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Message-ID: <1367672163.11785.YahooMailNeo@web171902.mail.ir2.yahoo.com>
Date: Sat, 4 May 2013 13:56:03 +0100 (BST)
From: T E <tobias2esc@...oo.com>
To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com>
Subject: Re: issues with mpirun
>You did it right as far as stated here. Did you "make clean" after editing Makefile though?
Yes, I did a "make clean" before compiling and I am sure that I used the binary I created before.
Luckily I was able to fix the problem today. In addition to installing OpenMP and mpich with apt-get (as described in the tutorial) I had to compile the mpich sourcecode (http://www.mpich.org/) manually. After compiling mpich I didn't need to recompile JtR again, but was able to run john with up to 8 kernels with mpi.
However, I don't really know which part of mpich was missing (and why this wasn't installed using apt-get). As it was not necessary to recompile john it must be something like a runtime lib or an additional binary.
For future development it would be useful if john could print a warning if someone tries to use mpirun without having all necessary libraries,...
Benchmark result:
raw-md5: 30 000K C/s (single core)
raw-md5: 190 000K C/s (8x MPI)
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