Subject: Re: 1.5_Beta on 3100/M76 and MVII (hare and tortoise syndrome)
To: Anders Magnusson <ragge@ludd.luth.se>
From: Ignatios Souvatzis <ignatios@theory.cs.uni-bonn.de>
List: port-vax
Date: 10/27/2000 12:06:49
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On Thu, Oct 26, 2000 at 08:39:38PM +0200, Anders Magnusson wrote:
> >=20
> > on the MVII, even with a stripped to the bare bones 1.5 kernel. Ethern=
et
> > speeds, for example were 33% faster on the 1.3.2 with generic kernel,
> >
> This is true. It's even faster than that. Something has happened in the
> IP stack that makes it much slower on slow machines between 1.3 and 1.5;
> I posted about this on tech-kern a couple of months ago. I have checked
> all obvious details like device drivers and at last it was only the IP
> stack left.
That was the checksum routine if I recall right. There is a new one needed
to accomodate IPv6, too, and it wasn't VAX-assemblized back then when you
asked. Did nobody fix this?
-is
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