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Performances of the CFD open-source HPC platform TRUST on GPUs

Year: 2024

Type: article

Abstract: TRUST is a versatile open-source CFD tool developed by the CEA since 1993. Initially designed for nuclear applications, TRUST has evolved to tackle a range of thermohydraulic challenges, from one-phase to multiphase flows. It offers various numerical methods and supports different mesh types for efficient computation on diverse computing platforms, including high-performance computers. Recently, efforts have been made to integrate GPU computing libraries like AmgX, rocALUTION, and Kokkos aiming for a hybrid CPU/GPU code achieving better performance portability. This paper provides an overview of the TRUST platform, discusses its GPU computing strategy, and presents selected associated results.

Source: Springer Link (Chiba Institute of Technology)

DOI: 10.1051/epjconf/202430203004/pdf

Authors: Elie Saikali, Adrien Bruneton, Pierre Ledac

Institutions: Commissariat à l'Énergie Atomique et aux Énergies Alternatives, Université Paris-Saclay, CEA Paris-Saclay, Service de Génie Logiciel pour la Simulation

Language: English

Topic: Parallel Computing and Optimization Techniques

Subfield: Hardware and Architecture

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W6903255286

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