China's Tianhe-2 has retained its crown as the world's most powerful supercomputer, according to the newly-released Top 500 list.

File Photo of Tianhe-2, the world's most powerful supercomputer. [Photo: dzwww.com]

The list, published twice a year, is closely watched as an indicator of the status of development and investment in high-performance computing around the world.

Tianhe-2, or Milky Way-2, has now topped the list five times in a row since becoming operational in 2013.

Lu Kai, the vice chief of Tianhe-2's development team, said: "Tianhe-2 was designed by a team of Chinese National University of Defense Technology, and the system is world leading in terms of bandwidth."

Tianhe-2 is one of three supercomputers funded by the Chinese government in an attempt to build an exaflop supercomputer, or a machine capable of processing a million trillion calculations per second.

It is now located at the National Supercomputer Center in south China's Guangdong Province.

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