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Message-ID: <20121208232202.GA32738@openwall.com>
Date: Sun, 9 Dec 2012 03:22:02 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: bitslice DES on GPU
On Sun, Dec 09, 2012 at 01:09:34AM +0200, Milen Rangelov wrote:
> Any change in the binary would not have any effect unless you release the
> kernel and create it again (which would involve a memory transfer again).
> But that of course involves the transfer costs.
That's fine. I'd expect such transfer costs to be relatively minor -
way lower than the savings from having the right offsets substituted
into code instead of wasting registers on them and having to use more
complicated addressing.
Alexander
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