Extending DD-$\hat{I}\pm$AMG on heterogeneous machines

Gustavo Ramirez-Hidalgo, Lianhua He, Ke-Long Zhang

Multigrid solvers are the standard in modern scientific computing simulations. Domain Decomposition Aggregation-Based Algebraic Multigrid, also known as the DD-$\hat{I}\pm$AMG solver, is a…