Date: Wed, 26 Jun 2013 19:13:06 +0530 From: Sayantan Datta <std2048@...il.com> To: john-dev@...ts.openwall.com Subject: Re: latest version of descrypt project on reddit On Tuesday 25 June 2013 09:21 AM, Sayantan Datta wrote: > Hi Solar, > > Please post the link to the latest version of the descrypt project on > reddit that you mentioned during our last irc chat. > > Regards, > Sayantan I ran the descrypt project on my 7970. I found that it was doing only a single iteration inside the kernel. http://www.reddit.com/r/crypto/comments/162ufx/research_project_opencl_bitslice_des_bruteforce/ For single iteration its speed was: Run time: 0.114362 s Rate: 4694.471722 Mkeys/s Time to search keyspace: 177.655758 days So I modified the code a little bit to put it under 25 iteration. Surprisingly the speed got reduced by 1/50 times instead of 1/25!! I'm trying to figure out why? Run time: 4.571239 s Rate: 117.445372 Mkeys/s Time to search keyspace: 7101.173235 days Regards, Sayantan Content of type "text/html" skipped
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