Date: Wed, 07 Mar 2012 09:59:12 -0600 From: Karl Denninger <karl@denninger.net> To: Ian Lepore <freebsd@damnhippie.dyndns.org> Cc: freebsd-stable@freebsd.org Subject: Re: Xeon Processors with AES instructions and geli encryption Message-ID: <4F5785D0.4010708@denninger.net> In-Reply-To: <1331135702.32194.23.camel@revolution.hippie.lan> References: <4F577A24.9030307@denninger.net> <1331135702.32194.23.camel@revolution.hippie.lan>
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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 ®/ <http://market-ticker.org>; Cuda Systems LLC
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