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Date: Wed, 23 Mar 2011 08:16:55 -0400
From: Erik Winkler <>
Subject: Re: New John 1.7.6 OpenMP Binaries for MacOSX and Windows

It looks like you are comparing 32-bit SSE2 version vs. the 64-bit version.  For a better comparison on the Mac, use arch -i386 ./john which runs the SSE2 version of the binary.  For example,

arch -i386 ./john -test -format:raw-md5
Benchmarking: Raw MD5 SSE2 [raw-md5 SSE2 16x4]... DONE
Raw:	12216K c/s real, 12094K c/s virtual

./john -test -format:raw-md5
Benchmarking: Raw MD5 [gen]... Using raw-md5 mode, by linking to md5_gen(0) functions DONE
Raw:	16936K c/s real, 16936K c/s virtual

> Why so much difference ? :
> - guesses: 18  time: 0:00:00:02  Vs  thread:  0 guesses: 150 time: 
> 0:00:00:01
> - c/s: 242196M  Vs c/s: 6615G
> Thanks.
> W.A.

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