Pieter Ghysels
Pieter Ghysels
Lawrence Berkeley National Lab, Computational Research, Scalable Solvers Group
Geverifieerd e-mailadres voor lbl.gov
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Hiding global synchronization latency in the preconditioned conjugate gradient algorithm
P Ghysels, W Vanroose
Parallel Computing 40 (7), 224-238, 2014
1452014
Hiding global communication latency in the GMRES algorithm on massively parallel machines
P Ghysels, T Ashby, K Meerbergen, W Vanroose
URL http://www. exascience. com/wp-content/uploads/2012/02 …, 2012
1312012
A distributed-memory package for dense hierarchically semi-separable matrix computations using randomization
FH Rouet, XS Li, P Ghysels, A Napov
ACM Transactions on Mathematical Software (TOMS) 42 (4), 1-35, 2016
1022016
An efficient multicore implementation of a novel HSS-structured multifrontal solver using randomized sampling
P Ghysels, XS Li, FH Rouet, S Williams, A Napov
SIAM Journal on Scientific Computing 38 (5), S358-S384, 2016
962016
Particle-based model to simulate the micromechanics of biological cells
P Van Liedekerke, E Tijskens, H Ramon, P Ghysels, G Samaey, D Roose
Physical Review E 81 (6), 061906, 2010
722010
A particle-based model to simulate the micromechanics of single-plant parenchyma cells and aggregates
P Van Liedekerke, P Ghysels, E Tijskens, G Samaey, B Smeedts, ...
Physical biology 7 (2), 026006, 2010
692010
Mechanisms of soft cellular tissue bruising. A particle based simulation approach
P Van Liedekerke, P Ghysels, E Tijskens, G Samaey, D Roose, H Ramon
Soft Matter 7 (7), 3580-3591, 2011
482011
Multi-scale simulation of plant tissue deformation using a model for individual cell mechanics
P Ghysels, G Samaey, B Tijskens, P Van Liedekerke, H Ramon, D Roose
Physical Biology 6 (1), 016009, 2009
442009
Improving the arithmetic intensity of multigrid with the help of polynomial smoothers
P Ghysels, P Kłosiewicz, W Vanroose
Numerical Linear Algebra with Applications 19 (2), 253-267, 2012
342012
Modeling the performance of geometric multigrid stencils on multicore computer architectures
P Ghysels, W Vanroose
SIAM Journal on Scientific Computing 37 (2), C194-C216, 2015
242015
A robust parallel preconditioner for indefinite systems using hierarchical matrices and randomized sampling
P Ghysels, XS Li, C Gorman, FH Rouet
2017 IEEE International Parallel and Distributed Processing Symposium (IPDPS …, 2017
232017
Multiscale modeling of viscoelastic plant tissue
P Ghysels, G Samaey, P Van Liedekerke, E Tijskens, H Ramon, D Roose
International Journal for Multiscale Computational Engineering 8 (4), 2010
182010
The impact of global communication latency at extreme scales on Krylov methods
TJ Ashby, P Ghysels, W Heirman, W Vanroose
International Conference on Algorithms and Architectures for Parallel …, 2012
152012
A particle based model to simulate plant cells dynamics
PV Liedekerke, P Ghysels, E Tijskens, G Samaey, B Smeedts, D Roose, ...
4th international SPHERIC workshop, Nantes, France, 2009
152009
A study of clustering techniques and hierarchical matrix formats for kernel ridge regression
E Rebrova, G Chávez, Y Liu, P Ghysels, XS Li
2018 IEEE International Parallel and Distributed Processing Symposium …, 2018
132018
Preparing sparse solvers for exascale computing
H Anzt, E Boman, R Falgout, P Ghysels, M Heroux, X Li, ...
Philosophical Transactions of the Royal Society A 378 (2166), 20190053, 2020
82020
Highly scalable distributed-memory sparse triangular solution algorithms
Y Liu, M Jacquelin, P Ghysels, XS Li
2018 Proceedings of the Seventh SIAM Workshop on Combinatorial Scientific …, 2018
72018
Memory access optimization for iterative tomography on many-core architectures
W van Aarle, P Ghysels, J Sijbers, W Vanroose
Proceedings of 12th Int. Meeting on Fully 3D Image Reconstruction in …, 2013
52013
Butterfly factorization via randomized matrix-vector multiplications
Y Liu, X Xing, H Guo, E Michielssen, P Ghysels, XS Li
arXiv preprint arXiv:2002.03400, 2020
42020
Robust and accurate stopping criteria for adaptive randomized sampling in matrix-free hierarchically semiseparable construction
C Gorman, G Chávez, P Ghysels, T Mary, FH Rouet, XS Li
SIAM Journal on Scientific Computing 41 (5), S61-S85, 2019
42019
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Artikelen 1–20