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Date: Mon, 19 Mar 2012 01:25:10 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Initial Observation of OpenCL and CUDA
myrice, magnum -
On Mon, Mar 19, 2012 at 01:47:13AM +0800, myrice wrote:
> I tested it built with linux-x86-cuda and linux-x86-opencl. My environment
> is:
>
> CPU: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
> GPU: GeForce GTX 580
> OS: Ubuntu Server 10.04.3 LTS 32bit
> CUDA: cuda toolkit 4.1
Oh, 32-bit OS is pretty unusual for the GPU stuff. This may make your
testing more valuable to us. ;-)
> I refer page: http://www.openwall.com/lists/john-dev/2012/03/04/1
You might also want to see further messages in that thread (click
"thread-next" many times).
> Here are the results:
>
> myrice@...128-desktop:~/GSoC/magnum-jumbo$ run.cl/john -te=0
> Warning: doing quick benchmarking - the performance numbers will be
> inaccurate
> Benchmarking: Traditional DES [128/128 BS SSE2]... DONE
> Many salts: 4339K c/s real, 4339K c/s virtual
> Only one salt: 4160K c/s real, 4160K c/s virtual
>
> Benchmarking: BSDI DES (x725) [128/128 BS SSE2]... DONE
> Many salts: 153600 c/s real, 153600 c/s virtual
> Only one salt: 153600 c/s real, 153600 c/s virtual
>
> Benchmarking: FreeBSD MD5 [SSE2i 4x]... Segmentation fault
It sounds like you ran into the same problem that I did, which magnum
has since reported as fixed. My guess is that maybe the fix was only
applied for 64-bit make targets. magnum?
Meanwhile, you may run the actual CUDA and OpenCL tests directly. The
command:
./john | egrep 'cuda|opencl'
will tell you the names of "formats" that use CUDA or OpenCL. Then you
may test those with:
./john --test --format=phpass-cuda
and so on.
Thanks,
Alexander
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