AMD R600g/RadeonSI Performance On Linux 3.16 With Mesa 10.3-devel
The Unvanquished open-source first person shooter powered by the Daemon Engine performs rather poorly for the RadeonSI graphics cards while the Radeon R7 260X for some reason is running faster than the other high-end GCN GPUs.
Warsow becomes mostly CPU bottlenecked on the recent open-source driver code, but is delivering playable frame-rates for the tested hardware...