Combining sparse approximate factorizations with mixed-precision iterative refinement

DOI10.1145/3582493MaRDI QIDQ6599996

Alfredo Buttari, Jean-Yves L'Excellent, Patrick R. Amestoy, Unnamed Author, Nicholas J. Higham, Theo A. Mary

Publication date: 6 September 2024

Published in: ACM Transactions on Mathematical Software (Search for Journal in Brave)

zbMATH Keywords

linear systempreconditioningparallelismGMRESmultifrontal methodfloating-point arithmeticrounding error analysisiterative refinementmultiple precisionmixed precisionsparse direct solver

Mathematics Subject Classification ID

Numerical analysis (65-XX)

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