From owner-freebsd-hackers Tue Dec 16 01:23:56 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id BAA10629 for hackers-outgoing; Tue, 16 Dec 1997 01:23:56 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from freebie.lemis.com (gregl1.lnk.telstra.net [139.130.136.133]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id BAA10592 for ; Tue, 16 Dec 1997 01:23:42 -0800 (PST) (envelope-from grog@lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.8.8/8.8.7) id TAA18346; Tue, 16 Dec 1997 19:53:05 +1030 (CST) (envelope-from grog) Message-ID: <19971216195304.56154@lemis.com> Date: Tue, 16 Dec 1997 19:53:04 +1030 From: Greg Lehey To: John Kelly Cc: Mike Smith , FreeBSD Hackers Subject: Re: 3com 3c509 card References: <199712160840.TAA01580@word.smith.net.au> <34974fcb.31632460@mail.cetlink.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.84e In-Reply-To: <34974fcb.31632460@mail.cetlink.net>; from John Kelly on Tue, Dec 16, 1997 at 09:57:47AM +0000 Organisation: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 WWW-Home-Page: http://www.lemis.com/~grog Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Tue, Dec 16, 1997 at 09:57:47AM +0000, John Kelly wrote: > On Tue, 16 Dec 1997 19:10:50 +1030, Mike Smith > wrote: > >>> I replaced an NE2000 clone with a SMC Ultra 16, thinking shared memory >>> would consume far less CPU than PIO with an NE2000. But it seems to >>> be about the same. >> >> About half. Please don't confuse anecdotal evidence with measured >> results. >> > > I tested with an FTP transfer and consumed about 45% CPU in both > cases. That's a lot of CPU. What kind of CPU is it? How much user time did it use? Greg