Pieter Ghysels
Pieter Ghysels
Lawrence Berkeley National Lab, Computational Research, Scalable Solvers Group
Adresse e-mail validée de lbl.gov
TitreCitée parAnnée
Hiding global synchronization latency in the preconditioned conjugate gradient algorithm
P Ghysels, W Vanroose
Parallel Computing 40 (7), 224-238, 2014
1152014
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
1072012
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
712016
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), 27, 2016
692016
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
662010
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
642010
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
432011
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
422009
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
322012
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
182015
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
162010
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
152017
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
132012
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
122009
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
72018
Comparative Performance Analysis of Coarse Solvers for Algebraic Multigrid on Multicore and Manycore Architectures
A Druinsky, P Ghysels, XS Li, O Marques, S Williams, A Barker, D Kalchev, ...
International Conference on Parallel Processing and Applied Mathematics, 116-127, 2015
42015
Memory access optimization for iterative tomography on many-core architectures
W van Aarle, P Ghysels, J Sijbers, W Vanroose
The 12th International Meeting on Fully Three-Dimensional Image …, 2013
42013
Using fast and accurate simulation to explore hardware/software trade-offs in the multi-core era
W Heirman, T Carlson, S Sarkar, P Ghysels, W Vanroose, L Eeckhout
2011 International conference on Parallel Computing (ParCo 2011), 2011
42011
A multi-level preconditioned Krylov method for the efficient solution of algebraic tomographic reconstruction problems
S Cools, P Ghysels, W van Aarle, J Sijbers, W Vanroose
Journal of Computational and Applied Mathematics 283, 1-16, 2015
32015
Hiding global communication latency and increasing the arithmetic intensity in extreme-scale Krylov solvers
W Vanroose, P Ghysels, K Meerbergen, D Roose
DOE Workshop on Applied Mathematics Research for Exascale Computing, Date …, 2013
32013
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