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.
Efficient Fine-Scale Simulation of Nonlinear Hyperelastic Lattice Structures
Computer Methods in Applied Mechanics and Engineering · vol. 461 · pp. 119202
Mixed Precision Augmented GMRES
Numerical Linear Algebra with Applications · vol. 33 · no. 4 · pp. e70117
Automated Numerical Stability Analysis of Deep Learning Operators
Preprint · arxiv
A fixed-accuracy randomized interpolative decomposition based on pivoted QR
Preprint
TOTO: Transparent I/O Tuning for HPC Applications
ICS 2026 - International Conference on Supercomputing · Belfast, GB
Mixed precision Newton's method for optimization
Preprint
Mixed-precision classic algebraic multigrid preconditioning for large-scale problems
Preprint
Sharper Bounds on the Required Fixed-Point Precision for Emulating Floating-Point Matrix Multiplication
Preprint
Learning Where to Simulate: Generative Active Sampling for Online PDE Surrogate Training
Preprint · arxiv
Doubly adaptive precision restarted GMRES
Preprint
Mixed Precision Compression of Tucker Decomposition
Preprint
Enabling non-Flexible Mixed-Precision Preconditioned GMRES with Memory Accessors
Preprint
Greedy Adaptive Task Splitting with Prediction and Placement for Heterogeneous Systems
HCW - 35th Heterogeneity in Computing Workshop · Nouvelle-Orleans, US
Mixed Precision Perturbation Analysis of Two-Level Domain Decomposition Preconditioners
Preprint
Méthode d'éléments finis discontinus hybridisée pour la résolution itérative accélérée de problèmes d'ondes en fréquence
CSMA 2026 - 17ème Colloque National en Calcul des Structures · Giens, FR
Automated Precision Tuning for Numerical Algorithms
27th Conference of the International Linear Algebra Society · Blacksburg, US
The Hidden Propagator: How Free-Slip Boundaries Corrupt 3D Simulations
EGU General Assembly 2026 · Vienne, AT
RoseCDL: Robust and scalable convolutional dictionary learning for rare-event detection
Conference on Artificial Intelligence and Statistics (AISTATS) · Tanger, MA
Floating-point autotuning with customized precisions: benchmarking and analysis
SIAM Conference on Parallel Processing for Scientific Computing (PP26) · Berlin, DE