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Message-ID: <51CAEFEA.1070302@gmail.com>
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
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