IBM and the Department of Energy's Lawrence Livermore National Laboratory <A HREF="http://www.eweek.com/article2/0,1759,2215812,00.asp?kc=EWRSS03119TX1K0000594">took top supercomputer honors.</A> The IBM Blue Gene/L system installed at the DOE research facility, runs at 478.2 teraflops or 478.2 trillion calculations per second, earning it the most powerful system on the Top 500 Super Computer list, which is published twice annually by the University of Mannheim, Germany, the University of Tennessee and the National Energy Research Scientific Computing Center's Lawrence-Berkeley National Laboratory. It was released at the International Supercomputer Conference's in Reno, Nev.