Publications

2025:¶

• Pascal Bouvry, Mats Brorsson, Ramon Canal, Aryan Eftekhari, Siegfried Höfinger, Didier Smets, Harald Köstler, Tomáš Kozubek, Ezhilmathi Krishnasamy, Josep Llosa, Alexandra Lukas-Rother, Xavier Martorell, Dirk Pleiter, Ana Proykova, Maria-Ribera Sancho, Olaf Schenk, Cristina Silvano, The European Master for HPC Curriculum. Journal of Parallel and Distributed Computing, Available online 3 April 2025.

• Ezhilmathi Krisshnasamy and Pascal Bouvry, A Study of GPU Programming Paradigms: OpenACC vs. CUDA in Linear Algebra Computations. 5^th International Conference on Advances in Electrical, Electronics and Computing Technology (EECT 2025) March 21-23, 2025 in Guangzhou, China.

• Ezhilmathi Krishnasamy and Pascal Bouvry, Designing a MOOC for EUMaster4HPC: Emphasizing OpenACC, OpenMP Offloading, and the HIP Programming Model. 2025 6^th European Advanced Educational Technology Conference (EAET 2025). The Imperial College London, London, UK, from the 28^th to the 30^th of March, 2025, will be published at International Journal of Information and Education Technology.

2024:¶

• Ezhilmathi Krishnasamy, and Pascal Bouvry, A Reproducible Study and Performance Analysis of GPU Programming Paradigms: OpenACC vs. CUDA in Key Linear Algebra Computations (preprint)

• Ezhilmathi Krishnasamy, and Pascal Bouvry, HPC Courses Traning Organization and Experiences in Supercomputing Luxembourg EuroCC: National Competence Centre (NCC). Journal of Computational Science Education

• G. Helbecque, Ezhilmathi Krishnasamy, N. Melab and P. Bouvry, GPU-Accelerated Tree-Search in Chapel versus CUDA and HIP

• G. Helbecque, Ezhilmathi Krishnasamy, T. Carneiro, N. Melab, P. Bouvry, A Chapel-based Multi-GPU Branch-and-Bound Algorithm

• G. Helbecque, Ezhilmathi Krishnasamy, N. Melab and P. Bouvry, GPU Computing in Chapel: Application to Tree-Search Algorithms, 2024: OLA 2024 International Conference on Optimization and Learning

• Daniel Gareev, Thomas Hofmann, Ezhilmathi Krishnasamy, and Tiago Pimentel, Local and Global Decoding in Text Generation. In Findings of the Association for Computational Linguistics: EMNLP 2024, pages 14577–14597, Miami, Florida, USA. Association for Computational Linguistics

• Daniel Gareev, Thomas Hofmann, Ezhilmathi Krishnasamy, and Tiago Pimentel, Local and Global Decoding in Text Generation[PREPRINT]

• Matthias Brust, Johnatan Eliabeth Pecero Sanchez, Ezhilmathi Krishnasamy, Pascal Bouvry, Advancing HPC Education: From Master's Programme to MOOC Platform for HPC Skill Development

2023:¶

• Ezhilmathi Krishnasamy, Selma Boudisa, Georgia Kanli, Francesc Xavier Marzal-Abarca, Oliver Keunen, Pascal Bouvry, Large-Scale Deep Learning Medical Image Methodology and Applications using Multiple GPUs. 7 th International Conference on Advances in Biomedical Engineering, Beirut–Lebanon October 12,13 2023.

• Ezhilmathi Krishnasamy, Ivona Vasileska, Leon Kos, Pascal Bouvry, Hybrid programming and multiple GPUs implementation for Particle-In-Cell. 8^th International Conference on Computer and Communication Systems, Guangzhou, China, April 21-24, 2023..

• Ezhilmathi Krishnasamy, Sven Harig, Pascal Bouvry. Accelerating Tsunami computation on a GPU using OpenMP offloading. 10^th International Conference on Computational Science/Intelligence & Applied Informatics (CSII 2023)), UK, London, July. 14 - 16, 2023.

• Ezhilmathi Krishnasamy, Ivona Vasileska, Leon Kos, Pascal Bouvry, OpenMP offloading and OpenACC programming module approach for object-oriented plasma device algorithms. MIPRO 2023 - 46^th Convention, DS-BE Data Science and Biomedical Engineering..

