RadeonSI OpenGL Performance Has Evolved A Lot Since Early 2015

GpuTest's Triangle test tends to be reflective of vRAM performance and it sees a huge performance boost when moving to Linux 4.8 + Mesa 12.1-dev on this R9 270X setup.

Unigine Valley's performance improved by 37% in a little more than a year thanks to continued work on Radeon DRM and Mesa's RadeonSI Gallium3D driver.

Unigine Heaven seemed to have better performance on Ubuntu 15.04 than 15.10/16.04, but anyhow with the latest open-source Radeon development code its performance is much faster than any of these previous releases.

It's great to see how much the open-source AMD Radeon graphics driver stack for Linux has advanced over the past two years. Aside from that, the OpenGL support in RadeonSI went from OpenGL 3.3 to currently at OpenGL 4.3 while shouldn't be much longer until OpenGL 4.4~4.5. With the OpenGL support finally catching up, AMD continues investing more into performance optimizations for their open-source driver stack so we can't wait to see how much better the performance will be over the months ahead.

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