Journal
INTERNATIONAL JOURNAL OF COMPUTATIONAL FLUID DYNAMICS
Volume 30, Issue 6, Pages 425-430Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10618562.2016.1221503
Keywords
HPC; parallelisation; scalability; petascale simulations; CFD code; check-pointing
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Funding
- Ministerio de Economia y Competitividad, Spain [ENE2014-60577-R]
- Juan de la Cierva posdoctoral [IJCI-2014-21034]
- AGAUR (Generalitat de Catalunya) [PDJ2014-00073]
- CONICYT Becas Chile Doctorado [72130390]
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This paper presents some recent efforts carried out on the expansion of the scalability of TermoFluids multi-physics Computational Fluid Dynamics (CFD) code, aiming to achieve petascale capacity for a single simulation. We describe different aspects that we have improved in our code in order to efficiently run it on 131,072 CPU-cores. This work has been developed using the BlueGene/Q Mira supercomputer of the Argonne Leadership Computing Facility, where we have obtained feedback at the targeted scale. In summary, this is a practical paper showing our experience at reaching the petascale paradigm for a single simulation with TermoFluids.
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