From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] LUKS & TrueCrypt - Speed Test
Date: Fri, 29 Jul 2011 07:20:18 +0200 [thread overview]
Message-ID: <20110729052018.GA10049@tansi.org> (raw)
In-Reply-To: <4E31F7C2.4050305@gmail.com>
Hi Jorge,
you can see that running the test several times gives you some
appreciation for the variation in the measurement. Anyways,
this is what I would expect, i.e. TrueCrypt having a little
bit lower speed due to the userspace interface.
Thanks for posting these!
Arno
On Thu, Jul 28, 2011 at 07:58:58PM -0400, Jorge F?bregas wrote:
> On 07/27/2011 07:18 PM, Jorge F?bregas wrote:
> > I decided to perform some tests on my Fedora 14 box. This is not a
> > pro benchmark so be warned :)
>
> Hi everyone,
>
> I performed the tests again (twice for each test) but this time I
> formatted the LUKS partition using:
>
> cryptsetup luksFormat -c aes-xts-plain -s 256 -h ripemd160 /dev/sdd1
>
> ...so that I was more _similar_ to the TrueCrypt setup. Also, between
> each test I run:
>
> echo 3 > /proc/sys/vm/drop_caches
>
> Here are the new results for the same payload (143 GB of data):
>
> ### TRUECRYPT ####
>
> 1st round:
> real 105m39.547s
> user 28m17.667s
> sys 42m25.300s
>
>
> 2nd round:
> real 105m40.271s
> user 28m21.893s
> sys 42m19.672s
>
>
> ### LUKS ###
>
> 1st round:
> real 104m33.901s
> user 27m41.362s
> sys 41m0.339s
>
>
> 2nd round:
> real 104m44.913s
> user 27m42.364s
> sys 40m57.655s
>
>
> Now as you may see, LUKS is roughly around 1 minute ahead (sytem-time)
> compared to TrueCrypt. It appears the change in cipher operation mode
> definitely affected the results (thing I should have done on the first
> place).
>
> Cheers and thank your for the feedback!
> Jorge
> _______________________________________________
> dm-crypt mailing list
> dm-crypt@saout.de
> http://www.saout.de/mailman/listinfo/dm-crypt
>
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name
GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F
----
Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans
If it's in the news, don't worry about it. The very definition of
"news" is "something that hardly ever happens." -- Bruce Schneier
next prev parent reply other threads:[~2011-07-29 5:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 23:18 [dm-crypt] LUKS & TrueCrypt - Speed Test Jorge Fábregas
2011-07-28 5:11 ` Arno Wagner
2011-07-28 13:07 ` Jorge Fábregas
2011-07-28 7:40 ` Milan Broz
2011-07-28 13:20 ` Jorge Fábregas
2011-07-28 23:58 ` Jorge Fábregas
2011-07-29 5:20 ` Arno Wagner [this message]
2011-07-29 9:52 ` Roscoe
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