In pictures: Fujitsu K - world's fastest supercomputer

The world's fastest supercomputer, the Fujitsu K, was on show at CEATEC 2011, with Fujitsu giving it centre stage at the company's booth.

The specs of the Fujitsu K are phenomenal. The computer manages to do 8.162 petaflops of workload and dwarfs its nearest rival by almost four to one.

Although Fujitsu had hoped that the computer would be able to do 10 petaflops by 2012, this won't be the case but it's still a staggering piece of kit.

A Fujitsu spokesperson told TechRadar that the system is comprised of 800 racks that are slanted to aid cooling.

There's 100 CPUs per rack and the computer can do around 8.2 quadrillion calculations – which beats Rain Man hands down.

The computer was ranked first of 500 supercomputers back in June – at the 26th International Supercomputing Conference held in Hamburg, Germany – and looks set to be used by the government of Japan some time in the near future, to help with the country's IT infrastructure.

We were going to ask Fujitsu whether the K would be able to play Crysis but then we looked at the thing and decided against it.

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GM Says Buick Regal Has Fastest Processor of Any Car

We just caught wind that GM is now talking about processing power on their new cars! GM stated in a press released that the 2011 Buick Regal’s Ecotec 2.0L engine microcontroller is the fastest in the industry. The company said that the 32-bit chip can do 125 million operations per second and that it features three megabytes of integrated flash memory. For the Regal driver, this means more precise fuel delivery for the best-possible fuel economy, emissions and performance. GM even said that their microcontroller has some similarities with the central processor unit (CPU) in a home computer but is optimized specially for engine control. We aren't sure about overclocking, but down the road we are sure that you'll be able to do more with these Engine Control Modules (ECM) that each and every modern car contains.

“The ECM’s microcontroller executes the commands such as when to inject fuel into the engine’s combustion chambers,” said Karla Wallace, GM senior manager, global powertrain electronics engineering. “The software executed by the microcontroller comes from almost a million lines of code developed by GM and uses over 300 kilobytes of calibration data.”