Xeon Processors with AES instructions and geli encryption

Karl Denninger karl at denninger.net
Wed Mar 7 15:59:18 UTC 2012


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
>
>
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-- 
-- Karl Denninger
/The Market Ticker ®/ <http://market-ticker.org>
Cuda Systems LLC


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