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Message-ID: <4F4D1F81.7000800@gmail.com>
Date: Tue, 28 Feb 2012 15:40:01 -0300
From: Claudio André <claudioandre.br@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: OpenCL patches
Hi,
The sem_wait stuff is related to some AMD/NVIDIA bad relationship. On a
clean AMD machine, it works fine on 2.6.
I can do some performace test, if you think is useful.
By the way, the machine i reported the error some days ago (and did the
same magnun did, OpenCL AMD CPU) has a AMD Radeon HD 6370 DDR3, 512 MB
with 2 stream cores.
New hardware for poor countries:
http://www.submarino.com.br/produto/10/23836952/notebook+hp+g42-373br+c/amd%C2%AE+dual+core+4gb+500gb+led+14+windows+7
Date: Fri, 24 Feb 2012 18:05:54 +0100
From: magnum<john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: OpenCL patches
Samuele, Lukas,
I just committed a couple of trivial OpenCL patches to git (after
manually syncing with Samueles tree). Among other things I added support
for --platform. With this I could successfully chose whether to use CPU
or GPU. I also plan to support --platform=LIST (I added a temporary
separate tool to unused/ for now).
I think we should rename --gpu to --device before next Jumbo release,
because it doesn't really have to be a GPU.
I also tried AMD's version of OpenCL for CPU. Worked fine. I can't
really compare performance because this was on a machine in an whole
different league. I had some problems (sem_wait() failed, seems to be a
common regression problem) with AMD APP 2.6 so I reverted to 2.5.
magnum
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