Date: Mon, 6 Aug 2012 15:46:46 +0800 From: myrice <qqlddg@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Result of hard core password generation on 7970 Solar On Fri, Aug 3, 2012 at 12:42 AM, Solar Designer <solar@...nwall.com> wrote: > Are you using the bitmap even with just 1 hash loaded? In the real > implementation, I guess you'll need to do direct comparisons when the > number of loaded hashes (for the current salt if applicable) is below a > threshold (like just 1 or 2). Here is the result of using local memory for hashes < 2048 and direct compare using register for hashes is 1 or 2: I set global work size to 2048*8 with all test cases: raw-md5-opencl with PG (Local memory) 1 guesses: 0 time: 0:00:01:28 0.00% c/s: 826315K 1000 guesses: 0 time: 0:00:01:45 0.00% c/s: 828407M 1000000 guesses: 0 time: 0:00:00:52 0.00% c/s: 437215G The code is here: https://github.com/qqldd/myrice-JtR/blob/PG-test The file I changed: https://github.com/qqldd/myrice-JtR/blob/PG-test/src/opencl_rawmd5_fmt.c https://github.com/qqldd/myrice-JtR/blob/PG-test/src/opencl/md5_kernel.cl Thanks myrice
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