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Star Crash: Artificial Intelligence on XSEDE Systems Is Key to Speeding Simulations of Neutron Star Mergers

Collisions between neutron stars involve some of the most extreme physics in the Universe. The intense effects of vast matter density and magnetic fields make them computation-hungry to simulate. A team from the National Center for Supercomputing Applications (NCSA) used artificial intelligence on the advanced graphics-processing-unit (GPU) nodes of the XSEDE-allocated supercomputers Bridges at the Pittsburgh Supercomputing Center (PSC) as well as Stampede2 at the Texas Advanced Computing Center (TACC) to obtain a correction factor that will allow much faster, less detailed simulations to produce accurate predictions of these mergers.

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