A US supercomputer called Roadrunner has been switched off by the Los Alamos National Laboratory in New Mexico. The machine was the first to operate at "petaflop pace" - the equivalent of 1,000 ...

IBM's mammoth Roadrunner recently broke the petaflop barrier and is billed as the faster computer in the world. The supercomputer was built for the Department of Energy's National Nuclear Security ...

IBM's new super computer, Roadrunner, is billed at the fastest in the world, operating at one petaflop or one thousand trillion calculations per second. The speed demon was built for the ...

The world's second fastest supercomputer — it used to be the fastest, before its rival machine came online earlier this month — has created the most complex computer simulation of the universe ...