2021:¶

• Johansson, M.P., Krishnasamy, E., Meyer, N. and Piechurski, C., 2021. Quantum computing-a European perspective, PRACE-6IP TR..

• Bispo, J., Barbosa, J.G., Silva, P.F., Morales, C., Myllykoski, M., Ojeda-May, P., Bialczak, M., Uchronski, M., Wlodarczyk, A., Wauligmann, P. and Krishnasamy, E., 2021. Best Practice Guide: Modern Accelerators Technical report, PRACE aisbl, June 2021..

• Pleiter, D., Varrette, S., Krishnasamy, E., Özdemir, E. and Pilc, M., 2021. Security in an evolving European HPC Ecosystem. PRACE aisbl.

• Varrette, S., Kieffer, E., Pinel, F., Krishnasamy, E., Peter, S., Cartiaux, H. and Besseron, X., 2021. RESIF 3.0: Toward a Flexible & Automated Management of User Software Environment on HPC facility. In Practice and Experience in Advanced Research Computing (pp. 1-4).

2020:¶

• Krishnasamy, Ezhilmathi, Sébastien Varrette, and Michael Mucciardi. "Edge computing: An overview of framework and applications." (2020).

• Saastad, O.W., Kapanova, K., Markov, S., Morales, C., Shamakina, A., Johnson, N., Krishnasamy, E., Varrette, S. and Shoukourian, H., 2020. PRACE Best Practice Guide 2020: Modern Processors. PRACE aisbl.

• Krishnasamy, E. and Jansson, J., 2020. Direct FEM computation of turbulent multiphase flow in 3D priting nozzle design.

2018:¶

• Moragues, M., Castanon, D., Degirmenci, N.C., Jansson, J., Nava, V., Krishnasamy, E. and Hoffman, J., 2018. Finite Element Simulations of two-phase flow and floating bodies using FEniCS-HPC.

• Moragues Ginard, M., Degirmenci, N.C., Castañón Quiroz, D., Leoni, M., Jansson, J., Nava, V., Krishnasamy, E. and Hoffman, J., 2018. Simulation of floating platforms for marine energy generation. In 10^th International Conference on Computational Fluid Dynamics, ICCFD 2018; Hilton Barcelona; Spain; 9 July 2018 through 13 July 2018. International Conference on Computational Fluid Dynamics 2018.

• Adaptive Direct FEM Simulation with Unicorn/FeniCS-HPC for CS1, 2018 Johan Jansson, Ezhilmathi Krishnasamy, and Massimiliano Leoni

2017:¶

• Time-Resolved Adaptive Direct FEM Simulation of High-Lift Aircraft Configurations(2017) Johan Jansson, Ezhilmathi Krishnasamy, Massimiliano Leoni, Niclas Jansson and Johan Hoffman Numerical Simulation of the Aerodynamics of High-Lift Configurations, pp.67-92

• Simulation of the HarshLab floating platform for offshore experimentation using FeniCS-HPC,November 2017: one of several authors

• Towards HPC-embedded. Case study: Kalray and message-passing on NoC(2017) Pedro Valero-Lara, Ezhilmathi Krishnasamy and Johan Jansson

• Jansson, J., Nguyen, V.D., Moragues, M., Castanon, D., Saavedra, L., Krishnasamy, E., Goude, A. and Hoffman, J., 2017. Direct finite element simulation of turbulent flow for marine based renewable energy.

2016:¶

• Direct FEM large scale computation of turbulent multiphase flow in urban water systems and marine energy, Ezhilmathi Krishnasamy , Johan Hoffman, and Johan Jansson: ECCOMAS Congress 2016.

2015:¶

• Multi-GPU Implementations of Parallel 3D Sweeping Algorithms with Application to Geological Folding, Ezhilmathi Krishnasamy, Mohammed Sourouri, and Xing Cai: Procedia Computer Science, 2015.

PhD Thesis:¶

• High Performance Scientific Computing in Applications with Direct Finite Element Simulation (2020), Ezhilmathi Krishnasamy University of Basque Country, Basque Centre for Applied Mathematics (BCAM) and Royal institute of Technology (KTH).

Master Thesis:¶

• Hybrid CPU-GPU Parallel Simulations of 3D Front Propagation(2015), Krishnasamy, Ezhilmathi Linköping University, Department of Mechanical Engineering, Solid Mechanics