China's secretive super-fast chip powers the world's fastest computer

Fifteen years ago, China decided to build homegrown processors for PCs, servers, and supercomputers. Now the country's latest chip is powering the world's fastest computer.The Sunway TaihuLight at the National Supercomputing Center in Wuxi, China, was ranked as the world's fastest supercomputer on a Top500 list published on Monday. It runs on a homegrown ShenWei processor and is capable of 93 petaflops (million billion floating point operations per second) of sustained performance. Its peak