From owner-freebsd-hackers@FreeBSD.ORG Thu Oct 12 10:20:42 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 059EB16A403 for ; Thu, 12 Oct 2006 10:20:42 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from multiplay.co.uk (core6.multiplay.co.uk [85.236.96.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5F2F843D4C for ; Thu, 12 Oct 2006 10:20:39 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from vader ([212.135.219.179]) by multiplay.co.uk (multiplay.co.uk [85.236.96.23]) (MDaemon PRO v9.0.1) with ESMTP id md50003082910.msg for ; Thu, 12 Oct 2006 11:20:25 +0100 Message-ID: <01a301c6ede8$061e9160$b3db87d4@multiplay.co.uk> From: "Steven Hartland" To: "Joerg Sonnenberger" , References: <17707.64434.913943.549852@bhuda.mired.org> <200610110934.k9B9YASW081294@lurza.secnetix.de> <20061011133250.GA483@britannica.bec.de> Date: Thu, 12 Oct 2006 11:20:15 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 X-Spam-Processed: multiplay.co.uk, Thu, 12 Oct 2006 11:20:25 +0100 (not processed: message from valid local sender) X-MDRemoteIP: 212.135.219.179 X-Return-Path: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-hackers@freebsd.org X-MDAV-Processed: multiplay.co.uk, Thu, 12 Oct 2006 11:20:26 +0100 Cc: Subject: Re: "tar -c|gzip" faster than "tar -cz"?!? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Oct 2006 10:20:42 -0000 Just a silly one but are you guys using the same version of gzip, would be worth just checking? Joerg Sonnenberger wrote: > On Wed, Oct 11, 2006 at 11:34:10AM +0200, Oliver Fromme wrote: >> If gzip uses its own code instead of libz, that would >> explain the results of my test, of course. So it seems >> that gzip is 30% faster than libz ... quite significant, >> I think. > > No, it isn't. I did benchmarks before importing the NetBSD version > into DragonFly two years ago and gzip was *always* slower. zlib 1.2 > added quite a number of performance improvements as well, so it > shouldn't be the problem. > > I have no idea why it is that slow on FreeBSD -- I don't think the > slightly older version we have in DragonFly 1.6 is the origin. > > The programs I run were from memory as well. ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.