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Date: Tue, 10 Jul 2012 06:46:46 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: bf_kernel.cl

On Tue, Jul 10, 2012 at 12:12:14AM +0530, Sayantan Datta wrote:
> I also made an attempt to find out the value of x. It comes out to be
> around 8. So we would see around 10% performance improvement over pure LDS
> implementation.

Shouldn't we expect more like a 50% improvement, based on the speeds for
the implementation using global memory that you had before?  Compared to
your LDS-using implementation, we're adding uses of computing and memory
resources that would otherwise be completely idle.

Alexander

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