Guillaume Helbecque
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View article: Portable <scp>PGAS</scp> ‐Based <scp>GPU</scp> ‐Accelerated Branch‐And‐Bound Algorithms at Scale
Portable <span>PGAS</span> ‐Based <span>GPU</span> ‐Accelerated Branch‐And‐Bound Algorithms at Scale Open
The Branch‐and‐Bound (B&B) technique plays a key role in solving many combinatorial optimization problems, enabling efficient problem‐solving and decision‐making in a wide range of applications. It incrementally constructs a tree by buildi…
View article: Performance and Portability in Multi-GPU Branch-and-Bound: Chapel Versus CUDA and HIP for Tree-Based Optimization
Performance and Portability in Multi-GPU Branch-and-Bound: Chapel Versus CUDA and HIP for Tree-Based Optimization Open
peer reviewed
View article: GPU-accelerated Tree Search in Chapel
GPU-accelerated Tree Search in Chapel Open
This repository contains the implementation of a GPU-accelerated tree search algorithm in Chapel. The latter allows to solve instances of the N-Queens and permutation flowshop scheduling problems. For comparison purpose, CUDA-based counter…
View article: Productivity- and Performance-aware Parallel Distributed Depth-First Search
Productivity- and Performance-aware Parallel Distributed Depth-First Search Open
Chapel-based Productivity- and Performance-aware Parallel Distributed Depth-First Search algorithm, named P3D-DFS. The latter is a generic algorithm that can be instantiated on numerous tree-based problems. It is based on the DistBag-DFS d…
View article: GPU-Accelerated Tree-Search in Chapel Versus CUDA and HIP
GPU-Accelerated Tree-Search in Chapel Versus CUDA and HIP Open
peer reviewed
View article: Parallel distributed productivity‐aware tree‐search using Chapel
Parallel distributed productivity‐aware tree‐search using Chapel Open
With the recent arrival of the exascale era, modern supercomputers are increasingly big making their programming much more complex. In addition to performance, software productivity is a major concern to choose a programming language, such…
View article: Towards a Scalable Load Balancing for Productivity-Aware Tree-Search
Towards a Scalable Load Balancing for Productivity-Aware Tree-Search Open
peer reviewed
View article: A performance-oriented comparative study of the Chapel high-productivity language to conventional programming environments
A performance-oriented comparative study of the Chapel high-productivity language to conventional programming environments Open
The increase in complexity, diversity and scale of high performance computing environments, as well as the increasing sophistication of parallel applications and algorithms call for productivity-aware programming languages for high-perform…
View article: A performance-oriented comparative study of the Chapel high-productivity language to conventional programming environments
A performance-oriented comparative study of the Chapel high-productivity language to conventional programming environments Open
International audience
View article: Mass transfer from a sheared spherical rigid capsule
Mass transfer from a sheared spherical rigid capsule Open
Solute mass transfer from a spherical fluid-filled rigid capsule subjected to shear flow is studied numerically, while considering unsteady, continuous, and nonuniform boundary conditions on its surface. Here, the capsule acts as a reservo…
View article: Mass transfer from a sheared spherical rigid capsule
Mass transfer from a sheared spherical rigid capsule Open
Solute mass transfer from a spherical fluid-filled rigid capsule subjected to shear flow is studied numerically, while considering unsteady, continuous and nonuniform boundary conditions on its surface. Here, the capsule acts as a reservoi…
View article: Mass transfer from a sheared spherical rigid capsule
Mass transfer from a sheared spherical rigid capsule Open
Solute mass transfer from a spherical fluid-filled rigid capsule subjected to\nshear flow is studied numerically, while considering unsteady, continuous and\nnonuniform boundary conditions on its surface. Here, the capsule acts as a\nreser…