Date: Sun, 9 Dec 2012 06:13:43 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: GCN: indexed access to VGPRs Sayantan - On Sat, Dec 08, 2012 at 09:08:33PM -0500, Alain Espinosa wrote: > On 12/8/12, Solar Designer <solar@...nwall.com> wrote: > > How do you access the indexed registers? (And it's the same register > > file, just accessed differently - right?) Is it via a private array as > > you mention below? - > > Via the private array in OpenCL and then checking the code generated. > Is the same register file as you point out. Would you try this for bcrypt-opencl? e.g. try to implement two hashes per work-item, by having S-boxes of one of them in a local array (like it's done now) and the other in a private array. In fact, you can start by using a private array only (as an experiment). Alexander
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