Matthias Bollhöfer

39 papers A 1C 2Journal 25Unranked 9
YearRankTypeTitle / Venue / Authors
2026 J jnl
Parallel Quadratic Selected Inversion in Quantum Transport Simulation.
CoRR
Vincent Maillou, Matthias Bollhöfer, Olaf Schenk, Alexandros Nikolaos Ziogas, Mathieu Luisier
2024 J jnl
Algorithm 1042: Sparse Precision Matrix Estimation with SQUIC.
ACM Trans. Math. Softw.
Aryan Eftekhari, Lisa Gaedke-Merzhäuser, Dimosthenis Pasadakis, Matthias Bollhöfer, Simon Scheidegger, Olaf Schenk
2024 J jnl
Efficient low rank model order reduction of vibroacoustic problems under stochastic loads.
CoRR
Yannik Hüpel, Ulrich Römer, Matthias Bollhöfer, Sabine C. Langer
2024 J jnl
Statistical reduced order modelling for the parametric Helmholtz equation.
CoRR
Lucas Hermann, Matthias Bollhöfer, Ulrich Römer
2023 J jnl
Sparse Quadratic Approximation for Graph Learning.
IEEE Trans. Pattern Anal. Mach. Intell.
Dimosthenis Pasadakis, Matthias Bollhöfer, Olaf Schenk
2021 J jnl
Block-enhanced precision matrix estimation for large-scale datasets.
J. Comput. Sci.
Aryan Eftekhari, Dimosthenis Pasadakis, Matthias Bollhöfer, Simon Scheidegger, Olaf Schenk
2019 J jnl
A block version of left-looking AINV preconditioner with one by one or two by two block pivots.
Appl. Math. Comput.
Amin Rafiei, Matthias Bollhöfer, Fayssal Benkhaldoun
2019 J jnl
High Performance Block Incomplete LU Factorization.
CoRR
Matthias Bollhöfer, Olaf Schenk, Fabio Verbosio
2019 J jnl
Large-scale Sparse Inverse Covariance Matrix Estimation.
SIAM J. Sci. Comput.
Matthias Bollhöfer, Aryan Eftekhari, Simon Scheidegger, Olaf Schenk
2019 J jnl
State-of-The-Art Sparse Direct Solvers.
CoRR
Matthias Bollhöfer, Olaf Schenk, Radim Janalík, Steve Hamm, Kiran Gullapalli
2018 A conf
Distributed memory sparse inverse covariance matrix estimation on high-performance computing architectures.
SC
Aryan Eftekhari, Matthias Bollhöfer, Olaf Schenk
2018 — conf
Extending ILUPACK with a Task-Parallel Version of BiCG for Dual-GPU Servers.
PMAM@PPoPP
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
2017 J jnl
Communication in task-parallel ILU-preconditioned CG solvers using MPI + OmpSs.
Concurr. Comput. Pract. Exp.
José Ignacio Aliaga, Maria Barreda, Goran Flegar, Matthias Bollhöfer, Enrique S. Quintana-Ortí
2016 — conf
A Data-Parallel ILUPACK for Sparse General and Symmetric Indefinite Linear Systems.
Euro-Par Workshops
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
2016 — conf
Exploiting Task-Parallelism in Message-Passing Sparse Linear System Solvers Using OmpSs.
Euro-Par
José Ignacio Aliaga, Maria Barreda, Matthias Bollhöfer, Enrique S. Quintana-Ortí
2016 J jnl
Exploiting task and data parallelism in ILUPACK's preconditioned CG solver on NUMA architectures and many-core accelerators.
Parallel Comput.
José Ignacio Aliaga, Rosa M. Badia, Maria Barreda, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
2016 J jnl
On the spectral equivalence of hierarchical matrix preconditioners for elliptic problems.
Math. Comput.
Mario Bebendorf, Matthias Bollhöfer, M. Bratsch
2014 J jnl
Complete pivoting strategy for the left-looking Robust Incomplete Factorization preconditioner.
