From owner-freebsd-net@FreeBSD.ORG Mon Mar 15 16:48:25 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EEA5E16A4CE; Mon, 15 Mar 2004 16:48:25 -0800 (PST) Received: from fep01-mail.bloor.is.net.cable.rogers.com (fep01-mail.bloor.is.net.cable.rogers.com [66.185.86.71]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5514743D1F; Mon, 15 Mar 2004 16:48:25 -0800 (PST) (envelope-from mikej@rogers.com) Received: from [192.168.0.1] ([63.139.3.63]) by fep01-mail.bloor.is.net.cable.rogers.comESMTP <20040316004759.TOWO230350.fep01-mail.bloor.is.net.cable.rogers.com@[192.168.0.1]>; Mon, 15 Mar 2004 19:47:59 -0500 Received: from 192.168.0.200 (SquirrelMail authenticated user mikej) by 192.168.0.1 with HTTP; Mon, 15 Mar 2004 19:48:21 -0500 (EST) Message-ID: <2697.192.168.0.200.1079398101.squirrel@192.168.0.1> In-Reply-To: <20040316004046.GA74287@router.laiers.local> References: <2650.192.168.0.200.1079393908.squirrel@192.168.0.1> <20040316000153.GA73860@router.laiers.local> <2662.192.168.0.200.1079396323.squirrel@192.168.0.1> <20040316004046.GA74287@router.laiers.local> Date: Mon, 15 Mar 2004 19:48:21 -0500 (EST) From: "Mike Jakubik" To: "Max Laier" User-Agent: SquirrelMail/1.4.2 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Priority: 3 Importance: Normal X-Authentication-Info: Submitted using SMTP AUTH LOGIN at fep01-mail.bloor.is.net.cable.rogers.com from [63.139.3.63] using ID at Mon, 15 Mar 2004 19:47:59 -0500 cc: net@freebsd.org Subject: Re: Byte counters reset at ~4GB X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Mar 2004 00:48:26 -0000 Max Laier said: > Sure, you measure it ;) ... no, of course it is more expensive to update a > 64bit counter on a 32bit arch, but the key (once again) is descision: > While > (almost) all of the pf counters are 64bit types you can configure it not > to > use the loginterface or whatsoever more. So it's up to you: You need 64bit > counters? You shall have them! You need *fast* 64bit counters? AMD sells > nice processors (they say)! ... you get the idea. Got it. In just curious though... realistically, how big of an impact on performance is this on a modern CPU? Is it not simply the original 32bit calculation x 2?