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03/04/2023
Multi-GPU aggregation-based AMG preconditioner for iterative linear solvers
We present and release in open source format a sparse linear solver whic...
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10/29/2022
Alya towards Exascale: Algorithmic Scalability using PSCToolkit
In this paper, we describe some work aimed at upgrading the Alya code wi...
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12/09/2021
Preconditioning Richards Equations: spectral analysis and parallel solution at very large scale
We consider here a cell-centered finite difference approximation of the ...
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09/20/2021
Network Clustering by Embedding of Attribute-augmented Graphs
In this paper we propose a new approach to detect clusters in undirected...
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06/29/2020
AMG preconditioners for Linear Solvers towards Extreme Scale
Linear solvers for large and sparse systems are a key element of scienti...
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01/27/2020
On the quality of matching-based aggregates for algebraic coarsening of SPD matrices in AMG
In this paper, we discuss a quality measure for an aggregation-based coa...
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07/09/2019