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윤의성

Yoon, Eisung
Fusion and Plasma Application Research Lab.
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dc.citation.endPage 12 -
dc.citation.startPage 1 -
dc.citation.title JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING -
dc.citation.volume 157 -
dc.contributor.author Diamond, Gerrett -
dc.contributor.author Smith, Cameron W. -
dc.contributor.author Zhang, Chonglin -
dc.contributor.author Yoon, Eisung -
dc.contributor.author Shephard, Mark S. -
dc.date.accessioned 2023-12-21T15:08:49Z -
dc.date.available 2023-12-21T15:08:49Z -
dc.date.created 2021-06-23 -
dc.date.issued 2021-11 -
dc.description.abstract Unstructured mesh particle-in-cell, PIC, simulations executing on the current and next generation of massively parallel systems require new methods for both the mesh and particles to achieve performance and scalability on GPUs. The traditional approach to implementing PIC simulations defines data structures and algorithms in terms of particles with a full copy of the unstructured mesh on every process. To effectively scale the unstructured mesh and particles, mesh-based PIC uses the unstructured mesh as the predominant data structure with the particles stored in terms of the mesh entities. This paper details the PUMIPic library, a framework for developing efficient and performance-portable mesh-based PIC simulations on GPU systems. A pseudo physics simulation based on a five-dimensional gyro-kinetic code for modeling plasma physics is used to examine the performance of PUMIPic. Scaling studies of the unstructured mesh partition and number of particles are performed up to 4096 nodes of the Summit system at Oak Ridge National Laboratory. The studies show that mesh-based PIC can utilize a partitioned mesh and maintain scaling up to system limitations. (C) 2021 Elsevier Inc. All rights reserved. -
dc.identifier.bibliographicCitation JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING, v.157, pp.1 - 12 -
dc.identifier.doi 10.1016/j.jpdc.2021.06.004 -
dc.identifier.issn 0743-7315 -
dc.identifier.scopusid 2-s2.0-85108453521 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/53108 -
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S0743731521001337?via%3Dihub -
dc.identifier.wosid 000691219700001 -
dc.language 영어 -
dc.publisher ACADEMIC PRESS INC ELSEVIER SCIENCE -
dc.title PUMIPic: A mesh-based approach to unstructured mesh Particle-In-Cell on GPUs -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Computer Science, Theory & Methods -
dc.relation.journalResearchArea Computer Science -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Particle-in-cellUnstructured meshGPU -
dc.subject.keywordPlus SIMULATIONPERFORMANCEPARTITIONSALGORITHMSCHEME -

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