AMDGPU-PRO 17.10 vs. Linux 4.12 + Mesa 17.2-dev Git

AMDGPU-PRO 17.10 vs. Linux 4.12 + Mesa 17.2-dev Git: Given the RadeonSI/Gallium3D threaded pipe context work having landed earlier this week and there being other performance improvements with Linux 4.12 and Mesa 17.2-dev, here are some fresh benchmarks on an AMD Polaris card comparing this latest open-source graphics driver code as of this week compared to AMD's latest hybrid driver, AMDGPU-PRO 17.10.