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Date: Tue, 22 Jul 2014 17:07:51 +0000 (UTC)
From: Donovan <>
Subject: OMP & Compilation issues on OSX

Hi All,

Usualy, i use Version 1.7.9_OMP, but would like to update my build as well,
to get more improuvement & new aglo's on....

I have just read couples of the last threads, where users seem got problem
who look similar than mine.

I am on MAC OSX mountain Lion.

I use usualy JTR version 1.7.9 Jumbo who are avaible on the custom builds, =

i make some tests with the Magnum build =

Because i would like to update....

& Unfortunately not got the expected improvement...


On the version 1.7.9

ver: 1.7.9-jumbo-7_omp [macosx-x86-64]


pc2:run1 xxxx$ ./john --format=des --test
Benchmarking: Traditional DES [128/128 BS SSE2-16]... (8xOMP) DONE
Many salts:    15925K c/s real, 1985K c/s virtual
Only one salt:    12845K c/s real, 1605K c/s virtual


On the last version from Magnum Github, tested today

( i just do a classic compilation without touching any file or modify any
...,  i just do $ ./configure & make,    all is done without any errors )

version [darwin12.5.0 64-bit AVX-autoconf]

pc2:run xxxx$ ./john --format=descrypt --test
Benchmarking: descrypt, traditional crypt(3) [DES 128/128 AVX-16]... DONE
Many salts:    4702K c/s real, 4702K c/s virtual
Only one salt:    4483K c/s real, 4438K c/s virtual

pc2:run xxxxx$ ./john --format=descrypt-opencl --test
Device 0: Intel(R) Core(TM) i7-2720QM CPU @ 2.20GHz
Local worksize (LWS) 1, Global worksize (GWS) 16384
Benchmarking: descrypt-opencl, traditional crypt(3) [DES OpenCL]... DONE
Many salts:    2939K c/s real, 396687 c/s virtual
Only one salt:    2833K c/s real, 396187 c/s virtual

pc2:run xxx$ OMP_NUM_THREADS=8 ./john --format=descrypt --test
Benchmarking: descrypt, traditional crypt(3) [DES 128/128 AVX-16]... DONE
Many salts:    4697K c/s real, 4697K c/s virtual
Only one salt:    4480K c/s real, 4480K c/s virtual


Like you can see, seem OMP is not enable as the other 1.7.9 version who can
up at 15925 K C/S, Even in GPU Mode we can't get the expected improuvement.

I try to make test with the addition of "--fork=N" option, but got an error
message, seem we can not Mix " --fork=N & --test""....can you confirm this
point please ?

Any help with be appreciated,

Thank you in advance,



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