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Message-ID: <20110411215520.GA11896@openwall.com>
Date: Tue, 12 Apr 2011 01:55:20 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: sha256 format patches
On Mon, Apr 11, 2011 at 10:47:48PM +0200, ?ukasz Odzioba wrote:
> This is link to newest version sha256patch:
> http://sphere.pl/~ukasz/gsoc2011/john-1.7.6-sha256cuda-1.diff
> Code is a bit dirty I will do cleanup and link to wiki soon.
I've benchmarked this on GeForce 8800 GTS 512. One instance:
Benchmarking: SHA256CUDA [SHA256]... DONE
Raw: 6320K c/s real, 6320K c/s virtual
That's some speedup over the previous version, but by far not as much as
you reported for your system.
Two simultaneous instances:
[user@...alhost run]$ . r
[user@...alhost run]$ Benchmarking: SHA256CUDA [SHA256]... Benchmarking: SHA256CUDA [SHA256]... DONE
Raw: 4411K c/s real, 4420K c/s virtual
DONE
Raw: 4403K c/s real, 4420K c/s virtual
[1]- Done ./john -te -fo=sha256cuda
[2]+ Done ./john -te -fo=sha256cuda
Now with partial hashes (truncated to 64 bits):
Benchmarking: SHA256CUDA [SHA256]... DONE
Raw: 6852K c/s real, 6852K c/s virtual
[user@...alhost run]$ Benchmarking: SHA256CUDA [SHA256]... Benchmarking: SHA256CUDA [SHA256]... DONE
Raw: 5057K c/s real, 5067K c/s virtual
DONE
Raw: 5047K c/s real, 5057K c/s virtual
[1]- Done ./john -te -fo=sha256cuda
[2]+ Done ./john -te -fo=sha256cuda
Larger BLOCKS:
//#define BLOCKS 4096
#define BLOCKS 16384
Benchmarking: SHA256CUDA [SHA256]... DONE
Raw: 7087K c/s real, 7087K c/s virtual
[user@...alhost run]$ . r
[user@...alhost run]$ Benchmarking: SHA256CUDA [SHA256]... Benchmarking: SHA256CUDA [SHA256]... DONE
Raw: 5263K c/s real, 5263K c/s virtual
DONE
Raw: 5232K c/s real, 5252K c/s virtual
[1]- Done ./john -te -fo=sha256cuda
[2]+ Done ./john -te -fo=sha256cuda
Alexander
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