Performance of a new CFD flow solver using a hybrid programming paradigm

M. J. Berger; M. J. Aftosmis; D. D. Marshall; S. M. Murman

doi:10.1016/j.jpdc.2004.11.010

Performance of a new CFD flow solver using a hybrid programming paradigm

M. J. Berger, M. J. Aftosmis, D. D. Marshall, S. M. Murman

Computer Science

Research output: Contribution to journal › Article › peer-review

Abstract

This paper presents several algorithmic innovations and a hybrid programming style that lead to highly scalable performance using shared memory for a new computational fluid dynamics flow solver. This hybrid model is then converted to a strict message-passing implementation, and performance results for the two are compared. Results show that using this hybrid approach our OpenMP implementation is actually marginally faster than the MPI version, with parallel speedups of up to 599 out of 640 using OpenMP and 486 with MPI.

Original language	English (US)
Pages (from-to)	414-423
Number of pages	10
Journal	Journal of Parallel and Distributed Computing
Volume	65
Issue number	4
DOIs	https://doi.org/10.1016/j.jpdc.2004.11.010
State	Published - Apr 2005

Keywords

Message passing
Parallel programming
Shared address space
Space-filling curves

ASJC Scopus subject areas

Software
Theoretical Computer Science
Hardware and Architecture
Computer Networks and Communications
Artificial Intelligence

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10.1016/j.jpdc.2004.11.010

Cite this

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title = "Performance of a new CFD flow solver using a hybrid programming paradigm",

abstract = "This paper presents several algorithmic innovations and a hybrid programming style that lead to highly scalable performance using shared memory for a new computational fluid dynamics flow solver. This hybrid model is then converted to a strict message-passing implementation, and performance results for the two are compared. Results show that using this hybrid approach our OpenMP implementation is actually marginally faster than the MPI version, with parallel speedups of up to 599 out of 640 using OpenMP and 486 with MPI.",

keywords = "Message passing, Parallel programming, Shared address space, Space-filling curves",

author = "Berger, {M. J.} and Aftosmis, {M. J.} and Marshall, {D. D.} and Murman, {S. M.}",

note = "Funding Information: Marsha Berger was supported by AFOSR grant F19620-00-0099 and by DOE grants DE-FG02-00ER25053 and DE-FC02-01ER25472. David Marshall was supported by NASA{\textquoteright}s Graduate Student Research Program.",

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AU - Aftosmis, M. J.

AU - Marshall, D. D.

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KW - Shared address space

KW - Space-filling curves

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Performance of a new CFD flow solver using a hybrid programming paradigm

Abstract

Keywords

ASJC Scopus subject areas

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