Luke Olson

20052020
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Algebraic multigrid Mathematics
Least-squares Finite Element Method Mathematics
Linear systems Engineering & Materials Science
Algebraic multigrid Method Mathematics
Finite element method Engineering & Materials Science
Partial differential equations Engineering & Materials Science
Poisson-Boltzmann Equation Mathematics
Grid Mathematics

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Research Output 2005 2020

  • 37 Article
  • 10 Conference contribution
  • 1 Chapter
  • 1 Conference article

FFT, FMM, and multigrid on the road to exascale: Performance challenges and opportunities

Ibeid, H., Olson, L. & Gropp, W., Feb 2020, In : Journal of Parallel and Distributed Computing. 136, p. 63-74 12 p.

Research output: Contribution to journalArticle

Multigrid Method
Fast Fourier transforms
Memory Hierarchy
Elliptic PDE
Heterogeneous Systems

A massively scalable distributed multigrid framework for nonlinear marine hydrodynamics

Glimberg, S. L., Engsig-Karup, A. P. & Olson, L. N., Sep 1 2019, In : International Journal of High Performance Computing Applications. 33, 5, p. 855-868 14 p.

Research output: Contribution to journalArticle

Scalability
Hydrodynamics
Potential Flow
Potential flow
Supercomputers

Exploring the feasibility of lossy compression for PDE simulations

Calhoun, J., Cappello, F., Olson, L., Snir, M. & Gropp, W. D., Mar 1 2019, In : International Journal of High Performance Computing Applications. 33, 2, p. 397-410 14 p.

Research output: Contribution to journalArticle

Lossy Compression
Checkpoint
Partial differential equations
Restart
Partial differential equation

Learning with analytical models

Ibeid, H., Meng, S., Dobon, O., Olson, L. & Gropp, W. D., May 2019, Proceedings - 2019 IEEE 33rd International Parallel and Distributed Processing Symposium Workshops, IPDPSW 2019. Institute of Electrical and Electronics Engineers Inc., p. 778-786 9 p. 8778229. (Proceedings - 2019 IEEE 33rd International Parallel and Distributed Processing Symposium Workshops, IPDPSW 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hybrid Model
Analytical Model
Analytical models
Machine Learning
Learning systems

Node aware sparse matrix–vector multiplication

Bienz, A., Gropp, W. D. & Olson, L., Aug 2019, In : Journal of Parallel and Distributed Computing. 130, p. 166-178 13 p.

Research output: Contribution to journalArticle

Multiplication
Communication
Vertex of a graph
Costs
Communication Cost