MPI-enabled WaterLily.jl shows near-ideal strong scaling and >96% inter-node weak efficiency to 1B cells, with adaptive RBGS multigrid plus anisotropic coarsening cutting Poisson cost several-fold.
Distributed Parallelization of xPU Sten- cil Computations in Julia,
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Scaling WaterLily.jl with MPI and an improved geometric multigrid solver
MPI-enabled WaterLily.jl shows near-ideal strong scaling and >96% inter-node weak efficiency to 1B cells, with adaptive RBGS multigrid plus anisotropic coarsening cutting Poisson cost several-fold.