Improved mining speed - Multi GPU

there is a solution.

Question: Why do you use -E 2?

@tromp if you take a look to my code you will see some improvements:

I have different card on the same machine and had many error, like out of memory and so on, so I startet to
share my solution:

https://forum.aeternity.com/t/special-driver-for-gtx-series-open-source

and thanks: ak_XoongvC5xDqBCwdLr3ok1SzK3xEMFVwQ1sA7vj1guBd99HFjQ