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On the scalability of inexact balancing domain decomposition by constraints with overlapped coarse/fine corrections

Autor
Badia, S.; Martín, A. F.; Principe, J.
Tipus d'activitat
Article en revista
Revista
Parallel computing
Data de publicació
2015-12
Volum
50
Pàgina inicial
1
Pàgina final
24
DOI
https://doi.org/10.1016/j.parco.2015.09.004 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/79495 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0167819115001180 Obrir en finestra nova
Resum
In this work, we analyze the scalability of inexact two-level balancing domain decomposition by constraints (BDDC) preconditioners for Krylov subspace iterative solvers, when using a highly scalable asynchronous parallel implementation where fine and coarse correction computations are overlapped in time. This way, the coarse-grid problem can be fully overlapped by fine-grid computations (which are embarrassingly parallel) in a wide range of cases. Further, we consider inexact solvers to reduce t...
Citació
Badia, S., Martín, A. F., Principe, J. On the scalability of inexact balancing domain decomposition by constraints with overlapped coarse/fine corrections. "Parallel computing", Desembre 2015, vol. 50, p. 1-24.
Paraules clau
BDDC, Domain decomposition, Inexact solvers, Overlapping, Parallelization, Scalability
Grup de recerca
(MC)2 - UPC Mecànica de Medis Continus i Computacional
ANiComp - Anàlisi numèrica i computació científica

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