Setting for "CUDA device numbers"?

[peter.cherepanov]

I just realised that my request is essentially identical to (by abreuer):

Resurrecting explicit GPU binding for v2

It was really handy to have the option to explicitly bind jobs to GPUs. Version 1 had it, v2 does not. We need it to prevent collisions with other applications using the GPU. Sorry for resurrecting this but the topic that had this has been archived.