Titan is the second-most-powerful supercomputer in the world.

Supercomputers may be awfully powerful, but in recent years, they haven’t been gaining much strength.

For the fifth consecutive time, China’s Tianhe-2 supercomputer has led the Top500 List of

the world’s most powerful supercomputers. Tianhe-2, which means Milky Way-2 in English,

has a performance rating of 33.86 petaflops per second, which allows it to make quadrillions

of calculations each second.

It means :        A thousand raised to the power of five calculations per second.

The Tianhe-2 is by far the world’s most powerful supercomputer. In the second slot is Titan, a system used by the Department of Energy’s Oak Ride National Laboratory, which is capable of 17.59 petaflops per second. Saudi Arabia made the list with its Shaheen II supercomputer at the King Abdullah University of Science and Technology. It took the seventh spot at 5.536 petaflops per second, making it most powerful Middle East-based supercomputer ever.

Despite losing on the single installation side, the US is still home to the most supercomputers in the world, with 231. While that number is the same as it was in November, the last time the list was released, it’s down from 233 in June 2014 and 265 in November 2013. Europe has 141 supercomputers on the list, up from 130 in November, and Japan and China have 40 and 37 of the world’s most powerful supercomputers, respectively.

The list researchers said that just one system in the top 10 — Shaheen II — was installed in 2015. The leader, Tianhe-2, was powered on in 2013 and all others in the top 10 were installed in 2011 or 2012.

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