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Most recent publications

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).
Journal Article
2021
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K. H. Jæger, K. G. Hustad, X. Cai and A. Tveito

Operator Splitting and Finite Difference Schemes for Solving the EMI Model

In Modeling Excitable Tissue: The EMI Framework, 44-55. Vol. 7. Cham: Springer International Publishing, 2021.
Book Chapter
2021
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J. D. Trotter, J. Langguth and X. Cai

Cache simulation for irregular memory traffic on multi-core CPUs: Case study on performance models for sparse matrix–vector multiplication

Journal of Parallel and Distributed Computing 144 (2020): 189-205.
Journal Article
2020
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J. Langguth, H. Arevalo, K. G. Hustad and X. Cai

Towards Detailed Real-Time Simulations of Cardiac Arrhythmia

In Computing in Cardiology. Vol. 46. IEEE, 2019.
Proceedings, refereed
2019
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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

15 September 2020

Simula’s HPC department awarded funding from new EU initiative

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

Department of High Performance Computing

MicroCard: Numerical modeling of cardiac electrophysiology at the cellular scale

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

Courses held

IN3200 - High-Performance Computing and Numerical Projects

IN5270 - Numerical methods for partial differential equations

Students under supervision

Available Master's topics

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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).
Status: Published

Book chapters

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

Operator Splitting and Finite Difference Schemes for Solving the EMI Model

In Modeling Excitable Tissue: The EMI Framework, 44-55. Vol. 7. Cham: Springer International Publishing, 2021.
Status: Published

Posters

J. D. Trotter, J. Langguth and X. Cai

Automated Code Generation for GPU-Based Finite Element Computations in FEniCS

SIAM Conference on Computational Science and Engineering (CSE21): SIAM, 2021.
Status: Published
2020

Journal articles

J. D. Trotter, J. Langguth and X. Cai

Cache simulation for irregular memory traffic on multi-core CPUs: Case study on performance models for sparse matrix–vector multiplication

Journal of Parallel and Distributed Computing 144 (2020): 189-205.
Status: Published

Posters

K. G. Hustad, X. Cai, J. Langguth and H. Arevalo

Efficient simulations of patient-specific electrical heart activity on the DGX-2

GPU Technology Conference (GTC) 2020, Silicon Valley, USA: Nvidia, 2020.
Status: Published
J. Langguth, N. Gaur, H. Arevalo, C. Jarvis, N. Altanaite, Q. Lan and X. Cai

Towards detailed Organ-Scale Simulations in Cardiac Electrophysiology

GPU Technology Conference (GTC), Silicon Valley, San Jose, USA, 2020.
Status: Published
2019

Journal articles

J. Lagravière, J. Langguth, M. Prugger, L. Einkemmer, P. H. Ha and X. Cai

Performance optimization and modeling of fine-grained irregular communication in UPC

Scientific Programming 2019 (2019): Article ID 6825728.
Status: Published

Proceedings, refereed

C. Jarvis, G. T. Lines, J. Langguth, K. Nakajima and X. Cai

Combining algorithmic rethinking and AVX-512 intrinsics for efficient simulation of subcellular calcium signaling

In International Conference on Computational Science (ICCS 2019). Springer, 2019.
Status: Published
J. Langguth, H. Arevalo, K. G. Hustad and X. Cai

Towards Detailed Real-Time Simulations of Cardiac Arrhythmia

In Computing in Cardiology. Vol. 46. IEEE, 2019.
Status: Published

Posters

J. Langguth, H. Arevalo, K. G. Hustad and X. Cai

Towards Detailed Real-Time Simulations of Cardiac Arrhythmia

International Conference in Computing in Cardiology, Singapore, 2019.
Status: Published