JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Thermal Engineering
Efficient Communication Strategy in Parallel Computation Based on Domain Partitioning
Yohsuke MatsushitaTomoyuki KatayamaTatsuya SomaShota AkaotsuYasuhiro SaitoHideyuki Aoki
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2018 年 51 巻 1 号 p. 79-82

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On parallel computation based on the domain partitioning, the efficient method for communication between partitioned subdomains was investigated. In the method, the communication table was generated by dividing a communication process into multi-stage, limiting each core assigned with each subdomain to communicate once at each stage, and determining the core with more neighboring subdomains in priority to another to communicate until no more cores were available at each stage. The parallel computation of fluid flow based on the finite volume method was performed and it was found that the parallel computation with the proposed communication table could successfully reduce computational time for communication compared with that with the conventional one with an increase in the number of cores used.

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© 2018 The Society of Chemical Engineers, Japan
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