From owner-freebsd-questions@FreeBSD.ORG Wed Feb 7 23:04:28 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9B40C16A402 for ; Wed, 7 Feb 2007 23:04:28 +0000 (UTC) (envelope-from drumslayer2@yahoo.com) Received: from web34510.mail.mud.yahoo.com (web34510.mail.mud.yahoo.com [66.163.178.176]) by mx1.freebsd.org (Postfix) with SMTP id 4528013C4AA for ; Wed, 7 Feb 2007 23:04:28 +0000 (UTC) (envelope-from drumslayer2@yahoo.com) Received: (qmail 71946 invoked by uid 60001); 7 Feb 2007 23:04:27 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=X-YMail-OSG:Received:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=SSP/QD6zREBeXU8GMNkw4ND4lvwW+5eb9/zKgGGDdtFH9Rk4zvdAfFzcawUAXWxGRCsBIRn5PPyQt1fBS4d68sYJRlCtbWA60IS2YU4V/FLkW1tzbs2YiDuZHATE/gstMqrf7lKBJ5ndVs2il9SQGoL0/o29rmQUMenfpe5EMvE=; X-YMail-OSG: .wtROqYVM1ltCxvYuWHC6Qam242pkhcfwgYJrPf4BlQal8byV7KFopssAuwhRiHs8gHgCe3ueD1QUSrNvRt8QwNxKB2FNo_Dj07lUr_V9GQ9bfZ299.026YkLWueFveXfA_NMFzBXEOBK6aNgMkoXAXgUegDzXZCmAeb5tEu4oteaJIQqsJTGKRg4.nW Received: from [67.112.21.26] by web34510.mail.mud.yahoo.com via HTTP; Wed, 07 Feb 2007 15:04:27 PST Date: Wed, 7 Feb 2007 15:04:27 -0800 (PST) From: Nicole Harrington To: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Message-ID: <676973.69182.qm@web34510.mail.mud.yahoo.com> Cc: freebsd-amd64@freebsd.org Subject: Dual Core Or Dual CPU - What's the real difference in performance? 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: Wed, 07 Feb 2007 23:04:28 -0000 Hello all, I have been building/using servers that were dual CPU AMD Opteron systems for some time. (usually 246 Opteron cpu's) Now of course the world is shifting to Dual Core. Using FreeBSD, what is really the difference, besides power and ability to shove in more memory, between having the two seperate CPUS's? What if I did 2, Dual Core cpu's? Would the SMP overhead and sharing to a [Giant Locked] disk and or network erase any benefits? Thanks! Nicole The Large Print Giveth And The Small Print Taketh Away -- Anon