Design for U.S. exascale computer takes shape

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Science  09 Feb 2018:
Vol. 359, Issue 6376, pp. 617-618
DOI: 10.1126/science.359.6376.617

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After dominating the supercomputing rankings for decades, supercomputing researchers in the United States have been playing catch-up behind China for much of this decade. Now, they are poised to reclaim the top spot. Engineers at Oak Ridge National Laboratory in Tennessee are nearing completion of Summit, a supercomputer capable of carrying out 200 million billion calculations per second, or 200 petaflops. Another team at Argonne National Laboratory in Lemont, Illinois, is also gearing to build a 1000-petaflop, or 1-exaflop, machine in 2021. The race to exascale is expected to be tight, with China, Japan, and the European Union also pursuing supercomputing's next major crown.