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Message-ID: <20150814105607.GA23441@openwall.com>
Date: Fri, 14 Aug 2015 13:56:07 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Argon2 on GPU
On Fri, Aug 14, 2015 at 10:37:32AM +0200, Agnieszka Bielec wrote:
> unfortunately I have another problem, only with --dev=5 on super. I
> tested argon2d/i on 4 cards and this problem occurs only on nvidia on
> super
> I did some debugging
>
> return 0;
> blake2b_update(&BlakeHash, (const uchar*)msg, msglen);
>
> works
> __
> blake2b_update(&BlakeHash, (const uchar*)msg, msglen);
> return 0;
>
> doesn't work (CL_OUT_OF_RESOURCES)
> __
> printf("%d\n",msglen);
> blake2b_update(&BlakeHash, (const uchar*)msg, msglen);
> return 0;
>
> works
>
> so it seems like a bug with driver for me
Not necessarily. It could be that the addition of printf() affects
optimization, and thus resource usage.
Alexander
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