From owner-freebsd-smp Mon Jun 29 09:14:41 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id JAA12901 for freebsd-smp-outgoing; Mon, 29 Jun 1998 09:14:41 -0700 (PDT) (envelope-from owner-freebsd-smp@FreeBSD.ORG) Received: from bsd.synx.com (rt.synx.com [194.167.81.239]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id JAA12890 for ; Mon, 29 Jun 1998 09:14:32 -0700 (PDT) (envelope-from <@rn.synx.com:root@synx.com>) Received: from s3.synx.com (s3 [192.1.1.247]) by bsd.synx.com (8.6.12/8.6.12) with SMTP id RAA09419; Mon, 29 Jun 1998 17:14:24 +0100 Received: from rn by s3.synx.com id aa03736; 29 Jun 98 18:02 BST Date: Mon, 29 Jun 1998 18:14:13 +0200 (CEST) From: Remy NONNENMACHER Reply-To: remy@synx.com Subject: Re: PPro vs PII To: petrilli@dworkin.amber.org cc: freebsd@atipa.com, rotel@indigo.ie, freebsd-smp@FreeBSD.ORG In-Reply-To: MIME-Version: 1.0 Content-Type: TEXT/plain; CHARSET=US-ASCII Message-ID: <9806291802.aa03736@s3.synx.com> Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On 29 Jun, Christopher G. Petrilli wrote: > On Sun, 28 Jun 1998, Atipa wrote: > >> The P2 will smoke it. Better yet, go up to 350 or 400MHz, then you can >> utilize 100MHz system bus. > > This is a red herring... the system bus was a big restriction back when > the cache was running at bus speed---any increment made a huge > difference, but with the current PII architecture, the bus speed has > long since ceased to be a problem. How many devices do you know that > can saturate a PCI bus constitently? Don't use this as a reasoning. > .... > model of execution (80-90% cache hit rate). Remember, that you can get > PPros with 512K or 1Mb of L2 cache that is running 1:1 with the chip, > rather than 2:1. > That's what say Tom's hardware guide: 100Mhz bus give a 3 to 10% increase. (Now, he uses Win...... benchmarks and it's difficult to figure out what is really tested.) Let's stop the pro/cons war about P2/Pro. I propose that those interested grab the rc5des client on www.distributed.net and post the result of -benchmark, along with processor type and speed. This will close the debate quickly. RN. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message