Octo-Tiger, a stellar-merger hydrodynamics code built on the HPX runtime, scaled to 5,400 nodes on Piz Daint and achieved up to a 2.8x speedup by switching from MPI to a libfabric communication backend.
2016.Task-based fast multipole method for clusters of multicore processors
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From Piz Daint to the Stars: Simulation of Stellar Mergers using High-Level Abstractions
Octo-Tiger, a stellar-merger hydrodynamics code built on the HPX runtime, scaled to 5,400 nodes on Piz Daint and achieved up to a 2.8x speedup by switching from MPI to a libfabric communication backend.