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Pieter Ghysels
Pieter Ghysels
Lawrence Berkeley National Lab, Computational Research, Scalable Solvers Group
Geverifieerd e-mailadres voor lbl.gov
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Jaar
Hiding global synchronization latency in the preconditioned conjugate gradient algorithm
P Ghysels, W Vanroose
Parallel Computing 40 (7), 224-238, 2014
2112014
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
1672016
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
1632012
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
1592016
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
852010
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
812010
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
572011
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
522009
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
432012
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
402017
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
282020
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
282018
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
262015
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
252021
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
212010
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
192020
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
182021
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
182012
High performance sparse multifrontal solvers on modern GPUs
P Ghysels, R Synk
Parallel Computing 110, 102897, 2022
172022
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
172020
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Artikelen 1–20