Guillaume Helbecque
- 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
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Efficient And Scalable Branch-and-Bound Algorithm for Exact Qubit AllocationFuture Generation Computer Systems, 2026, 179, pp.108342. ⟨10.1016/j.future.2025.108342⟩ |
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Portable PGAS-based GPU-accelerated Branch-and-Bound Algorithms at ScaleConcurrency and Computation: Practice and Experience, 2025, 37 (25-26), pp.e70321. ⟨10.1002/cpe.70321⟩ |
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Parallel Distributed Productivity-aware Tree-Search using ChapelConcurrency and Computation: Practice and Experience, 2023, 35 (27), pp.e7874. ⟨10.1002/cpe.7874⟩ |
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PGAS-based Parallel Branch-and-Bound for Ultra-Scale GPU-powered SupercomputersDistributed, Parallel, and Cluster Computing [cs.DC]. Université de Lille; Université du Luxembourg (2003-..), 2025. English. ⟨NNT : 2025ULILB003⟩ |
A Portable Branch-and-Bound Algorithm for Cross-Architecture Multi-GPU Systems23rd International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms, Aug 2025, Dresde, Germany |
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A Chapel-Based Multi-GPU Branch-and-Bound Algorithm22nd 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⟩ |
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Performance and Portability in Multi-GPU Branch-and-Bound: Chapel Versus CUDA and HIP for Tree-Based Optimization39th IEEE International Parallel & Distributed Processing Symposium, Jun 2025, Milano, Italy. pp.1293-1295, ⟨10.1109/IPDPSW66978.2025.00217⟩ |
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PGAS Data Structure for Unbalanced Tree-Based Algorithms at ScaleICCS 2024 - 24th International Conference on Computational Science, Jul 2024, Malaga, Spain. pp.103-111, ⟨10.1007/978-3-031-63759-9_13⟩ |
GPU Computing in Chapel: Application to Tree-Search AlgorithmsInternational Conference on Optimization and Learning (OLA 2024), May 2024, Dubrovnik, Croatia |
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GPU-Accelerated Tree-Search in Chapel versus CUDA and HIP14th IEEE Workshop Parallel / Distributed Combinatorics and Optimization (PDCO 2024), May 2024, San Francisco, United States. ⟨10.1109/IPDPSW63119.2024.00156⟩ |
Productivity-aware Parallel Distributed Tree-Search for Exact OptimizationInternational Conference on Optimization and Learning (OLA 2023), May 2023, Malaga, Spain |
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Towards a scalable load balancing for productivity-aware tree-searchThe 10th Annual Chapel Implementers and Users Workshop, Jun 2023, online, United States |
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A performance-oriented comparative study of the Chapel high-productivity language to conventional programming environments13th 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⟩ |