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Top500 Supercomputer Race Hits a Slow Patch

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Chinese supercomputer Tianhe-2

Chinese supercomputer Tianhe-2 maintains its top spot in a list of the 500 most powerful supercomputers by performing more than 33 quadrillion calculations per second.

Credit: Jack Dongarra

The performance of the world's fastest computers has been steadily growing for two decades, but the latest tally of their collective performance shows slowing progress.

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