MPI+OpenMP tasking scalability for the simulation of the human brain
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Cita com:
hdl:2117/126301
Tipus de documentText en actes de congrés
Data publicació2018
EditorAssociation for Computing Machinery (ACM)
Condicions d'accésAccés obert
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ProjecteCOMPUTACION DE ALTAS PRESTACIONES VII (MINECO-TIN2015-65316-P)
HBP SGA1 - Human Brain Project Specific Grant Agreement 1 (EC-H2020-720270)
ECO-H-MEM - Advanced Ecosystem for Broad Heterogeneous Memory Usage (EC-H2020-749516)
HBP SGA2 - Human Brain Project Specific Grant Agreement 2 (EC-H2020-785907)
HBP SGA1 - Human Brain Project Specific Grant Agreement 1 (EC-H2020-720270)
ECO-H-MEM - Advanced Ecosystem for Broad Heterogeneous Memory Usage (EC-H2020-749516)
HBP SGA2 - Human Brain Project Specific Grant Agreement 2 (EC-H2020-785907)
Abstract
The simulation of the behavior of the Human Brain is one of the most ambitious challenges today with a non-end of important applications. We can find many different initiatives in the USA, Europe and Japan which attempt to achieve such a challenging target. In this work we focus on the most important European initiative (Human Brain Project) and on one of the tools (Arbor). This tool simulates the spikes triggered in a neuronal network by computing the voltage capacitance on the neurons' morphology, being one of the most precise simulators today. In the present work, we have evaluated the use of MPI+OpenMP tasking on top of the Arbor simulator. In this paper, we present the main characteristics of the Arbor tool and how these can be efficiently managed by using MPI+OpenMP tasking. We prove that this approach is able to achieve a good scaling even when computing a relatively low workload (number of neurons) per node using up to 32 nodes. Our target consists of achieving not only a highly scalable implementation based on MPI, but also to develop a tool with a high degree of abstraction without losing control and performance by using MPI+OpenMP tasking.
CitacióValero-Lara, P., Sirvent, R., Pena, A., Martorell, X., Labarta, J. MPI+OpenMP tasking scalability for the simulation of the human brain. A: European MPI Users' Group Meeting. "EuroMPI 2018: proceedings of the 25th European MPI Users’ Group Meeting: Barcelona, Spain: September 23-26, 2018". New York: Association for Computing Machinery (ACM), 2018, p. 1-8.
ISBN978-1-4503-6492-8
Versió de l'editorhttps://dl.acm.org/citation.cfm?id=3236373
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