A multi-GPU implementation of a D2Q37 lattice Boltzmann code

L. Biferale; F. Mantovani; M. Pivanti; F. Pozzati; M. Sbragaglia; Andrea Scagliarini; S.F. Schifano; F. Toschi; R. Tripiccione

doi:10.1007/978-3-642-31464-3_65

A multi-GPU implementation of a D2Q37 lattice Boltzmann code

L. Biferale, F. Mantovani, M. Pivanti, F. Pozzati, M. Sbragaglia, Andrea Scagliarini, S.F. Schifano, F. Toschi, R. Tripiccione

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

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Abstract

We describe a parallel implementation of a compressible Lattice Boltzmann code on a multi-GPU cluster based on Nvidia Fermi processors. We analyze how to optimize the algorithm for GP-GPU architectures, describe the implementation choices that we have adopted and compare our performance results with an implementation optimized for latest generation multi-core CPUs. Our program runs at ˜¿30% of the double-precision peak performance of one GPU and shows almost linear scaling when run on the multi-GPU cluster. Keywords: Computational fluid-dynamics – Lattice Boltzmann methods – GP-GPUs computing

Original language	English
Title of host publication	Parallel Processing and Applied Mathematics : 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011. Revised Selected Papers, Part I
Editors	R. Wyrzykowski, J. Dongarra, K. Karczewski, J. Wasniewski
Place of Publication	Berlin
Publisher	Springer
Pages	640-650
ISBN (Print)	978-3-642-31463-6
DOIs	https://doi.org/10.1007/978-3-642-31464-3_65
Publication status	Published - 2012
Event	9th International Conference on Parallel Processing and Applied Mathematics, PPAM 2011 - Torun, Poland Duration: 11 Sept 2011 → 14 Sept 2011 Conference number: 9

Publication series

Name	Lecture Notes in Computer Science
Volume	7203
ISSN (Print)	0302-9743

Conference

Conference	9th International Conference on Parallel Processing and Applied Mathematics, PPAM 2011
Abbreviated title	PPAM 2011
Country/Territory	Poland
City	Torun
Period	11/09/11 → 14/09/11

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10.1007/978-3-642-31464-3_65

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Biferale, L., Mantovani, F., Pivanti, M., Pozzati, F., Sbragaglia, M., Scagliarini, A., Schifano, S. F., Toschi, F., & Tripiccione, R. (2012). A multi-GPU implementation of a D2Q37 lattice Boltzmann code. In R. Wyrzykowski, J. Dongarra, K. Karczewski, & J. Wasniewski (Eds.), Parallel Processing and Applied Mathematics : 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011. Revised Selected Papers, Part I (pp. 640-650). (Lecture Notes in Computer Science; Vol. 7203). Springer. https://doi.org/10.1007/978-3-642-31464-3_65

Biferale, L. ; Mantovani, F. ; Pivanti, M. et al. / A multi-GPU implementation of a D2Q37 lattice Boltzmann code. Parallel Processing and Applied Mathematics : 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011. Revised Selected Papers, Part I. editor / R. Wyrzykowski ; J. Dongarra ; K. Karczewski ; J. Wasniewski. Berlin : Springer, 2012. pp. 640-650 (Lecture Notes in Computer Science).

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title = "A multi-GPU implementation of a D2Q37 lattice Boltzmann code",

abstract = "We describe a parallel implementation of a compressible Lattice Boltzmann code on a multi-GPU cluster based on Nvidia Fermi processors. We analyze how to optimize the algorithm for GP-GPU architectures, describe the implementation choices that we have adopted and compare our performance results with an implementation optimized for latest generation multi-core CPUs. Our program runs at ˜¿30% of the double-precision peak performance of one GPU and shows almost linear scaling when run on the multi-GPU cluster. Keywords: Computational fluid-dynamics – Lattice Boltzmann methods – GP-GPUs computing",

author = "L. Biferale and F. Mantovani and M. Pivanti and F. Pozzati and M. Sbragaglia and Andrea Scagliarini and S.F. Schifano and F. Toschi and R. Tripiccione",

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Biferale, L, Mantovani, F, Pivanti, M, Pozzati, F, Sbragaglia, M, Scagliarini, A, Schifano, SF, Toschi, F & Tripiccione, R 2012, A multi-GPU implementation of a D2Q37 lattice Boltzmann code. in R Wyrzykowski, J Dongarra, K Karczewski & J Wasniewski (eds), Parallel Processing and Applied Mathematics : 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011. Revised Selected Papers, Part I. Lecture Notes in Computer Science, vol. 7203, Springer, Berlin, pp. 640-650, 9th International Conference on Parallel Processing and Applied Mathematics, PPAM 2011, Torun, Poland, 11/09/11. https://doi.org/10.1007/978-3-642-31464-3_65

A multi-GPU implementation of a D2Q37 lattice Boltzmann code. / Biferale, L.; Mantovani, F.; Pivanti, M. et al.
Parallel Processing and Applied Mathematics : 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011. Revised Selected Papers, Part I. ed. / R. Wyrzykowski; J. Dongarra; K. Karczewski; J. Wasniewski. Berlin: Springer, 2012. p. 640-650 (Lecture Notes in Computer Science; Vol. 7203).

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

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AU - Biferale, L.

AU - Mantovani, F.

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AU - Pozzati, F.

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AU - Scagliarini, Andrea

AU - Schifano, S.F.

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AU - Tripiccione, R.

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N2 - We describe a parallel implementation of a compressible Lattice Boltzmann code on a multi-GPU cluster based on Nvidia Fermi processors. We analyze how to optimize the algorithm for GP-GPU architectures, describe the implementation choices that we have adopted and compare our performance results with an implementation optimized for latest generation multi-core CPUs. Our program runs at ˜¿30% of the double-precision peak performance of one GPU and shows almost linear scaling when run on the multi-GPU cluster. Keywords: Computational fluid-dynamics – Lattice Boltzmann methods – GP-GPUs computing

AB - We describe a parallel implementation of a compressible Lattice Boltzmann code on a multi-GPU cluster based on Nvidia Fermi processors. We analyze how to optimize the algorithm for GP-GPU architectures, describe the implementation choices that we have adopted and compare our performance results with an implementation optimized for latest generation multi-core CPUs. Our program runs at ˜¿30% of the double-precision peak performance of one GPU and shows almost linear scaling when run on the multi-GPU cluster. Keywords: Computational fluid-dynamics – Lattice Boltzmann methods – GP-GPUs computing

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Biferale L, Mantovani F, Pivanti M, Pozzati F, Sbragaglia M, Scagliarini A et al. A multi-GPU implementation of a D2Q37 lattice Boltzmann code. In Wyrzykowski R, Dongarra J, Karczewski K, Wasniewski J, editors, Parallel Processing and Applied Mathematics : 9th International Conference, PPAM 2011, Torun, Poland, September 11-14, 2011. Revised Selected Papers, Part I. Berlin: Springer. 2012. p. 640-650. (Lecture Notes in Computer Science). doi: 10.1007/978-3-642-31464-3_65

A multi-GPU implementation of a D2Q37 lattice Boltzmann code

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