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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