Re: unusual writing speeds when benchmark speeds are high enough

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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@xxxxxxxxxxx
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
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