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Date: Sat, 14 Jan 2012 11:16:07 +0100
From: Samuele Giovanni Tonon <samu@...uxasylum.net>
To: john-dev@...ts.openwall.com
Subject: ssha opencl kernel update

hello,

i'm happy to announce a new improvement on opencl nsldaps.

this new opencl kernel adds a 20% speed up on the cracking process

simply copy this .cl over the old one in src dir e compile john
with make linux-x86-64-opencl and you should see improvements.


benchmark:

samu@...ulhu:~/john/john-1.7.9-jumbo-5/run$./john -format=ssha-opencl 
~/x3 -i:all

Kernel path is : ./ssha_opencl_kernel.cl

OpenCL Platform: <<<AMD Accelerated Parallel Processing>>> and device: 
<<<Cayman>>>
Max Group Work Size 256 Optimal Group work Size = 64
Loaded 15480 password hashes with 15480 different salts (Netscape LDAP 
guesses: 0  time: 0:00:14:36 0.00%  c/s: 41567K  trying: 31085295 - 14119410


Regards
Samuele

View attachment "ssha_opencl_kernel.cl" of type "text/plain" (6839 bytes)

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