From owner-freebsd-hackers@FreeBSD.ORG Wed Feb 5 13:45:00 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id CE79C4D5 for ; Wed, 5 Feb 2014 13:45:00 +0000 (UTC) Received: from mail-oa0-f49.google.com (mail-oa0-f49.google.com [209.85.219.49]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 8DEE81ABE for ; Wed, 5 Feb 2014 13:44:58 +0000 (UTC) Received: by mail-oa0-f49.google.com with SMTP id i7so426772oag.22 for ; Wed, 05 Feb 2014 05:44:58 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:references:mime-version:in-reply-to:content-type :content-transfer-encoding:message-id:cc:from:subject:date:to; bh=G3KbCxIAESWTk9isYQq9AKwSnbTpx/y1tmy7U30L+Q4=; b=nE+bpkV2O24xGZcfIP6vDSYj+Jq9dPDB0OOLISMer+xJdASlEQUz1stneD42dfqNJO 4BRET6b3mHjb+ZWPyxwHRuhnofpLZq4FFUsoCkuJT9ataGnR38H4ktmxUCvdCZUS+sb1 gl5912IgAIQ+hVoCsi6lQTN7xKBqyslC3ECtKDJTJofFIKXRQft4lgSJ/tnEAbvIvEQb BbNoCpBkis6UenUVYnlcDNcMhTDeQwctoOueld1wh5ckZXJZr8b1yauCsMh9faDvOH3H Ojk1oAykp+IFkNlg9FQbJA327YAOFDu9cPkxgqGR6CgyuqwjfvwWo4LV/oPqwHt73lJc Xjeg== X-Gm-Message-State: ALoCoQlt8KNpD4TsUxX8kuvm52Uuycfw+NyXcDaaBt9psv1XMzfAQ8EspvNXwHDNR+qURlM/dtQm X-Received: by 10.182.29.98 with SMTP id j2mr1358557obh.30.1391607897836; Wed, 05 Feb 2014 05:44:57 -0800 (PST) Received: from [172.21.0.88] (67-198-60-238.static.grandenetworks.net. [67.198.60.238]) by mx.google.com with ESMTPSA id qj10sm160592875oeb.6.2014.02.05.05.44.55 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 05 Feb 2014 05:44:55 -0800 (PST) References: <1391538649.19169.79261269.3C5F49D1@webmail.messagingengine.com> <493DEB39-C4B4-409E-B8B2-B1B11E013754@netgate.com> <60555.1391549390@critter.freebsd.dk> <23B18B88-D888-46B3-99F6-905F86E20FAF@netgate.com> Mime-Version: 1.0 (1.0) In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Message-Id: X-Mailer: iPhone Mail (11B554a) From: Jim Thompson Subject: Re: opteron a1100 arm Date: Wed, 5 Feb 2014 07:44:55 -0600 To: Kevin Bowling Cc: "freebsd-hackers@freebsd.org" X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Feb 2014 13:45:00 -0000 > On Feb 5, 2014, at 1:55, Kevin Bowling wrote: >=20 [...] > Where A1100 wins hands down is memory capacity, and possibly even memory b= andwidth (DDR4 mentioned in the PR..). >=20 > Intel's server Atom chips and even the extremely powerful Xeon E3 are quit= e limited by 32GB RAM (and it's also somewhat expensive vs RDIMMs). =20 I'm not sure what your point is. The C2750, C2550, C2558 & C2758 will all address 64 GB of DDR3 RAM.=20 You'll have to use Registered DIMMs and likely drop back to DDR3 to get to 1= 28GB on the A1100.=20 So I see parity in terms of addressable RAM.=20