A matrix-free GPU multigrid method with algebraically consistent coarsening solves Poisson equations on adaptive octrees at second-order accuracy and over 200 million cells per second throughput.
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Matrix-Free Multigrid with Algebraically Consistent Coarsening on Adaptive Octrees
A matrix-free GPU multigrid method with algebraically consistent coarsening solves Poisson equations on adaptive octrees at second-order accuracy and over 200 million cells per second throughput.