Chinese researchers have built the world’s fastest supercomputer, which is almost 50 percent more powerful than its predecessor.

The Tianhe-1A, based at the National University of Defense Technology (NUDT) in China, can perform over 2.5 thousand trillion floating point operations per second (petaflops).

Professor Jack Dongarra, who is a member of the Top500 supercomputer ranking project, told ZDNet UK on Friday that he had been present when NUDT tested the Tianhe-1A supercomputer at the National Supercomputer Center in Tianjin last week.

“I can verify this as of today,” wrote Dongarra in an email on Friday. “I was at the supercomputer centre last week. They used the Linpack benchmark or a program we have called HPL. The benchmark was run last week. Rmax is 2.507 [petaflops] and Rpeak is 4.701 [petaflops].”

China builds world's fastest supercomputer