Re: 2.2.18Pre Lan Performance Rocks!

Jeff V. Merkey
2000-10-31T22:54:52Z

Rik van Riel wrote:
>
> 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...
>

Rik,

I'll bring down a NetWare 5 server, and snapshot the context switch code
from the NetWare debugger and email to you.

Jeff

> regards,
>
> Rik
> --
> "What you're running that piece of shit Gnome?!?!"
> -- Miguel de Icaza, UKUUG 2000
>
> http://www.conectiva.com/ http://www.surriel.com/