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Date: Sat, 11 Aug 2012 21:55:01 +0530
From: Sayantan Datta <>
Subject: Re: bf-opencl fails self-test on CPU

On Sat, Aug 11, 2012 at 6:04 PM, magnum <> wrote:

> On 2012-08-11 09:42, Sayantan Datta wrote:
> > On Sat, Aug 11, 2012 at 8:17 AM, Solar Designer <>
> wrote:
> >> Any idea why bf-opencl fails self-test on CPU (with AMD's SDK)?  Will it
> >> succeed with some other settings in opencl_bf_std.h maybe?
> >
> > I guess it is due to the lack of LDS on CPU.  I'm not sure though but
> I'll
> > find out. Also is it necessary to run the bf-opencl on CPU? We might
> need a
> > little modified kernel for that.
> FWIW it works fine on my laptop, using Intel's SDK.
> [1.7.9-jumbo-6-fixes]$ ../run/john -t
> -fo:bf-opencl
> OpenCL platform 0: Intel(R) OpenCL, 1 device(s).
> Using device 0: Intel(R) Core(TM)2 Duo CPU     P8600  @ 2.40GHz
> ****Please see 'opencl_bf_std.h' for device specific optimizations****
> Benchmarking: OpenBSD Blowfish (x32) [OpenCL]... DONE
> Raw:    595 c/s real, 315 c/s virtual
> magnum

It fails on i5 2500k using AMD's SDK. So I would like to install the intel
SDK alongside the AMD APP. Would that be a problem ?

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