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Date: Wed, 3 Jun 2015 21:59:04 +0200
From: Lukas Odzioba <>
Subject: Re: PHC: Parallel in OpenCL

2015-06-02 22:03 GMT+02:00 Agnieszka Bielec <>:
> [ run]$ ./john --test --format=parallel-opencl --dev=1 --skip-self-test
> Speed for cost 1 (s) of 0, cost 2 (p) of 0
> Many salts:     28493 c/s real, 3276K c/s virtual
> Only one salt:  28493 c/s real, 3276K c/s virtual

Ok, at least it is clear now that we have lost 1000 c/s by splitting kernel.
Maybe we could limit code size by using gotos, but it would be a stunt
and I don't recomend it.


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