Wim Vanroose

Publication Activity (10 Years)

Years Active: 2007-2023
Publications (10 Years): 28

Top Topics

Numerically Stable

Conjugate Gradient

Top Venues

SIAM J. Sci. Comput.

J. Comput. Phys.

J. Comput. Appl. Math.

Publications

Bas Symoens, Wim Vanroose
Residual QPAS subspace (ResQPASS) algorithm for bounded-variable least squares (BVLS) with superlinear Krylov convergence. CoRR (2023)
Jacob Snoeijer, Wim Vanroose
Solving for the low-rank tensor components of a scattering wave function. CoRR (2022)
Olaf Schenk, Peter Arbenz, Luc Giraud, Wim Vanroose
Guest editorial: Virtual special issue on parallel matrix algorithms and applications (PMAA'18). Parallel Comput. 102 (2021)
Jeffrey Cornelis, Wim Vanroose
Sequential Projected Newton method for regularization of nonlinear least squares problems. CoRR (2021)
Wim Vanroose, Jeffrey Cornelis
-norm. CoRR (2021)
Emmanuel Agullo, Siegfried Cools, Emrullah Fatih Yetkin, Luc Giraud, Nick Schenkels, Wim Vanroose
On Soft Errors in the Conjugate Gradient Method: Sensitivity and Robust Numerical Detection. SIAM J. Sci. Comput. 42 (6) (2020)
Koen Ruymbeek, Wim Vanroose
Algorithm for the reconstruction of dynamic objects in CT-scanning using optical flow. J. Comput. Appl. Math. 367 (2020)
Jeffrey Cornelis, Wim Vanroose
regularization. CoRR (2020)
Siegfried Cools, Jeffrey Cornelis, Wim Vanroose
Numerically Stable Recurrence Relations for the Communication Hiding Pipelined Conjugate Gradient Method. IEEE Trans. Parallel Distributed Syst. 30 (11) (2019)
Siegfried Cools, Jeffrey Cornelis, Pieter Ghysels, Wim Vanroose
Improving strong scaling of the Conjugate Gradient method for solving large linear systems using global reduction pipelining. CoRR (2019)
Michiel Van Dyck, Xavier Woot de Trixhe, An Vermeulen, Wim Vanroose
A Robust Simulator for Physiologically Structured Population Models. IEEE ACM Trans. Comput. Biol. Bioinform. 16 (3) (2019)
Nick Schenkels, Wim Vanroose
Regula falsi based automatic regularization method for PDE constrained optimization. J. Comput. Appl. Math. 348 (2019)
Jeffrey Cornelis, Nick Schenkels, Wim Vanroose
Projected Newton Method for noise constrained Tikhonov regularization. CoRR (2019)
Jonas Thies, Michiel Wouters, Rebekka-Sarah Hennig, Wim Vanroose
Towards Scalable Automatic Exploration of Bifurcation Diagrams for Large-Scale Applications. ENUMATH (2019)
Siegfried Cools, Jeffrey Cornelis, Wim Vanroose
Numerically Stable Recurrence Relations for the Communication Hiding Pipelined Conjugate Gradient Method. CoRR (2019)
Michiel Wouters, Wim Vanroose
Automatic Exploration Techniques of Numerical Bifurcation Diagrams Illustrated by the Ginzburg-Landau Equation. SIAM J. Appl. Dyn. Syst. 18 (4) (2019)
Jeffrey Cornelis, Siegfried Cools, Wim Vanroose
The Communication-Hiding Conjugate Gradient Method with Deep Pipelines. CoRR (2018)
Siegfried Cools, Emrullah Fatih Yetkin, Emmanuel Agullo, Luc Giraud, Wim Vanroose
Analyzing the Effect of Local Rounding Error Propagation on the Maximal Attainable Accuracy of the Pipelined Conjugate Gradient Method. SIAM J. Matrix Anal. Appl. 39 (1) (2018)
Siegfried Cools, Wim Vanroose
On Parallel Performance and Numerical Stability of Pipelined Conjugate Gradients. PARCO (2017)
Simplice Donfack, Patrick Sanan, Olaf Schenk, Bram Reps, Wim Vanroose
A High Arithmetic Intensity Krylov Subspace Method Based on Stencil Compiler Programs. HPCSE (2017)
Siegfried Cools, Wim Vanroose
