A first benchmark shows Structured-Multiscale Algebraic Multigrid, used algebraically, matches a state-of-the-art adaptive multigrid in FLOPs near the chiral limit in the Schwinger model while requiring less tuning.
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A first look at Structured-Multiscale Algebraic Multigrid for Lattice Field Theory
A first benchmark shows Structured-Multiscale Algebraic Multigrid, used algebraically, matches a state-of-the-art adaptive multigrid in FLOPs near the chiral limit in the Schwinger model while requiring less tuning.