Date: Wed, 11 Apr 2012 10:39:48 +0200 From: Samuele Giovanni Tonon <samu@...uxasylum.net> To: john-dev@...ts.openwall.com Subject: Re: OpenCL tests on HD 7970 On 04/11/2012 06:18 AM, Solar Designer wrote: > magnum, Lukas, Sayantan, Samuele - > > Here's a full set of OpenCL tests for magnum-jumbo on my 7970. > (I ran these one by one because we do not yet have "format destructors" > and because a segfault or the like would prevent further tests.) These are really usefoul! thanks! > user@...l:~/john/magnum-jumbo/src$ ../run/john -te -pla=1 -fo=ssha-opencl > OpenCL platform 1: AMD Accelerated Parallel Processing, 2 device(s). > Using device 0: Tahiti > Max Group Work Size 256 Optimal local work size 64 > (to avoid this test on next run, put "ssha_LWS = 64" in john.conf, section [Options:OpenCL]) > Local work size (LWS) 64, Keys per crypt (KPC) 4194304 > Benchmarking: Netscape LDAP SSHA OPENCL [salted SHA-1]... DONE > Many salts: 58798K c/s real, 74898K c/s virtual > Only one salt: 41943K c/s real, 46603K c/s virtual i think that if you set KPC to 8388608 (which is 4194304 * 2) you will see an improvements in the c/s real for many salts. if that's what happen than i have some thoughts to share about it Cheers Samuele
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