Advancing Science at Exascale – Discover the Latest Research from NumPEx
NumPEx is leading exascale computing research, advancing high-performance computing (HPC) to tackle the biggest scientific and industrial challenges. Our team is working on the latest algorithms, architectures and software optimisations for the next generation of computational science.
Here you will find our scientific publications, hosted on HAL, with the latest results and breakthroughs from the NumPEx community. Whether you are a researcher, an industry professional or simply a curious person interested in exascale computing, these publications will give you a glimpse of the future of HPC.
We are always looking for new talents – students, researchers, engineers – who want to shape the future of computational science. Interested in contributing to this field? Have a look at our work and join us to push the limits of performance and innovation.
142 publications
Enabling Radio Astronomy to Use French Supercomputers
Mathis Certenais, François Bodin, Benjamin de Zordo
2026 IEEE International Conference for High Performance Computing, Networking, Storage and Analysis Workshops (SC-W) - 21st Workshop on Workflows in Support of Large-Scale Science (WORKS26) · Chicago (Illinois), US
Efficient Fine-Scale Simulation of Nonlinear Hyperelastic Lattice Structures
Clément Guillet, Thibaut Hirschler, Pierre Jolivet, Pablo Antolin, Robin Bouclier
Computer Methods in Applied Mechanics and Engineering · vol. 461 · pp. 119202
Mixed-precision algebraic multigrid with Jacobi and FSPAI smoothing on GPUs
Emmanuel Agullo, Ani Anciaux-Sedrakian, Alfredo Buttari, Petr Vacek
Preprint
Model order reduction of HDG discretizations for harmonic wave propagation
Hélène Barucq, Florian Faucher, Ha Pham, Ishak Tifouti
Preprint
A neural characteristic mapping method
Martin Campos Pinto, Victor Fournet, Emmanuel Franck, Philipp Krah, Victor Michel-Dansac
Preprint
A Methodology for System-Scale I/O Pattern Taxonomy for HPC Workloads
Théo Jolivel, François Tessier, Jakob Luettgau, Gabriel Antoniu, Philippe Deniel
SBAC-PAD 2026 - 38th IEEE/SBC International Symposium on Computer Architecture and High Performance Computing · Madrid, ES
Right Precision, Right Place: Runtime Adaptations for Mixed-Precision Cholesky Factorization
Qinglei Cao, Theo Mary, Rabab Alomairy, Hatem Ltaief, David E Keyes
Preprint
How Much Does Submitting a Burst of Jobs Impact Waiting Time? An Analysis of the Jean Zay Workload Trace
Marius Garénaux, François Bodin
Preprint
Mixed-Precision Computing for Scientific Discovery: Formats, Co-Design, and Responsible Approximation
Emmanuel Agullo, Hartwig Anzt, Daniel Bauer, David Bindel, Alfredo Buttari, Alexandru Calotoiu + 34 more
Preprint · arxiv
Numerical stability of tree tensor network operations, and a stable rounding algorithm
Marc Baboulin, Oguz Kaya, Theo Mary, Matthieu Robeyns
SIAM Journal on Matrix Analysis and Applications
Certified Bayesian optimal experimental design: from Expected Information Gain to Signal-to-Noise Ratio
Mohamed Doumbouya, Arthur Vidard, Olivier Zahm
Preprint · arxiv
Quantitative inverse wave problem in passive imaging: towards applications to helioseismology
Florian Faucher
MathSEE 2026: Applications of Mathematical Methods · Karlsruhe, DE · invited talk
