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Message-ID: <20121208231900.GB32590@openwall.com>
Date: Sun, 9 Dec 2012 03:19:00 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: GPU based cracking, AMD or NVIDIA
On Sat, Dec 08, 2012 at 11:40:38PM +0100, magnum wrote:
> On 8 Dec, 2012, at 19:57 , Solar Designer <solar@...nwall.com> wrote:
> > Are you aware of any password cracking related task where GTX 680 is any
> > faster than GTX 580? I've only seen (non-JtR) benchmarks showing it
> > being slower - often several times slower, even. (I don't have one to
> > test myself, though.)
>
> With late OpenCL drivers the gap has decreased a lot, or the 680 has even become the winner at times - with a really tiny margin. I have never seen the 680 significantly outperform a 580 in any application. Like you, I have seen the opposite but I think that was mostly due to premature drivers that did not handle Kepler well.
This is interesting. Can you post any specific benchmark results?
Alexander
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