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- W3115444268 abstract "This paper presents OTM-MPI, an extension of the Open Traffic Models platform (OTM) for running macroscopic traffic simulations in high-performance computing environments. OTM-MPI represents the first open-source, distributed-memory, macroscopic simulation model developed for modern high performance parallel machines and large networks. Macroscopic simulations are appropriate for studying regional traffic scenarios when aggregate trends are of interest, rather than individual vehicle traces. They are also appropriate for studying the routing behavior of classes of vehicles, such as app-informed vehicles. The network partitioning was performed with METIS. Inter-process communication was done with MPI (message-passing interface). Results are provided for two networks: one realistic network which was obtained from Open Street Maps for Chattanooga, TN, and another larger synthetic grid network. The software recorded a speedups of 198x using 256 cores for Chattanooga, and 475x with 1,024 cores for the synthetic network." @default.
- W3115444268 created "2021-01-05" @default.
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- W3115444268 date "2020-09-20" @default.
- W3115444268 modified "2023-10-16" @default.
- W3115444268 title "Distributed macroscopic traffic simulation with Open Traffic Models" @default.
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- W3115444268 doi "https://doi.org/10.1109/itsc45102.2020.9294316" @default.
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