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Date: Sun, 9 Dec 2012 06:13:43 +0400
From: Solar Designer <>
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 <> 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).


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