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Date: Tue, 31 Oct 2000 20:48:50 -0200 (BRDT)
From: Rik van Riel <riel@conectiva.com.br>
To: "Jeff V. Merkey" <jmerkey@timpanogas.org>
cc: Larry McVoy <lm@bitmover.com>, Paul Menage <pmenage@ensim.com>,
        linux-kernel@vger.kernel.org
Subject: Re: 2.2.18Pre Lan Performance Rocks!
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On Tue, 31 Oct 2000, Jeff V. Merkey wrote:
> Larry McVoy wrote:

> > Consider your
> > recent context switch claims.  Yes, I believe that you can do the moral
> > equiv of a longjmp() in the kernel in a few cycles, but that isn't a
> > context switch, at least, it isn't the same a context switch in the
> > operating system sense.  

> A context switch in anoperating system context in it's simplest for is
> 
> mov    x, esp
> mov    esp, y

> > processes with virtual memory?
> Yes.

Maybe you could tell us how long the context switch
between processes with virtual memory takes, that
would be a more meaningful comparison...

regards,

Rik
--
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

http://www.conectiva.com/		http://www.surriel.com/

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