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Re: Emacs 20.7.1 (hppa2.0n-hp-hpux11.00): slow terminal output with SSH


From: Ulrich Windl
Subject: Re: Emacs 20.7.1 (hppa2.0n-hp-hpux11.00): slow terminal output with SSH
Date: Thu, 16 Nov 2000 08:28:37 +0100

On 15 Nov 2000, at 21:11, Ehud Karni wrote:

> On Wed, 15 Nov 2000 15:54:16 +0100, Ulrich Windl <address@hidden> wrote:
> > 
> > I'm running Emacs 20.7 on HP-UX 11.00 with OpenSSH 2.1.1p1 connected to 
> > TeraTerm-SSH 1.4.4 (Windows/95). I noticed, originally in Emacs 20.2, 
> > that terminal output is terribly slow in SSH. I updated to 20.7 and it 
> > still is.
> > 
> > However with vi or more there is no such problem. I wonder what it 
> > could be. The effect is that about one line per second appears; to be 
> > reporoduced simply by starting Emacs and watch painting its 
> > introduction screen.
> > 
> > I can only suspect that it might have to do with padding. Yes, I output 
> > to a plain old VT100 emulation, no X11.
> 
> It seems Emacs thinks you work on a slow terminal and is adding delays.
> To check this assumption add the following line to your .emacs or
> evaluate it after starting.
>     (setq baud-rate 56000)     ;; must for working faster (linux)
> We had this problem on telnet (without SSH) on our system, the
> above line solved it completely.

I forgot to say: Using the same version of Emacs on the same machine, 
but connecting VIA TELNET is fast enough. And the lines come out fast 
too, but there's a delay after a line.

> 
> May it is time to drop the slow terminal support from Emacs altogether,
> I don't think there are slow terminals (except may be in technological
> museums) that have to have padding.

We still have 9600 Baud serial terminals. We also have a 2400 baud 
modem that is still in use.

Regards,
Ulrich




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