The latest MSDN magazine has an article by Stephen Toub, Igor Ostrovsky, and Huseyin Yildiz called "False Sharing" (http://msdn.microsoft.com/... Early in the article the author puts out the argument that memory access patterns are important. And he provides an example. The example (listed below) is a simple program that creates a multi-dimensional array, iterates through it, and displays the time it took. The program first goes through each row and each column of each ......