From owner-freebsd-questions@FreeBSD.ORG Thu Aug 30 23:00:01 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3426016A421 for ; Thu, 30 Aug 2007 23:00:01 +0000 (UTC) (envelope-from marufos@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.181]) by mx1.freebsd.org (Postfix) with ESMTP id 07D6A13C442 for ; Thu, 30 Aug 2007 23:00:00 +0000 (UTC) (envelope-from marufos@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so756868waf for ; Thu, 30 Aug 2007 16:00:00 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=MNgW2gLI7+VunYsnraVltS8bmNwiy4v80JA53A5n2Xb4cvY/wLzWZ/ln5ibQjdMCLAEOYUgeRyBx0l0TjgzI0ZwobRqW9Syov3St5z+Amv5YFzBQ9wkThI3in2RRDaVvQHcJqSrzpqL3HrLp6C9hBAgfJHg4BzBliP0T23Nzr+8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=gncFvlFwNu2ySTDKnvvxC3Xca4SKHUv3VMWOGjMHQPE5UQTajPL/HNn8iqVhRidUd6JUIrM5L10j7VhXFrue/K4URovspQxOOR0gtaCrP+GnKxwpM09tJyvY9WXW8kO51MfGfj4XBix9VDUS2Ns4mv80pkqtfvehOIoSuRho8Sw= Received: by 10.114.183.1 with SMTP id g1mr28323waf.1188514799968; Thu, 30 Aug 2007 15:59:59 -0700 (PDT) Received: by 10.114.125.10 with HTTP; Thu, 30 Aug 2007 15:59:59 -0700 (PDT) Message-ID: <8d954c40708301559k3a2fe847s38097a34d9be8307@mail.gmail.com> Date: Thu, 30 Aug 2007 17:59:59 -0500 From: "Emanuel Marufo" To: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: Tunning Freebsd for clustering X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 30 Aug 2007 23:00:01 -0000 Hi everybody: I recently work with mpi on FBSD 6.2 and Centos 4.4 on the same hardware. 2 Woodcrest dual core 3Ghz 2 GB RAM. 150 GB SATA disc. etc, etc. My tests, about network and hard disk transfers, say Centos is faster than FBSD. My questions are, how can tunning FBSD to upgrade the performance for clustering?. And why Centos do have better performance?. NOTE: The two tests on the fbsd was better are floating point operations and recursitivity, i was impresed with a better managing of it.