From owner-freebsd-hackers  Thu Oct 23 09:13:07 1997
Return-Path: <owner-freebsd-hackers>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.7/8.8.7) id JAA07028
          for hackers-outgoing; Thu, 23 Oct 1997 09:13:07 -0700 (PDT)
          (envelope-from owner-freebsd-hackers)
Received: from horst.bfd.com (horst.bfd.com [204.160.242.10])
          by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id JAA07021
          for <hackers@FreeBSD.ORG>; Thu, 23 Oct 1997 09:13:04 -0700 (PDT)
          (envelope-from ejs@bfd.com)
Received: from harlie.bfd.com (bastion.bfd.com [204.160.242.14]) by horst.bfd.com (8.8.5/8.7.3) with SMTP id JAA04248; Thu, 23 Oct 1997 09:12:37 -0700 (PDT)
Date: Thu, 23 Oct 1997 09:12:37 -0700 (PDT)
From: "Eric J. Schwertfeger" <ejs@bfd.com>
To: "Ron G. Minnich" <rminnich@Sarnoff.COM>
cc: Steve Sims <SimsS@IBM.Net>, "'hackers@freebsd.org'" <hackers@FreeBSD.ORG>
Subject: Re: SMP P-Pro MoBo - Recommendations?
In-Reply-To: <Pine.SUN.3.91.971023062813.26349B-100000@terra>
Message-ID: <Pine.BSF.3.95.971023091129.26953D-100000@harlie.bfd.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk



On Thu, 23 Oct 1997, Ron G. Minnich wrote:

> for low cost i like the tyan, but it is a shared cache. Works well on 
> clusters, where shared cache is mostly a win.
> ron

On the PPro boards, the L2 cache is on chip, so can't be shared. This was
an issue on Pentium motherboards, though, and the biggest reason the
PPro's do better in SMP environments.