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Message-ID: <7e8ff6b61d6632b46716014050ee2f89@smtp.hushmail.com>
Date: Wed, 25 Apr 2012 22:24:23 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: New RAR OpenCL kernel
On 04/25/2012 02:38 PM, SAYANTAN DATTA wrote:
> Hi magnum,
>
> I tested your rar format on my 4890.Here's the result:
>
> OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
> Using device 0: ATI RV770
> Compilation log: LOOP UNROLL: pragma unroll (line 264)
> Unrolled as requested!
>
> Optimal local work size 256
> (to avoid this test on next run, put "rar_LWS = 256" in john.conf, section
> [Options:OpenCL])
> Optimal keys per crypt 256
> (to avoid this test on next run, put "rar_KPC = 256" in john.conf, section
> [Options:OpenCL])
> Local worksize (LWS) 256, Global worksize (KPC) 256
> Benchmarking: RAR3 (6 characters) [OpenCL]... DONE
> Raw: 64.2 c/s real, 64.2 c/s virtual
>
> Is it okay to have KPC 256? Seems a bit low..
Thanks! I suspect this is very low for that card, it should likely be
more than 10x faster. I really need to find out what I am doing that
nvidia's like, but AMD's do not. Good to hear it's working at all though.
magnum
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