AMD A10-6800K APU Richland with AMD Radeon HD 8670D graphics. Comparing Mesa 9.1.4 Git to Mesa Git master of Mesa 9.2-devel as of 5 July. Also testing R600_DEBUG=sb for the R600 Gallium3D shader optimization back-end. Benchmarking by Michael Larabel for a future article on Phoronix.com.