Days Away From Branching, How Mesa 17.2 RadeonSI Performance Compares To Mesa 17.1

With Mesa 17.2 due to be branched by the end of the week and thus place this quarterly update to Mesa under a feature freeze, here are some fresh benchmarks of the AMD RadeonSI OpenGL driver on 17.2-dev compared to v17.1.4 stable as well as a few RADV Vulkan benchmarks too.