Guillaume Helbecque

60 %
Libre accès
15
Documents
Affiliations actuelles
  • Université de Lille
  • Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189 (CRIStAL)
  • Centre Inria de l'Université de Lille
  • Optimisation de grande taille et calcul large échelle (BONUS)

Publications

Publications

Deposit thumbnail

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

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
Deposit thumbnail

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
Deposit thumbnail

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
Deposit thumbnail

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
Deposit thumbnail

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

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

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
Deposit thumbnail

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