From owner-freebsd-smp Mon Oct 28 17:06:41 1996 Return-Path: owner-smp Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id RAA28602 for smp-outgoing; Mon, 28 Oct 1996 17:06:41 -0800 (PST) Received: from horst.bfd.com (horst.bfd.com [204.160.242.10]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id RAA28558 for ; Mon, 28 Oct 1996 17:06:39 -0800 (PST) Received: from harlie (bastion.bfd.com [204.160.242.2]) by horst.bfd.com (8.7.6/8.7.3) with SMTP id RAA10132; Mon, 28 Oct 1996 17:05:08 -0800 (PST) Date: Mon, 28 Oct 1996 17:05:08 -0800 (PST) From: "Eric J. Schwertfeger" X-Sender: ejs@harlie To: Wayne Scott cc: smp@freebsd.org Subject: Re: Recommendations... In-Reply-To: <199610290049.QAA05186@pdxlx008.intel.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-smp@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Mon, 28 Oct 1996, Wayne Scott wrote: > Be careful. > > Intel told you nothing. I told you what my machine was able to get. > I have never run your benchmarks on a Natoma system. > > My numbers showed a 70+ MB/s using REP MOVs on an Orion motherboard > with 8 SIMMs. The server version of orion will interleave 4 banks of memory, and benchmarks in the same ballpark as a good 430HX chipset with a single bank of EDO RAM. (for memory speed only). It should have a strong advantage, but doesn't show it. It's the Natoma, and Orion with fewer banks that are in question. Why do the P6 chipsets have lower memory throughput when on equal footing with a good P5 chipset?