From: Jussi Kivilinna <jussi.kivilinna@iki.fi>
To: Milan Broz <gmazyland@gmail.com>
Cc: Stephan Mueller <smueller@chronox.de>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: Kernel crypto API: cryptoperf performance measurement
Date: Thu, 21 Aug 2014 10:38:03 +0300 [thread overview]
Message-ID: <53F5A1DB.8070400@iki.fi> (raw)
In-Reply-To: <53F4E571.7030003@gmail.com>
On 2014-08-20 21:14, Milan Broz wrote:
> On 08/20/2014 03:25 PM, Jussi Kivilinna wrote:
>>> One to four GB per second for XTS? 12 GB per second for AES CBC? Somehow that
>>> does not sound right.
>>
>> Agreed, those do not look correct... I wonder what happened there. On
>> new run, I got more sane results:
>
> Which cryptsetup version are you using?
>
> There was a bug in that test on fast machines (fixed in 1.6.3, I hope :)
I had version 1.6.1 at hand.
>
> But anyway, it is not intended as rigorous speed test,
> it was intended for comparison of ciphers speed on particular machine.
>
True, but it's nice easy test when compared to parsing results from
tcrypt speed tests.
-Jussi
> Test basically tries to encrypt 1MB block (or multiple of this
> if machine is too fast). All it runs through kernel userspace crypto API
> interface.
> (Real FDE is always slower because it runs over 512bytes blocks.)
>
> Milan
>
prev parent reply other threads:[~2014-08-21 7:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-17 15:55 Kernel crypto API: cryptoperf performance measurement Stephan Mueller
2014-08-19 7:17 ` Jussi Kivilinna
2014-08-19 18:23 ` Stephan Mueller
2014-08-20 13:25 ` Jussi Kivilinna
2014-08-20 18:14 ` Milan Broz
2014-08-21 7:38 ` Jussi Kivilinna [this message]
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