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Message-ID: <CANqqEde8Q7YNDF7BL-122+6G8h7=7Yc1+dzmEfZjYc5_R_OmYw@mail.gmail.com>
Date: Tue, 29 Nov 2011 18:59:09 +0200
From: Caesarmv <caesarmv@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: AMD X6 multicore issue
Hi Alexander.
Please see inline.
2011/11/29 Solar Designer <solar@...nwall.com>
> On Mon, Nov 28, 2011 at 09:39:34PM +0200, Caesarmv wrote:
> > 1) john-1.7.8-jumbo-8/run$ mpiexec -np 4 ./john ./pass.txt
> > And it works well but uses only 1 core of 6.
> >
> > 2) But when I tried to run:
> > john-1.7.8-jumbo-8/run$ mpiexec -np 4 ./john --test
> > It used 4 cores (100% usage).
>
> Please post excerpts of output from the above commands - the "Loaded ..."
> line and benchmark output for the same hash type.
>
> * c@cd:~/pass/john-1.7.8-jumbo-8/run$ mpiexec -np 6 ./john ../../pass.txt*
Loaded 2 password hashes with 2 different salts (generic crypt(3) [?/64])
Loaded 2 password hashes with 2 different salts (generic crypt(3) [?/64])
Remaining 1 password hash
Loaded 2 password hashes with 2 different salts (generic crypt(3) [?/64])
Remaining 1 password hash
Remaining 1 password hash
Node 0@cd: Crash recovery file is locked: ./john.rec
Node 0@cd: Crash recovery file is locked: ./john.rec
Loaded 2 password hashes with 2 different salts (generic crypt(3) [?/64])
Node 0@cd: Crash recovery file is locked: ./john.rec
Remaining 1 password hash
Loaded 2 password hashes with 2 different salts (generic crypt(3) [?/64])
Remaining 1 password hash
Loaded 2 password hashes with 2 different salts (generic crypt(3) [?/64])
Remaining 1 password hash
*c@cd:~/pass/john-1.7.8-jumbo-8/run$ mpiexec -np 6 ./john --test*
Benchmarking: Raw SHA-512 [64/64]... DONE
Raw: 1235K c/s real, 1235K c/s virtual
Benchmarking: Raw SHA-512 [64/64]... DONE
Raw: 1216K c/s real, 1228K c/s virtual
Benchmarking: Raw SHA-512 [64/64]... DONE
Raw: 1213K c/s real, 1237K c/s virtual
Benchmarking: Raw SHA-512 [64/64]... DONE
Raw: 1194K c/s real, 1231K c/s virtual
Benchmarking: Raw SHA-512 [64/64]... DONE
Raw: 1186K c/s real, 1235K c/s virtual
Benchmarking: Raw SHA-512 [64/64]... DONE
Raw: 1786K c/s real, 1804K c/s virtual
> Compilation type is *make linux-x86-64.*
>
> Did you enable MPI or/and OpenMP in the Makefile?
Yes.
> > Could you please point me how to config it to work with several cores?
>
> There are different ways, with their pros and cons. You really got to
> provide more info, such as on the hash type(s) you're interested in.
>
I'm interested in *SHA512* (ubuntu default pass file).
> For generic answers, see:
>
> http://openwall.info/wiki/john/parallelization
I've read it also, but no result.
> Alexander
>
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