Date: Wed, 07 Mar 2012 08:55:02 -0700 From: Ian Lepore <freebsd@damnhippie.dyndns.org> To: Karl Denninger <karl@denninger.net> Cc: freebsd-stable@freebsd.org Subject: Re: Xeon Processors with AES instructions and geli encryption Message-ID: <1331135702.32194.23.camel@revolution.hippie.lan> In-Reply-To: <4F577A24.9030307@denninger.net> References: <4F577A24.9030307@denninger.net>
next in thread | previous in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1331135702.32194.23.camel>