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Date: Mon, 8 Mar 2021 20:35:18 +0100
From: MichaƂ Majchrowicz <>
Subject: Re: Multi-gpu setup

> Are those GPUs identical (same model)?
Nope, it wouldn't be interesting if that was the case :)

> There is no easy way for that as far as I remember, but what you can do is to
> split input dictionary manually in percentage which you would like to
> use and then use  --devices=
> parameter to specify an attack for a given subset of initial dictionary.
> You can list devices seen by John by using "--list=opencl-devices" parameter, so
> you would know which GPU corresponds to which id.
Yeah I thought about that but it would be much easier if I could
specify dictionary range for single node. I am already splitting
dictionary between nodes but for now was using single one for each of
"john forks" on single node.

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