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How Red Hat Linux is helping reclaim the fastest supercomputer title for the US

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Linux
Red Hat

All the world's fastest supercomputers now run Linux, so it's no surprise that the US Department of Energy's Summit supercomputer at Oak Ridge National Laboratories runs Linux. Specifically, it runs Red Hat Enterprise Linux (RHEL).

Of course, Summit's 200-petaflop speed -- that's 200 quadrillion (peta-) floating point operations per second (flops) -- comes largely from its hardware. How fast is that? By comparison, China's Sunway TaihuLight, the official fastest supercomputer in the world, according to November 2017's Top 500 list, has a speed of 93.01 petaflops.

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