Fujitsu drops SPARC, turns to ARM for Post-K supercomputer

Alternative chip architectures are taking some thunder away from Intel's x86 at this week's International Supercomputing Conference in Frankfurt.China's TaihuLight, which was ranked the world's fastest supercomputer,  has a homegrown chip. And the ARM architecture, which dominates mobile-device chips, will appear in Fujitsu's next flagship supercomputer.The Fujitsu system, called Post-K, will succeed the K computer that is No. 5 on the Top500 list of the world's fastest supercomputers.Post-