68 citations · 194 across the 14 of their papers we have counts for
6 papers · 1 filter
Exploiting long vectors with a CFD code: a co-design show case
Marc Blancafort, Roger Ferrer, Guillaume Houzeaux +2
A current trend in HPC systems is the utilization of architectures with SIMD or vector extensions to exploit data parallelism. There are several ways to take advantage of such mode…
Alya towards Exascale: Optimal OpenACC Performance of the Navier-Stokes Finite Element Assembly on GPUs
Herbert Owen, Dominik Ernst, Thomas Gruber +4
This paper addresses the challenge of providing portable and highly efficient code structures for CPU and GPU architectures. We choose the assembly of the right-hand term in the in…
A portable coding strategy to exploit vectorization on combustion simulations
Fabio Banchelli, Guillermo Oyarzun, Marta Garcia-Gasulla +4
The complexity of combustion simulations demands the latest high-performance computing tools to accelerate its time-to-solution results. A current trend on HPC systems is the utili…
Dynamic resource allocation for efficient parallel CFD simulations
G. Houzeaux, R. M. Badia, R. Borrell +4
CFD users of supercomputers usually resort to rule-of-thumb methods to select the number of subdomains (partitions) when relying on MPI-based parallelization. One common approach i…
Performance assessment of CUDA and OpenACC in large scale combustion simulations
Guillermo Oyarzun, Daniel Mira, Guillaume Houzeaux
GPUs have climbed up to the top of supercomputer systems making life harder to many legacy scientific codes. Nowadays, many recipes are being used in such code's portability, witho…
Heterogeneous CPU/GPU co-execution of CFD simulations on the POWER9 architecture: Application to airplane aerodynamics
R. Borrell, D. Dosimont, M. Garcia-Gasulla +6
High fidelity Computational Fluid Dynamics simulations are generally associated with large computing requirements, which are progressively acute with each new generation of superco…