GTX 1080 and Vray RT

You either don’t utilize fully the GPU or you get sluggish UI. If you don’t utilize the GPU well it can get much slower … You can go for lower utilization with RT GPU with rays per pixel 1, but for many scenes it is not low enough. I am thinking of adding option for that on-purpose underutilization. I will count your post as a request for that :).

Best,
Blago.