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dc.contributor.author | Castro, Manuel de | |
dc.contributor.author | Santamaria Valenzuela, Inmaculada | |
dc.contributor.author | Torres de la Sierra, Yuri | |
dc.contributor.author | González Escribano, Arturo | |
dc.contributor.author | Llanos Ferraris, Diego Rafael | |
dc.date.accessioned | 2023-02-06T12:49:58Z | |
dc.date.available | 2023-02-06T12:49:58Z | |
dc.date.issued | 2023 | |
dc.identifier.citation | The Journal of Supercomputing, 2023. | es |
dc.identifier.issn | 0920-8542 | es |
dc.identifier.uri | https://uvadoc.uva.es/handle/10324/58515 | |
dc.description | Producción Científica | es |
dc.description.abstract | Iterative stencil computations are widely used in numerical simulations. They present a high degree of parallelism, high locality and mostly-coalesced memory access patterns. Therefore, GPUs are good candidates to speed up their computa- tion. However, the development of stencil programs that can work with huge grids in distributed systems with multiple GPUs is not straightforward, since it requires solv- ing problems related to the partition of the grid across nodes and devices, and the synchronization and data movement across remote GPUs. In this work, we present EPSILOD, a high-productivity parallel programming skeleton for iterative stencil computations on distributed multi-GPUs, of the same or different vendors that sup- ports any type of n-dimensional geometric stencils of any order. It uses an abstract specification of the stencil pattern (neighbors and weights) to internally derive the data partition, synchronizations and communications. Computation is split to better overlap with communications. This paper describes the underlying architecture of EPSILOD, its main components, and presents an experimental evaluation to show the benefits of our approach, including a comparison with another state-of-the-art solution. The experimental results show that EPSILOD is faster and shows good strong and weak scalability for platforms with both homogeneous and heterogene- ous types of GPU | es |
dc.format.mimetype | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | Springer | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.subject.classification | Distributed memory | es |
dc.subject.classification | GPU | es |
dc.subject.classification | Heterogeneous | es |
dc.subject.classification | Stencil | es |
dc.subject.classification | Parallel skeletons | es |
dc.title | EPSILOD: efficient parallel skeleton for generic iterative stencil computations in distributed GPUs | es |
dc.type | info:eu-repo/semantics/article | es |
dc.rights.holder | © 2023 The Author(s) | es |
dc.identifier.doi | 10.1007/s11227-022-05040-y | es |
dc.relation.publisherversion | https://link.springer.com/article/10.1007/s11227-022-05040-y | es |
dc.identifier.publicationtitle | The Journal of Supercomputing | es |
dc.peerreviewed | SI | es |
dc.description.project | Junta de Castilla y León, Ministerio de Economía, Industria y Competitividad, y Fondo Europeo de Desarrollo Regional (FEDER): Proyecto PCAS (TIN2017-88614-R) y Proyecto PROPHET-2 (VA226P20). | es |
dc.description.project | Ministerio de Ciencia e Innovación, Agencia Estatal de Investigación y “European Union NextGenerationEU/PRTR” : (MCIN/ AEI/10.13039/501100011033) - grant TED2021-130367B-I00 | es |
dc.description.project | CTE-POWER and Minotauro and the technical support provided by Barcelona Supercomputing Center (RES-IM-2021-2-0005, RES-IM-2021-3-0024, RES- IM-2022-1-0014). | es |
dc.description.project | Publicación en abierto financiada por el Consorcio de Bibliotecas Universitarias de Castilla y León (BUCLE), con cargo al Programa Operativo 2014ES16RFOP009 FEDER 2014-2020 DE CASTILLA Y LEÓN, Actuación:20007-CL - Apoyo Consorcio BUCLE | es |
dc.identifier.essn | 1573-0484 | es |
dc.rights | Atribución 4.0 Internacional | * |
dc.type.hasVersion | info:eu-repo/semantics/publishedVersion | es |
dc.subject.unesco | 12 Matemáticas | es |
dc.subject.unesco | 1203.17 Informática | es |
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