 14:32 +0200
          Re: Reducing cache/buffer for faster display Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-29 14:12 -0400
    Re: Reducing cache/buffer for faster display Rikishi42 <skunkworks@rikishi42.net> - 2012-09-28 02:15 +0200

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