[ Thanks to Peter Parker for this
link. ]
“The No. 1 position was again claimed by the BlueGene/L System,
a joint development of IBM and the Department of Energy’s (DOE)
National Nuclear Security Administration (NNSA) and installed at
DOE’s Lawrence Livermore National Laboratory in Livermore, Calif.
Although BlueGene/L has occupied the No. 1 position since November
2004, the current system has been significantly expanded and now
achieves a Linpack benchmark performance of now 478.2 TFop/s
(‘teraflops’ or trillions of calculations per second), compared to
280.6 TFlop/s six months ago before its upgrade…”