Scaling of Distributed Multi-simulations on Multi-core Clusters

DACCOSIM is a multi-simulation environment for continuous time systems, relying on FMI standard, making easy the design of a multi-simulation graph, and specially developed for multi-core PC clusters, in order to achieve speedup and size up. However, the distribution of the simulation graph remains...

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Bibliographic Details
Published in2016 IEEE 25th International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE) pp. 142 - 147
Main Authors Dad, Cherifa, Vialle, Stephane, Caujolle, Mathieu, Tavella, Jean-Philippe, Ianotto, Michel
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2016
Subjects
Benchmark testing
Buildings
Computational modeling
Computer architecture
distributed computing
FMI
Load modeling
Mathematical model
multi-cores
Multi-simulation
Numerical models
parallel computing
PC clusters
scaling
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Summary:DACCOSIM is a multi-simulation environment for continuous time systems, relying on FMI standard, making easy the design of a multi-simulation graph, and specially developed for multi-core PC clusters, in order to achieve speedup and size up. However, the distribution of the simulation graph remains complex and is still the responsibility of the simulation developer. This paper introduces DACCOSIM parallel and distributed architecture, and our strategies to achieve efficient multi-simulation graph distribution on multi-core clusters. Some performance experiments on two clusters, running up to 81 simulation components (FMU) and using up to 16 multi-core computing nodes, are shown. Performances measured on our faster cluster exhibit a good scalability, but some limitations of current DACCOSIM implementation are discussed.
DOI:10.1109/WETICE.2016.38