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Date: Mon, 14 Jan 2013 23:17:01 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Cc: Lukas Odzioba <lukas.odzioba@...il.com>
Subject: Re: Changes to common-opencl.c
On 14 Jan, 2013, at 22:10 , Claudio André <claudioandre.br@...il.com> wrote:
> I created a fake multi-gpu format to test this. Examples:
> Device 0 - GPU
> Device 1 - CPU
>
> Running it, you can see if:
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=gpu #Only GPU
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=cpu #Only CPU
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=gpu,0 #Only GPU
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=cpu,1 #Only CPU
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=gpu,3 #Only GPU + error
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=cpu,3 #Only CPU + error
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=gpu,1 #Both CPU and GPU
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=cpu,0 #Both CPU and GPU
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=all #Everything
> ../run/john -fo:sha256crypt-ng-opencl -t --devices=all,3 #Everything + error
Cool. I think Sayantan's format should be able to try this now.
>
> Using bull:
> $ ../run/john -fo:sha256crypt-ng-opencl -t --devices=cpu,gpu
> Device 2: AMD FX(tm)-8120 Eight-Core Processor
> Device 0: GeForce GTX 570
> Device 1: Tahiti (AMD Radeon HD 7900 Series)
> Local worksize (LWS) 1, global worksize (GWS) 1024
> Benchmarking: sha256crypt (rounds=5000) [OpenCL]... DONE
> Raw: 1543 c/s real, 194 c/s virtual
>
> - This ng format compile for all selected devices, but uses only the first one in crypt-all (it is not real multi-gpu).
I'll try and test it on various odd systems I can get my hands on.
Lukas, do you understand why https://github.com/magnumripper/JohnTheRipper/commit/833fbcd87dfa142505d0677ae91d54baec9f88e7 does not work? When I try to build it, I get
../formats.h(206): error: expected an identifier
1 error detected in the compilation of "/tmp/tmpxft_0000c4fa_00000000-4_cuda_common.cpp1.ii".
make[1]: *** [cuda_common.o] Error 2
make: *** [macosx-x86-64-gpu] Error 2
magnum
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