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Message-ID: <56DB0FDD.7010406@gmail.com>
Date: Sat, 5 Mar 2016 17:57:01 +0100
From: Marek Wrzosek <marek.wrzosek@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: devices for --dev= option
W dniu 05.03.2016 o 17:12, Matus UHLAR - fantomas pisze:
> Hello,
>
> in README-OPENCL I read about --dev= option, but I don't quite understand
> what it means.
>
> this is error from "john --list=opencl-devices --dev=help"
>
> Error: --device must be numerical, or one of "all", "cpu", "gpu" and
> "accelerator".
>
> is it supposed to list opencl-capable devices only?
>
Hi
I think it should be:
john --list=opencl-devices
to list OpenCL-capable devices.
And --device option is to choose one or more devices, if you have more
than one OpenCL-capable device, for actual cracking process. This option
allow only numerical values or keywords "all", "cpu", "gpu",
"accelerator" (or "acc" for short). To use OpenCL you need to choose
format with OpenCL support. But I could be wrong, because I don't have
any OpenCL-capable device.
Best Regards,
Marek
--
Marek Wrzosek
marek.wrzosek@...il.com
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