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Date: Tue, 18 Aug 2015 01:52:20 +0200
From: Agnieszka Bielec <>
Subject: Re: PHC: Argon2 on GPU

2015-08-17 11:56 GMT+02:00 Solar Designer <>:
> On Mon, Aug 17, 2015 at 12:14:11AM +0200, Agnieszka Bielec wrote:
>> why speed is fine when GWS=1024 is set before john ?
> This appears to be unrelated to the OpenCL code fragments you posted,
> and it is an important issue for you to continue investigating.
> If you think those code fragments were somehow related to it, please
> explain that.

maybe is not but BTW when I only turn-on coalescing in argon2d, the
speed is the same with GWS=x and without GWS, maybe this bug depends
on speed although after modifications I was talking before speed is
very very slightly slower.

I would be grateful if someone could test './john --test
--format=argon2i-opencl --v=4'

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