Towards Exascale Computing for Astrophysical Simulation Leveraging the Leonardo EuroHPC System

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F25%3A10260249" target="_blank" >RIV/61989100:27740/25:10260249 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.procs.2025.08.238" target="_blank" >http://dx.doi.org/10.1016/j.procs.2025.08.238</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.procs.2025.08.238" target="_blank" >10.1016/j.procs.2025.08.238</a>

Result language
angličtina
Original language name
Towards Exascale Computing for Astrophysical Simulation Leveraging the Leonardo EuroHPC System
Original language description
Developing and redesigning astrophysical, cosmological, and space plasma numerical codes for existing and next-generation accelerators is critical for enabling large-scale simulations. To address these challenges, the SPACE Center of Excellence (SPACE-CoE) fosters collaboration between scientists, code developers, and high-performance computing experts to optimize applications for the exascale era. This paper presents our strategy and initial results on the Leonardo system at CINECA for three flagship codes, namely gPLUTO, OpenGadget3 and iPIC3D, using profiling tools to analyze performance on single and multiple nodes. Preliminary tests show all three codes scale efficiently, reaching 80% scalability up to 1,024 GPUs. © 2025 Elsevier B.V., All rights reserved.
Czech name
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Czech description
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Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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