The communication-hiding pipelined BiCGstab method for the parallel solution of large unsymmetric linear systems. Parallel Comput. 65 (2017)
Valdemar Melicher, Tom Haber, Wim Vanroose
Fast derivatives of likelihood functionals for ODE based models using adjoint-state method. Comput. Stat. 32 (4) (2017)
Siegfried Cools, Wim Vanroose
Numerically Stable Variants of the Communication-hiding Pipelined Conjugate Gradients Algorithm for the Parallel Solution of Large Scale Symmetric Linear Systems. CoRR (2017)
Siegfried Cools, Wim Vanroose
A fast and robust computational method for the ionization cross sections of the driven Schrödinger equation using an O(N) multigrid-based scheme. J. Comput. Phys. 308 (2016)
Siegfried Cools, Wim Vanroose, Emrullah Fatih Yetkin, Emmanuel Agullo, Luc Giraud
On rounding error resilience, maximal attainable accuracy and parallel performance of the pipelined Conjugate Gradients method for large-scale linear systems in PETSc. EASC (2016)
Siegfried Cools, Wim Vanroose
The communication-hiding pipelined BiCGStab method for the efficient parallel solution of large unsymmetric linear systems. CoRR (2016)
Ynte Vanderhoydonc, Wim Vanroose
Constrained Runs Algorithm as a Lifting Operator for the One-Dimensional in Space Boltzmann Equation with BGK Collision Term. Multiscale Model. Simul. 14 (4) (2016)
Emmanuel Agullo, Siegfried Cools, Luc Giraud, A. Moreau, Pablo Salas, Wim Vanroose, Emrullah Fatih Yetkin, Mawussi Zounon
Hard Faults and Soft-Errors: Possible Numerical Remedies in Linear Algebra Solvers. VECPAR (2016)
Pieter Ghysels, Wim Vanroose
Modeling the Performance of Geometric Multigrid Stencils on Multicore Computer Architectures. SIAM J. Sci. Comput. 37 (2) (2015)
Siegfried Cools, Pieter Ghysels, Wim van Aarle, Jan Sijbers, Wim Vanroose
A multi-level preconditioned Krylov method for the efficient solution of algebraic tomographic reconstruction problems. J. Comput. Appl. Math. 283 (2015)
Lubomír Ríha, Tomás Brzobohatý, Alexandros Markopoulos, Tomás Kozubek, Ondrej Meca, Olaf Schenk, Wim Vanroose
Efficient Implementation of Total FETI Solver for Graphic Processing Units Using Schur Complement. HPCSE (2015)
Delphine Draelants, Przemyslaw Klosiewicz, Jan Broeckhove, Wim Vanroose
Solving General Auxin Transport Models with a Numerical Continuation Toolbox in Python: PyNCT. HSB (2015)
Ynte Vanderhoydonc, Wim Vanroose
Initialization of lattice Boltzmann models with the help of the numerical Chapman-Enskog expansion. CoRR (2014)
Pieter Ghysels, Wim Vanroose
Hiding global synchronization latency in the preconditioned Conjugate Gradient algorithm. Parallel Comput. 40 (7) (2014)
Siegfried Cools, Bram Reps, Wim Vanroose
An Efficient Multigrid Calculation of the Far Field Map for Helmholtz and Schrödinger Equations. SIAM J. Sci. Comput. 36 (3) (2014)
Siegfried Cools, Bram Reps, Wim Vanroose
A new level-dependent coarse grid correction scheme for indefinite Helmholtz problems. Numer. Linear Algebra Appl. 21 (4) (2014)
Ynte Vanderhoydonc, Wim Vanroose
Constrained Runs algorithm as a lifting operator for the Boltzmann equation. CoRR (2014)
Siegfried Cools, Wim Vanroose
Local Fourier analysis of the complex shifted Laplacian preconditioner for Helmholtz problems. Numer. Linear Algebra Appl. 20 (4) (2013)
Ynte Vanderhoydonc, Wim Vanroose
Initialization of Lattice Boltzmann Models with the Help of the Numerical Chapman-Enskog Expansion. ICCS (2013)
Yuriy Bidasyuk, Wim Vanroose
