From owner-freebsd-stable@FreeBSD.ORG Wed Mar 7 15:59:17 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D0C48106564A for ; Wed, 7 Mar 2012 15:59:17 +0000 (UTC) (envelope-from karl@denninger.net) Received: from FS.denninger.net (wsip-70-169-168-7.pn.at.cox.net [70.169.168.7]) by mx1.freebsd.org (Postfix) with ESMTP id A26ED8FC0C for ; Wed, 7 Mar 2012 15:59:17 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by FS.denninger.net (8.14.4/8.13.1) with ESMTP id q27FxHNs067766 for ; Wed, 7 Mar 2012 09:59:17 -0600 (CST) (envelope-from karl@denninger.net) Received: from [127.0.0.1] [192.168.1.40] by Spamblock-sys (LOCAL); Wed Mar 7 09:59:17 2012 Message-ID: <4F5785D0.4010708@denninger.net> Date: Wed, 07 Mar 2012 09:59:12 -0600 From: Karl Denninger User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 MIME-Version: 1.0 To: Ian Lepore References: <4F577A24.9030307@denninger.net> <1331135702.32194.23.camel@revolution.hippie.lan> In-Reply-To: <1331135702.32194.23.camel@revolution.hippie.lan> X-Enigmail-Version: 1.3.5 X-Antivirus: avast! (VPS 120307-0, 03/07/2012), Outbound message X-Antivirus-Status: Clean Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-stable@freebsd.org Subject: Re: Xeon Processors with AES instructions and geli encryption X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Mar 2012 15:59:18 -0000 Thanks; the machines in question are on 8.2, so this sounds pretty good. On 3/7/2012 9:55 AM, Ian Lepore wrote: > On Wed, 2012-03-07 at 09:09 -0600, Karl Denninger wrote: >> Does the crypto(9) framework recognize and use these instructions? >> Looks like the Windmere-series Xeons will drop into my system boards; I >> gain two cores per CPU at the same time, so I'll go from an 8-way SMP >> system to a 12-way one. >> >> I am considering spending the money to upgrade a couple of servers here >> that run geli-encrypted disks, as during heavy I/O they spend a LOT of >> their CPU time on the disk encryption. The differences I see in the use >> of TrueCrypt on Windows machines that have AES instructions .vs. those >> that do not are very significant and I'm curious if this carries over to >> FreeBSD. >> >> Thanks in advance! >> > It looks like it does as of 8.2 when the aesni driver was added. > > -- Ian > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > > %SPAMBLOCK-SYS: Matched [@freebsd.org+], message ok -- -- Karl Denninger /The Market Ticker ®/ Cuda Systems LLC