We at ( my signature ) already have this solution for more than a month.
Or is it that "smart tune" slider you set all the way to the right?Yes its "that" slider.. you have the option between, auto,low, med and high. which automatically tunes all the timings you need for optimal performance on your GPUs.
Currently it is supported for Vega (samsung memory), Nvidia pascal familiy (yes not just 1080s).