Date: Wed, 25 Jul 2012 18:12:00 +0800 From: myrice <qqlddg@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Result of hard core password generation on 7970 Solar On Tue, Jul 24, 2012 at 8:52 PM, myrice <qqlddg@...il.com> wrote: > Hi, Solar, > > Here is the result, with password generation on [a-zA-Z][a-zA-Z] > The code is here on PG-test branch: > https://github.com/qqldd/myrice-JtR/tree/PG-test > > raw-md5-opencl with PG > 1 > guesses: 0 time: 0:00:04:52 0.00% c/s: 196758K > > 1000 > guesses: 2 time: 0:00:01:44 0.00% c/s: 30660M > > 1000000 > Unable to get, will reduce the max_keys_per_crypt number or divided it > to 1000s kernel's run(every run with fixed 1000 loaded hashes), so > loaded hashes could take advantages of constant memory. Here is the new rough result 1: with 2048*8, ~900M c/s, but with 2048*16, it is ~500M c/s 1000: with 2048*8, ~45G = ~45M, with 2048*16, ~90G = ~ 45M 1M: still cannot get, I reduce the global work size to 128 and only append[a-e][a-e], it is very slow. And the kernel cannot finished with [a-z][a-z]. I am think about compare, with 1M hashes, the loop inside one thread increased to 26*26*1M = 676M, it is very large for a thread. Thanks myrice
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