China gains top spot by building fastest super computer: Xi

In a statement Xi extended greetings to all the staff who took part in the development of Tianhe-2, which has a peak performance speed of 54.9 quadrillion operations per second.

China develops world's fastest supercomputer

The Tianhe-2 has a peak performance speed of 54.9 quadrillion operations per second, according to the National University of Defence Technology, which built the computer.