From chemistry-request $#at#$ ccl.net Fri Jul 1 02:00:52 2005 Received: from smtp1.Stanford.EDU (smtp1.Stanford.EDU [171.67.16.123]) by server.ccl.net (8.13.1/8.13.1) with ESMTP id j6160l0v025767 for ; Fri, 1 Jul 2005 02:00:47 -0400 Received: from cardinal3.Stanford.EDU (cardinal3.Stanford.EDU [171.64.15.251]) by smtp1.Stanford.EDU (8.12.11/8.12.11) with ESMTP id j6160g5G021542; Thu, 30 Jun 2005 23:00:42 -0700 Date: Thu, 30 Jun 2005 23:00:42 -0700 (PDT) From: "S.I.Gorelsky" To: chemistry -()- ccl.net cc: ed.gasiorowski -()- amd.com, Subject: dual-core Opteron 275 performance In-Reply-To: <20050629012225.44422.qmail -()- web51802.mail.yahoo.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=failed version=3.0.4 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on server.ccl.net To add to the discussion about the performance of new dual-core processors for computational chemistry applications, the comparison of Intel and AMD dual-CPU based computers is shown at: http://www.sg-chem.net/cluster/ As can be seen from the graph, the Gaussian 03 execution speed (test job 397) on dual-core dual-CPU Opteron 275 workstation is faster by a factor of 1.95 as compared to the dual-CPU Xeon 3.2GHz 800MHz FSB machine. ----------------- I would like to thank Ed Gasiorowski (AMD) and Mike Fay (Colfax International) for their support. Serge Gorelsky ---------------------------------------------------------------- Dr S.I. Gorelsky, Department of Chemistry, Stanford University Box 155, 333 Campus Drive, Stanford, CA 94305-5080 USA Phone: (650) 723-0041. Fax: (650) 723-0852. ----------------------------------------------------------------