Oracle on Opteron with Linux-The NUMA Angle (Part V). Introducing numactl(8) and SUMA. Is The Oracle x86_64 Linux Port NUMA Aware? « Kevin Closson’s Oracle Blog: Platform, Storage & Clustering Topics Related to Oracle Databases - http://kevinclosson.wordpress.com/2007...
numactl is a useful little utility for NUMA opteron servers. "Writing memory on the SUMA configuration in the 8 concurrent memhammer case demonstrated latencies on order of 156ns but dropped 38% to 97ns by switching to NUMA and using the Linux 2.6 NUMA API" - Sanjeev Singh