From owner-freebsd-performance@FreeBSD.ORG Thu Sep 16 16:20:07 2004 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 74F8C16A4CF for ; Thu, 16 Sep 2004 16:20:07 +0000 (GMT) Received: from out010.verizon.net (out010pub.verizon.net [206.46.170.133]) by mx1.FreeBSD.org (Postfix) with ESMTP id 089A243D5C for ; Thu, 16 Sep 2004 16:20:07 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from [192.168.1.3] ([68.160.246.51]) by out010.verizon.net (InterMail vM.5.01.06.06 201-253-122-130-106-20030910) with ESMTP id <20040916162006.FZMN23744.out010.verizon.net@[192.168.1.3]>; Thu, 16 Sep 2004 11:20:06 -0500 Message-ID: <4149BD32.9010905@mac.com> Date: Thu, 16 Sep 2004 12:20:02 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Hall, Charles V" References: <1188E2959811D511B35600508B63A90B0B25489F@CANXSPN2.can.navistar.com> In-Reply-To: <1188E2959811D511B35600508B63A90B0B25489F@CANXSPN2.can.navistar.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH at out010.verizon.net from [68.160.246.51] at Thu, 16 Sep 2004 11:20:06 -0500 cc: "'freebsd-performance@freebsd.org'" Subject: Re: Compression performance X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Sep 2004 16:20:07 -0000 Hall, Charles V wrote: > I'm running 4.10 prod on an Intel P4 and I want to maximize compression > (i.e. /usr/bin/compress) performance--this seems to be my current > bottleneck. > > What steps can I take to accomplish this? (ZLIB, FPU support, anything > else?) Try using 'gzip --fast' instead of 'compress', assuming you are concerned with minimizing the CPU time required to compress files. These types of compression algorithms use integer operations almost exclusively; the FPU isn't used significantly. -- -Chuck