From owner-freebsd-current  Mon Mar 19 12:22: 2 2001
Delivered-To: freebsd-current@freebsd.org
Received: from mailman.zeta.org.au (mailman.zeta.org.au [203.26.10.16])
	by hub.freebsd.org (Postfix) with ESMTP
	id E729F37B71B; Mon, 19 Mar 2001 12:21:57 -0800 (PST)
	(envelope-from bde@zeta.org.au)
Received: from bde.zeta.org.au (bde.zeta.org.au [203.2.228.102])
	by mailman.zeta.org.au (8.9.3/8.8.7) with ESMTP id HAA22147;
	Tue, 20 Mar 2001 07:20:41 +1100
Date: Tue, 20 Mar 2001 07:20:21 +1100 (EST)
From: Bruce Evans <bde@zeta.org.au>
X-Sender: bde@besplex.bde.org
To: Jake Burkholder <jburkholder0829@home.com>
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: <20010319155945.A3FA2BA69@k7.rchrd1.on.wave.home.com>
Message-ID: <Pine.BSF.4.21.0103200714150.39103-100000@besplex.bde.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Mon, 19 Mar 2001, Jake Burkholder wrote:

[bde wrote]
> > 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?

Original Pentiums still exist, and copying through the FPU might be faster
on future i386's.

Bruce


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