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Most recent publications

A. Thune, S. Reinemo, T. Skeie and X. Cai

Detailed Modeling of Heterogeneous and Contention-Constrained Point-to-Point MPI Communication

IEEE Transactions on Parallel and Distributed Systems 34, no. 5 (2023): 1580-1593.
Journal Article
2023
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L. Burchard, K. G. Hustad, J. Langguth and X. Cai

Enabling unstructured-mesh computation on massively tiled AI processors: An example of accelerating in silico cardiac simulation

Frontiers in Physics 11 (2023).
Journal Article
2023
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Å. Telle, J. D. Trotter, X. Cai, H. Finsberg, M. Kuchta, J. Sundnes and S. Wall

A cell-based framework for modeling cardiac mechanics

Biomechanics and Modeling in Mechanobiology 10101010, no. 1137/11115/11109/101145/779359 (2023).
Journal Article
2023
View
Å. Telle, J. D. Trotter, X. Cai, H. Finsberg, M. Kuchta, J. Sundnes and S. Wall

A cell-based framework for modeling cardiac mechanics

Biomechanics and Modeling in Mechanobiology (2023).
Journal Article
2023
View

Selected publications

J. Langguth, M. Sourouri, G. T. Lines, S. Baden and X. Cai

Scalable heterogeneous CPU-GPU computations for unstructured tetrahedral meshes

IEEE Micro 35, no. 4 (2015): 6-15.
Journal Article
2015
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J. Chai, J. E. Hake, N. Wu, M. Wen, X. Cai, G. T. Lines, J. Yang, H. Su, C. Zhang and X. Liao

Towards Simulation of Subcellular Calcium Dynamics at Nanometre Resolution

International Journal of High Performance Computing Applications 29, no. 1 (2015): 51-63.
Journal Article
2015
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W. Wei, S. Clark, H. Su, M. Wen and X. Cai

Balancing Efficiency and Accuracy for Sediment Transport Simulations

Computational Science & Discovery 6 (2013): 015011.
Journal Article
2013
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D. Unat, X. Cai and S. Baden

Mint: Realizing CUDA Performance in 3D Stencil Methods With Annotated C

In Proceedings of the 25th International Conference on Supercomputing (ICS'11). ACM Press, 2011.
Proceedings, refereed
2011
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News

30 March 2023

Simula and Inria join forces on two more Associate Teams

Projects

Circuitboard

User-friendly programming of GPU-enhanced clusters

Circuitboard

New Industrial Capabilities Through Embedded Multi-Core Systems

Power lines

PREAPP: PRoductivity and Energy-efficiency through Abstraction-based Parallel Programming

Huge-scale computing

Meeting Exascale Computing with Source-to-Source Compilers

MicroCard: Numerical modeling of cardiac electrophysiology at the cellular scale

SparCity: An Optimization and Co-design Framework for Sparse Computation

Department of High Performance Computing

Courses held

IN3200 - High-Performance Computing and Numerical Projects

IN5270 - Numerical methods for partial differential equations

Students under supervision

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2023

Journal articles

L. Burchard, K. G. Hustad, J. Langguth and X. Cai

Enabling unstructured-mesh computation on massively tiled AI processors: An example of accelerating in silico cardiac simulation

Frontiers in Physics 11 (2023).
Status: Published
Å. Telle, J. D. Trotter, X. Cai, H. Finsberg, M. Kuchta, J. Sundnes and S. Wall

A cell-based framework for modeling cardiac mechanics

Biomechanics and Modeling in Mechanobiology (2023).
Status: Published
Å. Telle, J. D. Trotter, X. Cai, H. Finsberg, M. Kuchta, J. Sundnes and S. Wall

A cell-based framework for modeling cardiac mechanics

Biomechanics and Modeling in Mechanobiology 10101010, no. 1137/11115/11109/101145/779359 (2023).
Status: Published
A. Thune, S. Reinemo, T. Skeie and X. Cai

Detailed Modeling of Heterogeneous and Contention-Constrained Point-to-Point MPI Communication

IEEE Transactions on Parallel and Distributed Systems 34, no. 5 (2023): 1580-1593.
Status: Published
2022

Journal articles

K. G. Hustad and X. Cai

Resource-efficient use of modern processor architectures for numerically solving cardiac ionic cell models

Frontiers in Physiology 13 (2022).
Status: Published
J. D. Trotter, X. Cai and S. W. Funke

On memory traffic and optimisations for low-order finite element assembly algorithms on multi-core CPUs

ACM Transactions on Mathematical Software 48, no. 2 (2022): 1-31.
Status: Published

Talks, contributed

Å. Telle, J. D. Trotter, X. Cai, M. Kuchta, H. Finsberg, J. Sundnes and S. Wall

Modeling cardiac mechanics using a cell-based framework

In 15th World Congress on Computational Mechanics (WCCM-XV), Yokohama, Japan. 15th World Congress on Computational Mechanics (WCCM-XV), 2022.
Status: Published
2021

Journal articles

K. H. Jæger, K. G. Hustad, X. Cai and A. Tveito

Efficient numerical solution of the EMI model representing the extracellular space (E), cell membrane (M) and intracellular space (I) of a collection of cardiac cells

Frontiers in Physics 8 (2021): 579461.
Status: Published
A. Thune, X. Cai and A. B. Rustad

On the impact of heterogeneity-aware mesh partitioning and non-contributing computation removal on parallel reservoir simulations

Journal of Mathematics in Industry 11 (2021).
Status: Published

Proceedings, refereed

L. Burchard, X. Cai and J. Langguth

iPUG for multiple Graphcore IPUs: Optimizing performance and scalability of parallel breadth-first search

In 28th IEEE International Conference on High Performance Computing, Data, & Analytics (HiPC). Bangalore, India: IEEE, 2021.
Status: Published