The world's fastest commercial supercomputer has been launched by computer giant IBM.Blue Gene/P is three times more potent than the current fastest machine, BlueGene/L, also built by IBM.
The latest number cruncher is capable of operating at so called "petaflop" speeds - the equivalent of 1,000 trillion calculations per second.
Approximately 100,000 times more powerful than a PC, the first machine has been bought by the US government.
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