john-users - Re: John the Ripper 1.7.9 - Jumbo 5 (w/ OpenMP support) for Intel Macs (Intel Binary)

Openwall GNU/*/Linux 3.0 - a small security-enhanced Linux distro for servers

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Sun, 29 Jan 2012 09:57:21 -0500
From: Erik Winkler <ewinkler@...ls.com>
To: john-users@...ts.openwall.com
Subject: Re: John the Ripper 1.7.9 - Jumbo 5 (w/ OpenMP support)
 for Intel Macs (Intel Binary)


> My system OS X 10.7, Imac intel I7
> 
> I have 1 question :
> 
> I run your version (openmpi) , I get
> 
> mpirun -np 4 ./john -format=raw-md5 -test
> iMac-de-xxx-xx:run xxxxxx$ mpirun -np 4 ./john -format=raw-md5 -test
> Benchmarking: Raw MD5 [SSE2i 10x4x3]... Benchmarking: Raw MD5 [SSE2i 10x4x3]... Benchmarking: Raw MD5 [SSE2i 10x4x3]... Benchmarking: Raw MD5 [SSE2i 
> 10x4x3]... DONE
> Raw:	21050K c/s real, 21261K c/s virtual
> DONE
> Raw:	21037K c/s real, 21248K c/s virtual
> DONE
> Raw:	20534K c/s real, 20534K c/s virtual
> DONE
> Raw:	21354K c/s real, 21354K c/s virtual
> 
> 
> With my own version (mpirun) I get :
> 
> iMac-de-xxx-xx:run xxxxxx$ mpirun -np 4 ./john -format=raw-md5 -test
> Benchmarking: Raw MD5 [SSE2i 10x4x3]... (4xMPI) DONE
> Raw:	54812K c/s real, 54812K c/s virtual
> 
> As you can see there is only 1 result : 54812K c/s real (for 4 cores)
> 
> 1)  Why is your version display 4 results (21+21+20+21K c/s) , and only not 1 (54812K c/s) ?
> - Is it possible to display only 1 result for all cores ?
> 


I did not compile MPI support into this version, only OpenMP, which is different.  MPI has been buggy on my 10.7 install, so to avoid problems, I left it out.

Erik