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Message-ID: <4E3ADD61.7000806@nomicon.pl>
Date: Thu, 04 Aug 2011 19:56:49 +0200
From: groszek <necro@...icon.pl>
To: john-users@...ts.openwall.com
Subject: Re: JtR CUDA patch
On 08/04/2011 06:06 AM, Lukas Odzioba wrote:
> Hi all!
>
> I've prepared patch adding nVidia GPU's support for the following formats:
> phpass, cryptmd5, cryptsha256, cryptsha512
>
> Performance is rather poor, here's a few benchmarks on my GTX460:
>
> phpass 292k c/s
> cryptmd5 391k c/s
> cryptsha256 7800 c/s
> cryptsha512 5600 c/s
>
On my GTS 250m i get:
Benchmarking: PHPASSCUDA [PORTABLE-MD5]... DONE
Raw: 79973 c/s real, 80105 c/s virtual
Benchmarking: CRYPTMD5CUDA saltlen=8,passlen=8 [MD5-based CRYPT]. DONE
Raw: 57714 c/s real, 57829 c/s virtual
Benchmarking: CRYPTSHA256CUDA [SHA256-based CRYPT]... DONE
Raw: 823 c/s real, 825 c/s virtual
Benchmarking: CRYPTSHA512CUDA [SHA512-based CRYPT]... DONE
Raw: 559 c/s real, 560 c/s virtual
This is very, very slow... and system becomes unresponsible (even mouse
cursor is dead) while its running.
Compiled with:
- Cuda compilation tools, release 4.0, V0.2.1221 (4.0.8)
- gcc x86_64 4.4.5 (cuda still doesn't like 4.5 ... aww!)
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