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Pieter Ghysels
Pieter Ghysels
Lawrence Berkeley National Lab, Computational Research, Scalable Solvers Group
Verified email at lbl.gov
Title
Cited by
Cited by
Year
Hiding global synchronization latency in the preconditioned conjugate gradient algorithm
P Ghysels, W Vanroose
Parallel Computing 40 (7), 224-238, 2014
2182014
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
1802016
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
1692016
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
1692012
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—Statistical, Nonlinear, and Soft Matter Physics 81 (6 …, 2010
872010
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
822010
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
602011
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
532009
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
442012
A robust parallel preconditioner for indefinite systems using hierarchical matrices and randomized sampling
P Ghysels, SL Xiaoye, C Gorman, FH Rouet
2017 IEEE International Parallel and Distributed Processing Symposium (IPDPS …, 2017
422017
Butterfly factorization via randomized matrix-vector multiplications
Y Liu, X Xing, H Guo, E Michielssen, P Ghysels, XS Li
SIAM Journal on Scientific Computing 43 (2), A883-A907, 2021
332021
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
322018
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
312020
High performance sparse multifrontal solvers on modern GPUs
P Ghysels, R Synk
Parallel Computing 110, 102897, 2022
302022
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
252015
Sparse approximate multifrontal factorization with butterfly compression for high-frequency wave equations
Y Liu, P Ghysels, L Claus, XS Li
SIAM Journal on Scientific Computing 43 (5), S367-S391, 2021
232021
A parallel hierarchical blocked adaptive cross approximation algorithm
Y Liu, W Sid-Lakhdar, E Rebrova, P Ghysels, XS Li
The International Journal of High Performance Computing Applications 34 (4 …, 2020
232020
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
222010
Scalable and memory-efficient kernel ridge regression
G Chávez, Y Liu, P Ghysels, XS Li, E Rebrova
2020 IEEE International parallel and distributed processing symposium (IPDPS …, 2020
212020
The impact of global communication latency at extreme scales on Krylov methods
TJ Ashby, P Ghysels, W Heirman, W Vanroose
Algorithms and Architectures for Parallel Processing: 12th International …, 2012
192012
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