Comput. Math. Appl.
Amin Rafiei, Behnaz Tolue, Matthias Bollhöfer
2014 C conf
Leveraging Data-Parallelism in ILUPACK using Graphics Processors.
ISPDC
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
2014 C conf
Leveraging Task-Parallelism with OmpSs in ILUPACK's Preconditioned CG Method.
SBAC-PAD
José Ignacio Aliaga, Rosa M. Badia, Maria Barreda, Matthias Bollhöfer, Enrique S. Quintana-Ortí
2011 — conf
A Parallel 3D Unstructured Implicit RANS Solver for Compressible and Incompressible CFD Simulations.
PPAM (2)
Aldo Bonfiglioli, Sergio Campobasso, Bruno Carpentieri, Matthias Bollhöfer
2011 J jnl
Exploiting thread-level parallelism in the iterative solution of sparse linear systems.
Parallel Comput.
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
2011 — ch.
ILUPACK.
Encyclopedia of Parallel Computing
Matthias Bollhöfer, José Ignacio Aliaga, Alberto F. Martín, Enrique S. Quintana-Ortí
2011 J jnl
Robust incomplete factorization for nonsymmetric matrices.
Numerische Mathematik
Amin Rafiei, Matthias Bollhöfer
2010 — conf
Parallelization of Multilevel ILU Preconditioners on Distributed-Memory Multiprocessors.
PARA (1)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
2009 J jnl
Algebraic Multilevel Preconditioner for the Helmholtz Equation in Heterogeneous Media.
SIAM J. Sci. Comput.
Matthias Bollhöfer, Marcus J. Grote, Olaf Schenk
2009 — conf
Evaluation of Parallel Sparse Matrix Partitioning Software for Parallel Multilevel ILU Preconditioning on Shared-Memory Multiprocessors.
PARCO
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
2008 — conf
Design, Tuning and Evaluation of Parallel Multilevel ILU Preconditioners.
VECPAR
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
2008 J jnl
On Large-Scale Diagonalization Techniques for the Anderson Model of Localization.
SIAM Rev.
Olaf Schenk, Matthias Bollhöfer, Rudolf A. Römer
2007 J jnl
JADAMILU: a software code for computing selected eigenvalues of large sparse symmetric matrices.
Comput. Phys. Commun.
Matthias Bollhöfer, Yvan Notay
2007 — conf
Parallelization of Multilevel Preconditioners Constructed from Inverse-Based ILUs on Shared-Memory Multiprocessors.
PARCO
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
2007 — conf
Topic 10 Parallel Numerical Algorithms.
Euro-Par
Iain S. Duff, Michel J. Daydé, Matthias Bollhöfer, Anne E. Trefethen
2006 J jnl
Multilevel Preconditioners Constructed From Inverse-Based ILUs.
SIAM J. Sci. Comput.
Matthias Bollhöfer, Yousef Saad
2006 J jnl
On Large-Scale Diagonalization Techniques for the Anderson Model of Localization.
SIAM J. Sci. Comput.
Olaf Schenk, Matthias Bollhöfer, Rudolf A. Römer
2003 J jnl
A Robust and Efficient ILU that Incorporates the Growth of the Inverse Triangular Factors.
SIAM J. Sci. Comput.
Matthias Bollhöfer
2002 J jnl
A Factored Approximate Inverse Preconditioner with Pivoting.
SIAM J. Matrix Anal. Appl.
Matthias Bollhöfer, Yousef Saad
2002 J jnl
Algebraic Multilevel Methods and Sparse Approximate Inverses.
SIAM J. Matrix Anal. Appl.
Matthias Bollhöfer, Volker Mehrmann
2002 J jnl
On the Relations between ILUs and Factored Approximate Inverses.
SIAM J. Matrix Anal. Appl.
Matthias Bollhöfer, Yousef Saad
1998 — —
Algebraic domain decomposition.
Matthias Bollhöfer