From owner-freebsd-questions@FreeBSD.ORG Fri Sep 12 13:33:46 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8FEE016A4BF for ; Fri, 12 Sep 2003 13:33:46 -0700 (PDT) Received: from smtpout.mac.com (smtpout.mac.com [17.250.248.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id D5A5943FE9 for ; Fri, 12 Sep 2003 13:33:45 -0700 (PDT) (envelope-from cswiger@mac.com) Received: from mac.com (smtpin07-en2 [10.13.10.152]) by smtpout.mac.com (Xserve/MantshX 2.0) with ESMTP id h8CKXjkR011920; Fri, 12 Sep 2003 13:33:45 -0700 (PDT) Received: from mac.com (dpvc-68-161-244-25.ny325.east.verizon.net [68.161.244.25]) (authenticated bits=0) by mac.com (Xserve/8.12.9/MantshX 2.0) with ESMTP id h8CKXh21014765; Fri, 12 Sep 2003 13:33:44 -0700 (PDT) Date: Fri, 12 Sep 2003 16:39:17 -0400 Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) To: "Steven G. Kargl" From: Charles Swiger In-Reply-To: <200309122019.h8CKJXM1005763@troutmask.apl.washington.edu> Message-Id: <2DBB9BDD-E561-11D7-A63B-003065ABFD92@mac.com> Content-Transfer-Encoding: 7bit X-Mailer: Apple Mail (2.552) cc: freebsd-questions@freebsd.org Subject: Re: max physical memory per process? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Sep 2003 20:33:46 -0000 On Friday, September 12, 2003, at 04:19 PM, Steven G. Kargl wrote: > Assuming that a user has the proper resource limits > set and assuming that the system has sufficient physical > memory, what is the maximum amount of physical memory > that a process can allocate? In particular, if I have > a Tyan K8W (dual opteron platform) with 16 GB of memory, > can my numerical simulation allocate up 15+ GB? If FreeBSD takes advantage of the Opteron as a 64-bit (LP) platform, yes. Otherwise, you're probably limited to around 3 GB. -- -Chuck