Reposted from my blog on the Yocto Project site. Go there for more pearls of wisdom and other embedded Linux goodies.
The Intel® Performance Counter Monitor provides sample C++ routines and utilities to estimate the internal resource utilization of the latest Intel® Xeon® and Core™ processors and gain a significant performance boost.
How does a high performance SMP on-a-chip sound to you?
Knights Corner: Open source software stack
For more complete information about compiler optimizations, see our Optimization Notice.