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Accelerated parallel computation of field quantities for the boundary element method applied to stress analysis using multi-core CPUs, GPUs and FPGAs

Title:

Accelerated parallel computation of field quantities for the boundary element method applied to stress analysis using multi-core CPUs, GPUs and FPGAs

Gu, Junjie and Zsaki, Attila Michael (2018) Accelerated parallel computation of field quantities for the boundary element method applied to stress analysis using multi-core CPUs, GPUs and FPGAs. Cogent Engineering, 5 (1). pp. 1-21. ISSN 2331-1916

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Official URL: http://dx.doi.org/10.1080/23311916.2018.1493713

Abstract

Computation in engineering and science can often benefit from acceleration due to lengthy calculation times for certain classes of numerical models. This paper, using a practical example drawn from computational mechanics, formulates an accelerated boundary element algorithm that can be run in parallel on multi-core CPUs, GPUs and FPGAs. Although the computation of field quantities, such as displacements and stresses, using boundary elements is specific to mechanics, it can be used to highlight the strengths and weaknesses of using hardware acceleration. After the necessary equations were developed and the algorithmic implementation was summarized, each hardware platform was used to run a set of test cases. Both time-to-solution and relative speedup were used to quantify performance as compared to a serial implementation and to a multi-core implementation as well. Parameters, such as the number of threads in a workgroup and power consumption were considered and recommendations are given concerning the merits of each hardware accelerator.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Article
Refereed:Yes
Authors:Gu, Junjie and Zsaki, Attila Michael
Journal or Publication:Cogent Engineering
Date:2018
Funders:
  • Concordia Open Access Author Fund
  • Concordia ENCS Faculty Graduate Support program (GSSP)
  • Natural Sciences and Engineering Research Council of Canada’s (NSERC) Discovery Grant program, Concordia University – NSERC Govt. Canada [grant number N01088]
Digital Object Identifier (DOI):10.1080/23311916.2018.1493713
Keywords:accelerated computation; GPU; FPGA; multi-core CPU; numerical stress analysis; OpenCL
ID Code:984120
Deposited By: KRISTA ALEXANDER
Deposited On:08 Aug 2018 12:36
Last Modified:08 Aug 2018 12:36

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