From owner-freebsd-current@FreeBSD.ORG Fri Oct 8 18:31:12 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C09C716A4CE; Fri, 8 Oct 2004 18:31:12 +0000 (GMT) Received: from ox.eicat.ca (ox.eicat.ca [66.96.30.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8641B43D2D; Fri, 8 Oct 2004 18:31:12 +0000 (GMT) (envelope-from dgilbert@daveg.ca) Received: by ox.eicat.ca (Postfix, from userid 66) id 05249C566; Fri, 8 Oct 2004 14:31:12 -0400 (EDT) Received: by canoe.dclg.ca (Postfix, from userid 101) id CE79F1D2282; Fri, 8 Oct 2004 14:31:06 -0400 (EDT) From: David Gilbert MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16742.56554.781753.73352@canoe.dclg.ca> Date: Fri, 8 Oct 2004 14:31:06 -0400 To: Mike Tancsa In-Reply-To: <6.1.2.0.0.20041008125923.100dd108@64.7.153.2> References: <16742.40802.187425.402461@canoe.dclg.ca> <6.1.2.0.0.20041008120745.106ae7b0@64.7.153.2> <16742.48579.673252.78665@canoe.dclg.ca> <6.1.2.0.0.20041008125923.100dd108@64.7.153.2> X-Mailer: VM 7.17 under 21.5 (beta17) "chayote" (+CVS-20040321) XEmacs Lucid cc: freebsd-current@freebsd.org cc: freebsd-stable@freebsd.org cc: David Gilbert Subject: Re: Packet passing performance study on exotic hardware. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Oct 2004 18:31:12 -0000 >>>>> "Mike" == Mike Tancsa writes: Mike> At 12:18 PM 08/10/2004, David Gilbert wrote: >> Idle_poll is default 1, I'm not positive we tested 0. I don't >> think there is much idle time here. Mike> Actually, on RELENG_5, I think the default is now zero. checked, tho. We did set it to 1 in sysctl.conf. Mike> With a releng_5 BETA7 box in between 2 other hosts, with Mike> idle_poll set to the default on zero, using Mike> /usr/local/netperf/netperf -l 30 -H 10.10.10.1 -i 10,2 -I 99,10 Mike> -t UDP_STREAM -- -m 1000 -s 32768 32768 Mike> I see about 483Mb. If I set it to 1, Mike> I get just over 500Mb. This was with an HZ of 1000 This is well below the doubling I want to see, but I will add this to the test suite. Dave. -- ============================================================================ |David Gilbert, Independent Contractor. | Two things can only be | |Mail: dave@daveg.ca | equal if and only if they | |http://daveg.ca | are precisely opposite. | =========================================================GLO================