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Message-ID: <CA+TsHUBCuKzvCTTs+xJJucmJtTnmDjXqaUn7mV2aczbScytZ6Q@mail.gmail.com>
Date: Fri, 13 Apr 2012 10:44:41 +0530
From: SAYANTAN DATTA <std2048@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: MSCash2 OpenCL (was: OpenCL tests on HD 7970)
Hi Alexander,
On Thu, Apr 12, 2012 at 4:27 AM, Solar Designer <solar@...nwall.com> wrote:
> I think this means that we're already quite close to optimal
> performance, and further optimizations may be in two areas: reducing the
> number of operations performed per password hashed (e.g., by making use
> of bitselect() and rotate(), not re-computing common subexpressions, etc.)
> and avoiding various stalls (apparently, the possible benefit here is
> limited to 15% now).
>
I have posted my final performance update(+ 13%) to magnum. It would be
really great if you could test them on 7970 and post the results.
Regards,
Sayantan
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