Guillaume Helbecque

Publications

Article dans une revue (3)

Efficient And Scalable Branch-and-Bound Algorithm for Exact Qubit Allocation Jean-Philippe Valois,Guillaume Helbecque,Nouredine Melab Future Generation Computer Systems, 2026, 179, pp.108342. ⟨10.1016/j.future.2025.108342⟩ Article dans une revue hal-05449040v1
Portable PGAS-based GPU-accelerated Branch-and-Bound Algorithms at Scale Guillaume Helbecque,Ezhilmathi Krishnasamy,Tiago Carneiro,Nouredine Melab,Pascal Bouvry Concurrency and Computation: Practice and Experience, 2025, 37 (25-26), pp.e70321. ⟨10.1002/cpe.70321⟩ Article dans une revue hal-05267434v1
Parallel Distributed Productivity-aware Tree-Search using Chapel Guillaume Helbecque,Jan Gmys,Nouredine Melab,Tiago Carneiro,Pascal Bouvry Concurrency and Computation: Practice and Experience, 2023, 35 (27), pp.e7874. ⟨10.1002/cpe.7874⟩ Article dans une revue hal-04165491v1

Thèse (1)

PGAS-based Parallel Branch-and-Bound for Ultra-Scale GPU-powered Supercomputers Guillaume Helbecque Distributed, Parallel, and Cluster Computing [cs.DC]. Université de Lille; Université du Luxembourg (2003-..), 2025. English. ⟨NNT : 2025ULILB003⟩ Thèse tel-04902137v2

Communication dans un congrès (9)

A Portable Branch-and-Bound Algorithm for Cross-Architecture Multi-GPU Systems Ivan Tagliaferro,Guillaume Helbecque,Ezhilmathi Krishnasamy,Nouredine Melab,Grégoire Danoy 23rd International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms, Aug 2025, Dresde, Germany Communication dans un congrès hal-05454431v1
A Chapel-Based Multi-GPU Branch-and-Bound Algorithm Guillaume Helbecque,Ezhilmathi Krishnasamy,Tiago Carneiro,Nouredine Melab,Pascal Bouvry 22nd International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms, Aug 2024, Madrid, Spain. pp.463-474, ⟨10.1007/978-3-031-90200-0_37⟩ Communication dans un congrès hal-04709106v1
Performance and Portability in Multi-GPU Branch-and-Bound: Chapel Versus CUDA and HIP for Tree-Based Optimization Ivan Tagliaferro,Guillaume Helbecque,Ezhilmathi Krishnasamy,Nouredine Melab,Grégoire Danoy 39th IEEE International Parallel & Distributed Processing Symposium, Jun 2025, Milano, Italy. pp.1293-1295, ⟨10.1109/IPDPSW66978.2025.00217⟩ Communication dans un congrès hal-05263968v1
PGAS Data Structure for Unbalanced Tree-Based Algorithms at Scale Guillaume Helbecque,Tiago Carneiro,Nouredine Melab,Jan Gmys,Pascal Bouvry ICCS 2024 - 24th International Conference on Computational Science, Jul 2024, Malaga, Spain. pp.103-111, ⟨10.1007/978-3-031-63759-9_13⟩ Communication dans un congrès hal-04636184v1
GPU Computing in Chapel: Application to Tree-Search Algorithms Guillaume Helbecque,Ezhilmathi Krishnasamy,Nouredine Melab,Pascal Bouvry International Conference on Optimization and Learning (OLA 2024), May 2024, Dubrovnik, Croatia Communication dans un congrès hal-04551844v1
GPU-Accelerated Tree-Search in Chapel versus CUDA and HIP Guillaume Helbecque,Ezhilmathi Krishnasamy,Nouredine Melab,Pascal Bouvry 14th IEEE Workshop Parallel / Distributed Combinatorics and Optimization (PDCO 2024), May 2024, San Francisco, United States. ⟨10.1109/IPDPSW63119.2024.00156⟩ Communication dans un congrès hal-04551856v1
Towards a scalable load balancing for productivity-aware tree-search Guillaume Helbecque,Jan Gmys,Tiago Carneiro,Nouredine Melab,Pascal Bouvry The 10th Annual Chapel Implementers and Users Workshop, Jun 2023, online, United States Communication dans un congrès hal-04117159v1
Productivity-aware Parallel Distributed Tree-Search for Exact Optimization Guillaume Helbecque,Jan Gmys,Nouredine Melab,Tiago Carneiro,Pascal Bouvry International Conference on Optimization and Learning (OLA 2023), May 2023, Malaga, Spain Communication dans un congrès hal-04096195v1
A performance-oriented comparative study of the Chapel high-productivity language to conventional programming environments Guillaume Helbecque,Jan Gmys,Tiago Carneiro,Nouredine Melab,Pascal Bouvry 13th International Workshop on Programming Models and Applications for Multicores and Manycores (PMAM'22), Apr 2022, Séoul, South Korea. pp.21-29, ⟨10.1145/3528425.3529104⟩ Communication dans un congrès hal-03629798v1

Logiciel (2)

P3D-DFS: Productivity- and Performance-aware Parallel Distributed Depth-First Search Guillaume Helbecque,Jan Gmys,Tiago Carneiro,Nouredine Melab,Pascal Bouvry 2024 Logiciel hal-04709165v1
GPU-accelerated tree-search in Chapel Guillaume Helbecque,Ezhilmathi Krishnasamy,Nouredine Melab,Pascal Bouvry 2024 Logiciel hal-04709186v1