You may also be interested in the Energy-Efficient Software Checklist
Execution can be sped up by taking advantage of multiple threads and cores leading to increased idle time, which in its turn leads to energy savings.
A few days ago (October 12, 2011) a post was made by Andy to the Threading on Intel® Parallel Architectures forum titled:
by John Sharp
Content Master Ltd
Intel® VTune™ Amplifier XE Tuning Guides
Our tuning guides explain how to identify common software performance issues using VTune Amplifier XE, and give suggestions for optimization.