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Message-ID: <AANLkTinP_rFV=M55BbstWL=vdUnYjxWd3EhnjbYf95Cf@mail.gmail.com>
Date: Sun, 2 Jan 2011 16:52:13 -0800
From: Dhiru Kholia <dhiru.kholia@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: NTLM and OpenCL 1.0
On Thu, Dec 30, 2010 at 11:23 PM, Dhiru Kholia <dhiru.kholia@...il.com> wrote:
> I have added preliminary OpenCL support for raw-MD4 hashes (combined
> OpenCL patch attached). Performance sucks right now but I am working
> on it :-).
I have added OpenCL support for raw-MD4 and raw-MD5 hashes.
$ ../run/john -test -format=raw-md5
Benchmarking: Raw MD5 [raw-md5 64x1]... DONE
Raw: 5874K c/s real, 5933K c/s virtual
$ ../run/john -test -format=raw-md5-opencl
Benchmarking: Raw MD5 [raw-md5-opencl]...
OpenCL Platform: <<<NVIDIA CUDA>>> and device: <<<GeForce GT 240>>>
DONE
Raw: 37374K c/s real, 111025K c/s virtual
$ ../run/john -test -format=raw-md4
Benchmarking: Raw MD4 [32/64]...
OpenCL Platform: <<<NVIDIA CUDA>>> and device: <<<GeForce GT 240>>>
DONE
Raw: 27698K c/s real, 59918K c/s virtual
Areas which needs more work are marked as TODO in the code. Thanks
Erik for all the testing and benchmarking reports!
...
GT 240 is strangely giving better performance (>2X) than AMD 6970
which I got recently. Drivers? Crappy compiler? I have started looking
into AMD CAL to get more performance.
--
Cheers,
Dhiru
Download attachment "john-1.7.6-jumbo-9-opencl-9.diff.gz" of type "application/x-gzip" (28514 bytes)
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