Date: Thu, 1 Mar 2012 01:07:58 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: rule: >NN , format=cuda-mscash, filters, --make-charset segfault Lukas, On Wed, Feb 29, 2012 at 09:11:26PM +0100, Lukas Odzioba wrote: > 2012/2/29 <buawig@...il.com>: > >c) I'm running john 1.7.9-jumbo-5 (mpi) + cuda patch  > >but when starting john: > >mpiexec -np 8 ./john --format=cuda-mscash -w=... --rules hashes.txt > ... > First of all you should not use mpi with cuda. For now it will not give you > any speedup. Actually, it might: in my testing of some of your CUDA code, running two instances at once (without MPI, though) provided slightly better combined performance, probably due to inefficiencies/stalls in the code. So "mpiexec -np 2" might make sense in some special cases. > There was bug in cuda-1 version I fixed it already, and now I am trying to > upload it to wiki (I am having problems with ISP), so it will be available > on wiki ASAP. I see that this is now uploaded - thanks! However, interdiff'ing the patches I don't see what bug you're referring to, and I don't see anything relevant to loading of MSCash hashes (something that would cause them to be loaded where they previously were not). Can you please clarify? Thanks, Alexander
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