Explicitly restarted Lanczos algorithms in an MPP environment

DOI10.1016/S0167-8191(99)00005-8zbMath0998.65043OpenAlexW2080280091MaRDI QIDQ1606877

Marek Szularz, J. S. Weston, Maurice Clint

Publication date: 25 July 2002

Published in: Parallel Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0167-8191(99)00005-8

zbMATH Keywords

convergenceeigenvaluesparallel computationLanczos algorithmeigenpaireigenspectrumreorthogonalizationKrylov subspace iterationdeflatationLanczos factorizationlarge sparse real symmetric matricesmassively parallel processor (mpp)restarting schemereverse communication

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Parallel numerical computation (65Y05) Orthogonalization in numerical linear algebra (65F25)

Uses Software

• eigs
• ARPACK

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