Tianhe-2 is being assembled and tested at China's National University for Defense Technology (NUDT), and is scheduled to arrive in the National Supercomputer Center in Guangzhou before the end of this year. Once operational, Tianhe-2 "will provide an open platform for research and education and provide high performance computing service for southern China," Dongarra wrote.

It is not yet known whether he had sent the computers data for the list.

Tianhe-2 is built with Intel Ivy Bridge and Xeon Phi processors. "There are 32,000 Intel Ivy Bridge Xeon sockets and 48,000 Xeon Phi boards for a total of 3,120,000 cores," Dongarra wrote. It has storage of 12.4PB and memory totaling 1.4PB. NUDT built its own proprietary interconnect which Dongarra describes as "an optoelectronics hybrid transport technology" that "uses a fat tree topology with 13 switches each of 576 ports at the top level." Tianhe-2 runs in Kylin Linux.

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