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Date: Sun, 25 Aug 2013 03:37:36 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Parallella: Litecoin mining

Rafael,

On Sun, Aug 25, 2013 at 03:36:06AM +0400, Solar Designer wrote:
> I took a look at your committed code - it tries to use TMTO 5, but it
> just gets stuck somewhere.  So I've just spent an hour playing around
> with it, optimizing its memory usage.  Please see the attached patch.

Oops, I forgot to re-attach the patch when moving the message body to
the proper thread.  I've attached the patch now.

> With this patch, the code + read-only data size is reduced by about 1700
> bytes, and it pretends to work, but when I enable the debugging output
> in driver-epiphany.c, the hashes computed on ARM and Epiphany don't
> match.  Moreover, they don't match even if I reduce TMTO to 6 (and
> adjust DIVTMTO accordingly).  My guess is that you had introduced some
> bug, so I am leaving it up to you to debug it. ;-)  It is, of course,
> also possible that the bug is in my patch.

Alexander

View attachment "cgminer-tmto5.diff" of type "text/plain" (7834 bytes)

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