Optimized Linux 2.6.10 Kernel for Dual Xeon with Hyperthreading

Anyone have tips on configuring the 2.6.10 kernel to take full advantage of dual 2.4 Ghz Xeons?

I'm not getting expected benchmark results.... and seemingly was better off with a single 2600+ AMD processor.

Hyper-Threading speeds Linux

HyperThreading penalizes the Intel processors when it isn't needed.

Hyper-Threading Performance Analysis

Still searching for why performance is not special on this dual Xeon.....