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Performance and Algorithms Research

Reference Implementation

A detailed description of the reference MPI+OpenMP implementation is forthcoming.

  • introduction to finite volume representations and geometric multigrid
  • boxes
  • levels
  • blocks
  • ghost zone (halo) exchanges
  • stencils and intra-level operators
  • restriction, prolongation (interpolation), and inter-level operators
  • U-Cycles, V-Cycles, and F-Cycles (FMG)
  • timers and understanding the output
  • alternate smoothers
  • alternate operators and discretizations
  • alternate boundary conditions
  • alternate coarse-grid solvers