The TTSIOD 3D Renderer performance improved a great deal when moving from Ubuntu 8.04.4 LTS to Ubuntu 12.04 LTS, but with GCC 4.7 on Ubuntu 12.10 there appears to be a notable performance regression.
Ubuntu 12.04 LTS boosted the Himeno performance and it moves up even further with the latest Ubuntu 12.10 development snapshot.
The 7-Zip results are stable on Ubuntu 12.10 after seeing a notable boost from Ubuntu 12.04 LTS.
The multi-threaded C-Ray ray-tracing performance continues to move higher with the latest GCC 4.7 on the Intel Core Duo. With other Intel architectures, we have also seen nice C-Ray performance gains on GCC 4.7.