Block low‐rank single precision coarse grid solvers for extreme scale multigrid methods

DOI10.1002/nla.2407OpenAlexW3015660399MaRDI QIDQ5071626

Markus Q. Huber, Theo A. Mary, Alfredo Buttari, Philippe Leleux, Ulrich Rüde, Barbara I. Wohlmuth

Publication date: 22 April 2022

Published in: Numerical Linear Algebra with Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/nla.2407

zbMATH Keywords

high-performance computingMUMPSsparse direct solverhierarchical hybrid gridsblock low-rankefficient coarse level solver

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55)

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