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Date: Sat, 11 Aug 2012 20:19:16 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: bf-opencl fails self-test on CPU

On 2012-08-11 17:48, Solar Designer wrote:
> On Sat, Aug 11, 2012 at 02:34:13PM +0200, magnum wrote:
>> magnum@...ge:~/src/john/src [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
> 
> This is about twice slower than OpenMP, right?

Yes, and then some:

Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... (2xOMP) DONE
Raw:	1302 c/s real, 651 c/s virtual

Non-OMP build:

Benchmarking: OpenBSD Blowfish (x32) [32/64 X2]... DONE
Raw:	704 c/s real, 704 c/s virtual

magnum

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