Improved convergence of scattering calculations in the oscillator representation. J. Comput. Phys. 234 (2013)
Pieter Ghysels, Thomas J. Ashby, Karl Meerbergen, Wim Vanroose
Hiding Global Communication Latency in the GMRES Algorithm on Massively Parallel Machines. SIAM J. Sci. Comput. 35 (1) (2013)
Nico Schlömer, Wim Vanroose
An optimal linear solver for the Jacobian system of the extreme type-II Ginzburg-Landau problem. J. Comput. Phys. 234 (2013)
Pieter Ghysels, Przemyslaw Klosiewicz, Wim Vanroose
Improving the arithmetic intensity of multigrid with the help of polynomial smoothers. Numer. Linear Algebra Appl. 19 (2) (2012)
Nico Schlömer, Daniele Avitabile, Wim Vanroose
Numerical Bifurcation Study of Superconducting Patterns on a Square. SIAM J. Appl. Dyn. Syst. 11 (1) (2012)
Ynte Vanderhoydonc, Wim Vanroose
Numerical Extraction of a Macroscopic PDE and a Lifting Operator from a Lattice Boltzmann Model. Multiscale Model. Simul. 10 (3) (2012)
Siegfried Cools, Bram Reps, Wim Vanroose
An efficient multigrid method calculation of the far field map for Helmholtz problems CoRR (2012)
Bram Reps, Wim Vanroose
Analyzing the wave number dependency of the convergence rate of a multigrid preconditioned Krylov method for the Helmholtz equation with an absorbing layer. Numer. Linear Algebra Appl. 19 (2) (2012)
Thomas J. Ashby, Pieter Ghysels, Wim Heirman, Wim Vanroose
The Impact of Global Communication Latency at Extreme Scales on Krylov Methods. ICA3PP (1) (2012)
Wim Heirman, Trevor E. Carlson, Souradip Sarkar, Pieter Ghysels, Wim Vanroose, Lieven Eeckhout
Using Fast and Accurate Simulation to Explore Hardware/Software Trade-offs in the Multi-Core Era. PARCO (2011)
Ynte Vanderhoydonc, Wim Vanroose
Numerical extraction of a macroscopic pde and a lifting operator from a lattice Boltzmann model CoRR (2011)
Ynte Vanderhoydonc, Wim Vanroose
Lifting in hybrid lattice Boltzmann and PDE models. Comput. Vis. Sci. 14 (2) (2011)
Hisham Bin Zubair, Bram Reps, Wim Vanroose
A preconditioned iterative solver for the scattering solutions of the Schrödinger equation CoRR (2010)
Bram Reps, Wim Vanroose, Hisham Bin Zubair
On the indefinite Helmholtz equation: Complex stretched absorbing boundary layers, iterative analysis, and preconditioning. J. Comput. Phys. 229 (22) (2010)
Wim Vanroose, Bram Reps, Hisham Bin Zubair
A polynomial multigrid smoother for the iterative solution of the heterogeneous Helmholtz problem CoRR (2010)
Giovanni Samaey, Wim Vanroose
An Analysis of Equivalent Operator Preconditioning for Equation-Free Newton-Krylov Methods. SIAM J. Numer. Anal. 48 (2) (2010)
Jan Broeckhove, Przemyslaw Klosiewicz, Wim Vanroose
Applying numerical continuation to the parameter dependence of solutions of the Schrödinger equation. J. Comput. Appl. Math. 234 (4) (2010)
Przemyslaw Klosiewicz, Jan Broeckhove, Wim Vanroose
Using pseudo-arclength continuation to trace the resonances of the Schrödinger equation. Comput. Phys. Commun. 180 (4) (2009)
Bram Reps, Wim Vanroose, Hisham Bin Zubair
On the indefinite Helmholtz equation: exterior complex scaled absorbing boundary layers, iterative analysis, and preconditioning CoRR (2009)
Pieter Van Leemput, Wim Vanroose, Dirk Roose
Mesoscale Analysis of the Equation-Free Constrained Runs Initialization Scheme. Multiscale Model. Simul. 6 (4) (2008)
Pieter Van Leemput, Christophe Vandekerckhove, Wim Vanroose, Dirk Roose
Accuracy of Hybrid Lattice Boltzmann/Finite Difference Schemes for Reaction-Diffusion Systems. Multiscale Model. Simul. 6 (3) (2007)