Looks like NEC’s Earth Simulator fell off the Top 10 list after topping at #1, now at #14.
Topping the list right now, and still reigning champeen, is the US Dept of Energy site in Livermore, Ca running the BlueGene eServer Blue Gene Solution from IBM with 131,072 processors.
Here’s the rest of the Top ten. Want to know more about how the list is compiled? Here’s the details on the process to determine the who, what and how.