Matthias Bollhöfer

ORCID

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 14

Top Venues

CoRR

J. Comput. Sci.

Appl. Math. Comput.

Concurr. Comput. Pract. Exp.

TU Chemnitz, Germany (PHD)

Education History

TU Chemnitz, Germany

PHD

Publications

Lucas Hermann, Matthias Bollhöfer, Ulrich Römer
Statistical reduced order modelling for the parametric Helmholtz equation. CoRR (2024)
Dimosthenis Pasadakis, Matthias Bollhöfer, Olaf Schenk
Sparse Quadratic Approximation for Graph Learning. IEEE Trans. Pattern Anal. Mach. Intell. 45 (9) (2023)
Aryan Eftekhari, Dimosthenis Pasadakis, Matthias Bollhöfer, Simon Scheidegger, Olaf Schenk
Block-enhanced precision matrix estimation for large-scale datasets. J. Comput. Sci. 53 (2021)
Matthias Bollhöfer, Olaf Schenk, Radim Janalík, Steve Hamm, Kiran Gullapalli
State-of-The-Art Sparse Direct Solvers. CoRR (2019)
Matthias Bollhöfer, Aryan Eftekhari, Simon Scheidegger, Olaf Schenk
Large-scale Sparse Inverse Covariance Matrix Estimation. SIAM J. Sci. Comput. 41 (1) (2019)
Amin Rafiei, Matthias Bollhöfer, Fayssal Benkhaldoun
A block version of left-looking AINV preconditioner with one by one or two by two block pivots. Appl. Math. Comput. 350 (2019)
Matthias Bollhöfer, Olaf Schenk, Fabio Verbosio
High Performance Block Incomplete LU Factorization. CoRR (2019)
Aryan Eftekhari, Matthias Bollhöfer, Olaf Schenk
Distributed memory sparse inverse covariance matrix estimation on high-performance computing architectures. SC (2018)
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Extending ILUPACK with a Task-Parallel Version of BiCG for Dual-GPU Servers. PMAM@PPoPP (2018)
José Ignacio Aliaga, Maria Barreda, Goran Flegar, Matthias Bollhöfer, Enrique S. Quintana-Ortí
Communication in task-parallel ILU-preconditioned CG solvers using MPI + OmpSs. Concurr. Comput. Pract. Exp. 29 (21) (2017)
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
A Data-Parallel ILUPACK for Sparse General and Symmetric Indefinite Linear Systems. Euro-Par Workshops (2016)
Mario Bebendorf, Matthias Bollhöfer, M. Bratsch
On the spectral equivalence of hierarchical matrix preconditioners for elliptic problems. Math. Comput. 85 (302) (2016)
José Ignacio Aliaga, Maria Barreda, Matthias Bollhöfer, Enrique S. Quintana-Ortí
Exploiting Task-Parallelism in Message-Passing Sparse Linear System Solvers Using OmpSs. Euro-Par (2016)
José Ignacio Aliaga, Rosa M. Badia, Maria Barreda, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Exploiting task and data parallelism in ILUPACK's preconditioned CG solver on NUMA architectures and many-core accelerators. Parallel Comput. 54 (2016)
José Ignacio Aliaga, Rosa M. Badia, Maria Barreda, Matthias Bollhöfer, Enrique S. Quintana-Ortí
Leveraging Task-Parallelism with OmpSs in ILUPACK's Preconditioned CG Method. SBAC-PAD (2014)
Amin Rafiei, Behnaz Tolue, Matthias Bollhöfer
Complete pivoting strategy for the left-looking Robust Incomplete Factorization preconditioner. Comput. Math. Appl. 67 (11) (2014)
José Ignacio Aliaga, Matthias Bollhöfer, Ernesto Dufrechou, Pablo Ezzatti, Enrique S. Quintana-Ortí
Leveraging Data-Parallelism in ILUPACK using Graphics Processors. ISPDC (2014)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Exploiting thread-level parallelism in the iterative solution of sparse linear systems. Parallel Comput. 37 (3) (2011)
Amin Rafiei, Matthias Bollhöfer
Robust incomplete factorization for nonsymmetric matrices. Numerische Mathematik 118 (2) (2011)
Aldo Bonfiglioli, Sergio Campobasso, Bruno Carpentieri, Matthias Bollhöfer
A Parallel 3D Unstructured Implicit RANS Solver for Compressible and Incompressible CFD Simulations. PPAM (2) (2011)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Parallelization of Multilevel ILU Preconditioners on Distributed-Memory Multiprocessors. PARA (1) (2010)
Matthias Bollhöfer, Marcus J. Grote, Olaf Schenk
Algebraic Multilevel Preconditioner for the Helmholtz Equation in Heterogeneous Media. SIAM J. Sci. Comput. 31 (5) (2009)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Evaluation of Parallel Sparse Matrix Partitioning Software for Parallel Multilevel ILU Preconditioning on Shared-Memory Multiprocessors. PARCO (2009)
Olaf Schenk, Matthias Bollhöfer, Rudolf A. Römer
On Large-Scale Diagonalization Techniques for the Anderson Model of Localization. SIAM Rev. 50 (1) (2008)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Design, Tuning and Evaluation of Parallel Multilevel ILU Preconditioners. VECPAR (2008)
José Ignacio Aliaga, Matthias Bollhöfer, Alberto F. Martín, Enrique S. Quintana-Ortí
Parallelization of Multilevel Preconditioners Constructed from Inverse-Based ILUs on Shared-Memory Multiprocessors. PARCO (2007)
Iain S. Duff, Michel J. Daydé, Matthias Bollhöfer, Anne E. Trefethen
Topic 10 Parallel Numerical Algorithms. Euro-Par (2007)
Matthias Bollhöfer, Yvan Notay
JADAMILU: a software code for computing selected eigenvalues of large sparse symmetric matrices. Comput. Phys. Commun. 177 (12) (2007)
Olaf Schenk, Matthias Bollhöfer, Rudolf A. Römer
On Large-Scale Diagonalization Techniques for the Anderson Model of Localization. SIAM J. Sci. Comput. 28 (3) (2006)
Matthias Bollhöfer, Yousef Saad
Multilevel Preconditioners Constructed From Inverse-Based ILUs. SIAM J. Sci. Comput. 27 (5) (2006)
Matthias Bollhöfer
A Robust and Efficient ILU that Incorporates the Growth of the Inverse Triangular Factors. SIAM J. Sci. Comput. 25 (1) (2003)
Matthias Bollhöfer, Yousef Saad
A Factored Approximate Inverse Preconditioner with Pivoting. SIAM J. Matrix Anal. Appl. 23 (3) (2002)
Matthias Bollhöfer, Yousef Saad
On the Relations between ILUs and Factored Approximate Inverses. SIAM J. Matrix Anal. Appl. 24 (1) (2002)
Matthias Bollhöfer, Volker Mehrmann
Algebraic Multilevel Methods and Sparse Approximate Inverses. SIAM J. Matrix Anal. Appl. 24 (1) (2002)

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Publication Activity (10 Years)

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Matthias Bollhöfer