From owner-freebsd-current  Mon Mar 19  7:59:48 2001
Delivered-To: freebsd-current@freebsd.org
Received: from k7.rchrd1.on.wave.home.com (cr66388-a.rchrd1.on.wave.home.com [24.114.165.24])
	by hub.freebsd.org (Postfix) with ESMTP
	id 5699737B719; Mon, 19 Mar 2001 07:59:46 -0800 (PST)
	(envelope-from jburkholder0829@home.com)
Received: from k7.rchrd1.on.wave.home.com (localhost [127.0.0.1])
	by k7.rchrd1.on.wave.home.com (Postfix) with ESMTP
	id A3FA2BA69; Mon, 19 Mar 2001 10:59:45 -0500 (EST)
X-Mailer: exmh version 2.3.1 01/18/2001 with nmh-1.0.4
To: Bruce Evans <bde@zeta.org.au>
Cc: Dag-Erling Smorgrav <des@ofug.org>,
	David Malone <dwmalone@maths.tcd.ie>, current@FreeBSD.ORG,
	jhb@FreeBSD.ORG, jake@FreeBSD.ORG, Ian Dowse <iedowse@maths.tcd.ie>
Subject: Re: Interesting backtrace... 
In-Reply-To: Message from Bruce Evans <bde@zeta.org.au> 
   of "Mon, 19 Mar 2001 15:16:11 +1100." <Pine.BSF.4.21.0103191449460.33565-100000@besplex.bde.org> 
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Date: Mon, 19 Mar 2001 10:59:45 -0500
From: Jake Burkholder <jburkholder0829@home.com>
Message-Id: <20010319155945.A3FA2BA69@k7.rchrd1.on.wave.home.com>
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

> On 19 Mar 2001, Dag-Erling Smorgrav wrote:
> 
> > Bruce Evans <bde@zeta.org.au> writes:
> > > K6-2's aren't really i586's and i586_bzero should never be used for
> > > them (generic bzero is faster),
> > 
> > Wrong. I fixed machdep.c to compute and print the bandwidth correctly:
> 
> Wrong yourself.  The fpu is too slow to use for copying for everything
> except original Pentiums.  The bandwidth test is just done to avoid hard-
> configuring this knowledge.
> 

If this is the case, is there much point in keeping the fpu register
bcopy and bzero at all?


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message