Last week AMD released an updated AMDGPU-PRO hybrid driver with performance fixes so I’ve now carried out a fresh comparison of this updated 17.10-429170 driver compared to the latest open-source stack of Mesa 17.2-dev Git plus the Linux 4.12 development kernel.
Source: Phoronix – AMDGPU-PRO 17.10-429170 vs. Linux 4.12 + Mesa 17.2-dev: Open-Source Continues Strong