From owner-freebsd-hackers@FreeBSD.ORG Tue Dec 30 02:14:10 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8CA2A106564A for ; Tue, 30 Dec 2008 02:14:10 +0000 (UTC) (envelope-from toasty@dragondata.com) Received: from tokyo01.jp.mail.your.org (tokyo01.jp.mail.your.org [204.9.54.5]) by mx1.freebsd.org (Postfix) with ESMTP id 4E98C8FC19 for ; Tue, 30 Dec 2008 02:14:10 +0000 (UTC) (envelope-from toasty@dragondata.com) Received: from tokyo01.jp.mail.your.org (localhost.your.org [127.0.0.1]) by tokyo01.jp.mail.your.org (Postfix) with ESMTP id 95E492AD5948; Tue, 30 Dec 2008 01:56:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=dragondata.com; h=cc :message-id:from:to:in-reply-to:content-type :content-transfer-encoding:mime-version:subject:date:references; s=selector1; bh=yZ4F9KJwFCqNU+fITlthGtsIwIE=; b=DH635XT34rd33zq wDYSbkwQtWt7HhmFlpA8Qzk0a3e0WTYFeLWJcPTrIybsidjDorooSzDMSJbYCpKj //5kDEymSU9coEodoQ+/nYfHdhAJrtZe18Ujy9vPp4eLANehYkhripUCplwj3e51 qWinp76YDNmWXJTv5xdyWX5UMXRs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=dragondata.com; h=cc:message-id :from:to:in-reply-to:content-type:content-transfer-encoding :mime-version:subject:date:references; q=dns; s=selector1; b=wjU wDxbJ1kkWo6SQLXUFRgcX9wW3iJtH4KABNi4pKc/wpu+n0PUns7grJjPaCpaKdHz QlDFf9W4xuGkfFERsAk0RFWrp/OkVlwf4aZSSzd+DZSARfPPogceshi3+ldpzn40 7BKqY9eqxcneUiZbCXh8qWS9AM7feOr8uKwn3mpA= Received: from mail.your.org (server3-a.your.org [64.202.112.67]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by tokyo01.jp.mail.your.org (Postfix) with ESMTPS id 6B6D12AD58EF; Tue, 30 Dec 2008 01:56:10 +0000 (UTC) Received: from [IPv6:2002:451f:630b:1::1] (unknown [IPv6:2002:451f:630b:1::1]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mail.your.org (Postfix) with ESMTPSA id BE532A0A414; Tue, 30 Dec 2008 01:56:56 +0000 (UTC) Message-Id: From: Kevin Day To: Christian Weisgerber In-Reply-To: <20081230004747.GA55542@lorvorc.mips.inka.de> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Date: Mon, 29 Dec 2008 19:56:04 -0600 References: <20081230004747.GA55542@lorvorc.mips.inka.de> X-Mailer: Apple Mail (2.930.3) X-Mailman-Approved-At: Tue, 30 Dec 2008 02:28:20 +0000 Cc: freebsd-hackers@freebsd.org Subject: Re: lzo2 shows insane speed gap 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: Tue, 30 Dec 2008 02:14:10 -0000 > > > Oh, and everybody is invited to run > > $ cd /usr/ports/archivers/lzo2 && make > > and check for themselves. > > I've used lzo2 quite a bit in the past and never saw this, so I thought I'd try this on a few boxes we have... Output is from "make fetch ; time make" 8-core Opteron 2350 2.0ghz, 64GB RAM, FreeBSD 7.1-PRERELEASE (just before RC1 was tagged), amd64 41.464u 20.671s 1:02.04 100.1% 2430+1556k 0+0io 377pf+0w 4-core Opteron 280 2.4ghz, 4GB RAM, FreeBSD 7.0-RELEASE-p6, amd64 40.907u 18.638s 1:03.08 94.3% 2339+603k 182+91io 681pf+0w Dual Athlon MP 2100+ 1.73ghz, 1GB RAM, FreeBSD 6.3-RELEASE, i386 82.812u 44.963s 2:06.89 100.6% 959+37724k 32+82io 46pf+0w Dual P3 850mhz, 1GB RAM, FreeBSD 7.0-RELEASE-p4, i386 208.494u 84.935s 8:07.23 60.2% 2270+990k 17+87io 60pf+0w 4-core Opteron 2218 2.6ghz, 16GB RAM, FreeBSD 7.0-RELEASE-p4, amd64 38.893u 16.623s 0:55.53 99.9% 2290+591k 96+99io 48pf+0w Dual Xeon 3.06GHz, 4GB RAM, FreeBSD 7.0-RELEASE-p4, i386 60.910u 24.667s 1:22.54 103.6% 2143+988k 146+134io 105pf+0w Dual P3 866mhz, 2GB RAM, FreeBSD 7.0-RELEASE-p4, i386 169.135u 58.198s 3:52.71 97.6% 2443+1002k 160+99io 368pf+0w 2-core Core 2 Duo 2.33ghz, 2GB RAM, Mac OS X 10.5.6, i386 48.155u 29.896s 1:25.14 91.6% 0+0k 30+222io 1845pf+0w 4-core Xeon 2.66ghz, 6GB RAM, Mac OS X 10.5.6, i386 real 1m17.024s user 0m44.373s sys 0m34.249s None of these boxes were idle, so relative times are pretty useless, but i'm not seeing anything on the order of tens of minutes or hours. Is the source .tar.gz identical on all your systems? -- Kevin