From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] unusual writing speeds when benchmark speeds are high enough
Date: Mon, 18 Mar 2013 11:20:21 +0100 [thread overview]
Message-ID: <20130318102021.GB25371@tansi.org> (raw)
In-Reply-To: <20130318100148.GA1399@fancy-poultry.org>
On Mon, Mar 18, 2013 at 11:01:48AM +0100, Heinz Diehl wrote:
> On 18.03.2013, Matthias Schniedermeyer wrote:
>
> > The SSD i have can reach (with encryption) about 400MB/s, but that is
> > best-case performance when all moons are aligned. I haven't really
> > benchmarked the real-world performance, the dd-example (with conv=fsync)
> > only got 88MB/s.
>
> On all my SSD disks, cryptsetup performance is not even near that. I
> have about 450 MB/s without encryption, and max. 120 MB/s with.
Remember that you can get a crypto-only benchmark with
"cryptsetup benchmark" from cryptsetup v.1.60 onwards.
Arno
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: arno@wagner.name
GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718
----
One of the painful things about our time is that those who feel certainty
are stupid, and those with any imagination and understanding are filled
with doubt and indecision. -- Bertrand Russell
next prev parent reply other threads:[~2013-03-18 10:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-17 21:36 [dm-crypt] unusual writing speeds when benchmark speeds are high enough .. ink ..
2013-03-17 22:55 ` Matthias Schniedermeyer
2013-03-18 6:42 ` .. ink ..
2013-03-18 8:37 ` Matthias Schniedermeyer
2013-03-18 10:01 ` Heinz Diehl
2013-03-18 10:20 ` Arno Wagner [this message]
2013-03-18 10:43 ` Matthias Schniedermeyer
2013-03-17 23:07 ` Arno Wagner
2013-03-17 23:19 ` .. ink ..
2013-03-18 6:22 ` Milan Broz
2013-03-18 7:58 ` .. ink ..
2013-03-18 18:16 ` .. ink ..
2013-03-18 7:06 ` Heinz Diehl
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