Is memory latency important for you? Are you an optimizer and wanna make sure you’re really extracting all the juice a PowerLinux server can give you?
Or perhaps you simply want to learn more about lmbench, NUMA, Caches and prefetch?
If any of the above is true, make sure you check the excellent article by Jenifer Hopper called “Untangling memory access measurements – memory latency” that was just published on the PowerLinux developerWorks community.
In a very objective, and very well illustrated way, Jenifer explains in two or three pages the important stuff you need to know to start bragging about how you optimized your PowerLinux “Data Stream Control Register” (your Gentoo-building friends will be jealous)