From owner-freebsd-stable@FreeBSD.ORG Thu Apr 15 01:50:50 2010 Return-Path: <owner-freebsd-stable@FreeBSD.ORG> Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B5FB9106566C; Thu, 15 Apr 2010 01:50:50 +0000 (UTC) (envelope-from maho.nakata@gmail.com) Received: from mail-gx0-f214.google.com (mail-gx0-f214.google.com [209.85.217.214]) by mx1.freebsd.org (Postfix) with ESMTP id 40CA08FC14; Thu, 15 Apr 2010 01:50:50 +0000 (UTC) Received: by gxk6 with SMTP id 6so475293gxk.14 for <multiple recipients>; Wed, 14 Apr 2010 18:50:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:date:message-id:to:cc :subject:from:in-reply-to:references:x-mailer:mime-version :content-type:content-transfer-encoding; bh=eM2FrVUoqVW4qFJ7FCETOnzqwOEHPet8HV3cqcS419w=; b=xx74YpHSu4Xyco9XhGdnP/yqt9YsJMXqaTEW1/ehj3JLOE+EKEyOBDG9AidzMAc7aT X6fe3zoPBxYXnyZCdOv0OhMhfeOocmE1FMdxx0WKpD41NiHzpdkH8s8OcJYZjbpaIPNx dDFN7W8Ke5cJed3157QAIzMYyP39Uh4nR1bTI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:date:message-id:to:cc:subject:from:in-reply-to:references :x-mailer:mime-version:content-type:content-transfer-encoding; b=sk3i8Al/S+RkjUeMfr7D+bG5oxje5DsX5IYlYRJzh3YJbSthZ7qi07xhdZIRoqQebW AxCD181qmQUgng4sQJCm//16wE5N5tI78qKRypv9nU6Sg/hGv5LkX9zLFCRaOl0ofq2Q sUxoZWz1jCu0i7VxG6GgRrLrZ1RJetq9UOUZI= Received: by 10.101.164.17 with SMTP id r17mr15172220ano.230.1271296249465; Wed, 14 Apr 2010 18:50:49 -0700 (PDT) Received: from localhost (rikad42.riken.jp [134.160.214.42]) by mx.google.com with ESMTPS id 9sm259373yxf.65.2010.04.14.18.50.46 (version=SSLv3 cipher=RC4-MD5); Wed, 14 Apr 2010 18:50:48 -0700 (PDT) Sender: Maho NAKATA <maho.nakata@gmail.com> Date: Thu, 15 Apr 2010 10:50:44 +0900 (JST) Message-Id: <20100415.105044.276219111671413416.chat95@mac.com> To: amvandemore@gmail.com From: Maho NAKATA <chat95@mac.com> In-Reply-To: <n2o6201873e1004141047t97d89cb0o2688fae1875eae08@mail.gmail.com> References: <m2y6201873e1004140945n855c8800we9baced2e293f270@mail.gmail.com> <4BC5F289.7020408@freebsd.org> <n2o6201873e1004141047t97d89cb0o2688fae1875eae08@mail.gmail.com> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: alc@freebsd.org, alan.l.cox@gmail.com, freebsd-stable@freebsd.org, als@modulus.org, avg@freebsd.org Subject: Re: How to reproduce: Re: Only 70% of theoretical peak performance on FreeBSD 8/amd64, Corei7 920 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable> List-Post: <mailto:freebsd-stable@freebsd.org> List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, <mailto:freebsd-stable-request@freebsd.org?subject=subscribe> X-List-Received-Date: Thu, 15 Apr 2010 01:50:50 -0000 Hi Adam, From: Adam Vande More <amvandemore@gmail.com> Subject: Re: How to reproduce: Re: Only 70% of theoretical peak performance on FreeBSD 8/amd64, Corei7 920 Date: Wed, 14 Apr 2010 12:47:31 -0500 > Since this is a full fledged desktop environment, 90% utilization seems > pretty good. No, I don't think so. Even on Ubuntu, mine is running on a full desktop environment, GotoBLAS's performance is about 95% using dgemm. dgemm on Linux is lot more stabler than FreeBSD and clearly faster. on Ubuntu $ ./dgemm n: 3000 time : 51.180000 or 12.795519 Mflops : 42216.341930 n: 3100 time : 56.280000 or 14.261719 Mflops : 41791.049205 n: 3200 time : 61.350000 or 15.631380 Mflops : 41939.023080 n: 3300 time : 67.790000 or 17.247202 Mflops : 41685.474166 n: 3400 time : 73.800000 or 18.471321 Mflops : 42569.300032 n: 3500 time : 81.480000 or 20.781936 Mflops : 41273.585044 n: 3600 time : 88.170000 or 22.816965 Mflops : 40907.246233 n: 3700 time : 95.210000 or 23.864101 Mflops : 42462.684969 n: 3800 thanks -- Nakata Maho http://accc.riken.jp/maho/ , http://ja.openoffice.org/ Nakata Maho's PGP public keys: http://accc.riken.jp/maho/maho.pgp.txt