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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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