A parallel gravitational N-body kernel

  title={A parallel gravitational N-body kernel},
  author={S. P. Zwart and S. McMillan and D. Groen and A. Gualandris and M. Sipior and W. Vermin},
  • S. P. Zwart, S. McMillan, +3 authors W. Vermin
  • Published 2007
  • Physics, Computer Science, Chemistry
  • ArXiv
  • We describe source code level parallelization for the kira direct gravitational Nbody integrator, the workhorse of the starlab production environment for simulating dense stellar systems. The parallelization strategy, called “j-parallelization”, involves the partition of the computational domain by distributing all particles in the system among the available processors. Partial forces on the particles to be advanced are calculated in parallel by their parent processors, and are then summed in a… CONTINUE READING
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