A task programming implementation for the particle in cell code smilei

Francesco Massimo; Mathieu Lobet; Julien Derouillat; Arnaud Beck; Guillaume Bouchard; Mickael Grech; Fréderic Pérez; Tommaso Vinci

doi:10.1145/3539781.3539788

A task programming implementation for the particle in cell code smilei

Francesco Massimo
, Mathieu Lobet
, Julien Derouillat
, Arnaud Beck
, Guillaume Bouchard
, Mickael Grech
, Fréderic Pérez
, Tommaso Vinci

CEA/UVSQ/CNRS

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

An implementation of the electromagnetic Particle in Cell loop in the code Smilei using task programming is presented. Through OpenMP, the macro-particles operations are formulated in terms of tasks. This formulation allows asynchronous execution respecting the data dependencies of the macro-particle operations, the most time-consuming part of the code in simulations of interest for plasma physics. Through some benchmarks it is shown that this formulation can help mitigating the load imbalance of these operations at the OpenMP thread level. The improvements in strong scaling for load-imbalanced physical cases are discussed.

Original language	English
Title of host publication	Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022
Publisher	Association for Computing Machinery, Inc
ISBN (Electronic)	9781450394109
DOIs	https://doi.org/10.1145/3539781.3539788
Publication status	Published - 27 Jun 2022
Event	2022 Platform for Advanced Scientific Computing Conference, PASC 2022 - Basel, Switzerland Duration: 27 Jun 2022 → 29 Jun 2022

Publication series

Name	Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022

Conference

Conference	2022 Platform for Advanced Scientific Computing Conference, PASC 2022
Country/Territory	Switzerland
City	Basel
Period	27/06/22 → 29/06/22

Keywords

particle in cell code
task programming

Access to Document

10.1145/3539781.3539788

Cite this

Massimo, F., Lobet, M., Derouillat, J., Beck, A., Bouchard, G., Grech, M., Pérez, F., & Vinci, T. (2022). A task programming implementation for the particle in cell code smilei. In Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022 Article 5 (Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022). Association for Computing Machinery, Inc. https://doi.org/10.1145/3539781.3539788

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title = "A task programming implementation for the particle in cell code smilei",

abstract = "An implementation of the electromagnetic Particle in Cell loop in the code Smilei using task programming is presented. Through OpenMP, the macro-particles operations are formulated in terms of tasks. This formulation allows asynchronous execution respecting the data dependencies of the macro-particle operations, the most time-consuming part of the code in simulations of interest for plasma physics. Through some benchmarks it is shown that this formulation can help mitigating the load imbalance of these operations at the OpenMP thread level. The improvements in strong scaling for load-imbalanced physical cases are discussed.",

keywords = "particle in cell code, task programming",

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year = "2022",

month = jun,

day = "27",

doi = "10.1145/3539781.3539788",

language = "English",

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Massimo, F, Lobet, M, Derouillat, J, Beck, A, Bouchard, G, Grech, M, Pérez, F & Vinci, T 2022, A task programming implementation for the particle in cell code smilei. in Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022., 5, Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022, Association for Computing Machinery, Inc, 2022 Platform for Advanced Scientific Computing Conference, PASC 2022, Basel, Switzerland, 27/06/22. https://doi.org/10.1145/3539781.3539788

A task programming implementation for the particle in cell code smilei. / Massimo, Francesco; Lobet, Mathieu; Derouillat, Julien et al.
Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022. Association for Computing Machinery, Inc, 2022. 5 (Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Lobet, Mathieu

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AU - Beck, Arnaud

AU - Bouchard, Guillaume

AU - Grech, Mickael

AU - Pérez, Fréderic

AU - Vinci, Tommaso

PY - 2022/6/27

Y1 - 2022/6/27

N2 - An implementation of the electromagnetic Particle in Cell loop in the code Smilei using task programming is presented. Through OpenMP, the macro-particles operations are formulated in terms of tasks. This formulation allows asynchronous execution respecting the data dependencies of the macro-particle operations, the most time-consuming part of the code in simulations of interest for plasma physics. Through some benchmarks it is shown that this formulation can help mitigating the load imbalance of these operations at the OpenMP thread level. The improvements in strong scaling for load-imbalanced physical cases are discussed.

AB - An implementation of the electromagnetic Particle in Cell loop in the code Smilei using task programming is presented. Through OpenMP, the macro-particles operations are formulated in terms of tasks. This formulation allows asynchronous execution respecting the data dependencies of the macro-particle operations, the most time-consuming part of the code in simulations of interest for plasma physics. Through some benchmarks it is shown that this formulation can help mitigating the load imbalance of these operations at the OpenMP thread level. The improvements in strong scaling for load-imbalanced physical cases are discussed.

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KW - task programming

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DO - 10.1145/3539781.3539788

M3 - Conference contribution

AN - SCOPUS:85134803939

T3 - Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022

BT - Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022

PB - Association for Computing Machinery, Inc

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ER -

Massimo F, Lobet M, Derouillat J, Beck A, Bouchard G, Grech M et al. A task programming implementation for the particle in cell code smilei. In Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022. Association for Computing Machinery, Inc. 2022. 5. (Proceedings of the Platform for Advanced Scientific Computing Conference, PASC 2022). doi: 10.1145/3539781.3539788

A task programming implementation for the particle in cell code smilei

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