its adjusted by intensity 0/1 toggle..
that will make it use a bit less if you have only 1 gpu.
also from there you set up the config with the number x number settings
first time you run it, it will try and auto setup the config for you..
so you have to use --no-autotune to make it use your specific setting
and when you first launch you can see some settings it tried out you can play with
check out the readme
