Scaling benchmark of eSyS-particle for elastic wave propagation simulations

Weatherley, Dion K., Boros, Vince E., Hancock, William R. and Abe, Steffen (2010). Scaling benchmark of eSyS-particle for elastic wave propagation simulations. In: Sixth IEEE International Conference on eScience. IEEEeScience 2010, Brisbane, Qld, Australia, (277-283). 7-10 December 2010. doi:10.1109/eScience.2010.40

Author Weatherley, Dion K.
Boros, Vince E.
Hancock, William R.
Abe, Steffen
Title of paper Scaling benchmark of eSyS-particle for elastic wave propagation simulations
Conference name IEEEeScience 2010
Conference location Brisbane, Qld, Australia
Conference dates 7-10 December 2010
Proceedings title Sixth IEEE International Conference on eScience
Journal name Proceedings - 2010 6th IEEE International Conference on e-Science, eScience 2010
Place of Publication Washington DC, U.S.A.
Publisher IEEE Computer Society Press
Publication Year 2010
Sub-type Fully published paper
DOI 10.1109/eScience.2010.40
ISBN 9780769542904
Volume 6
Start page 277
End page 283
Total pages 7
Collection year 2011
Language eng
Abstract/Summary The Discrete Element Method (DEM) is a popular particle-based numerical method for simulating geophysical processes including earthquakes, rock breakage and granular flow. Often simulations consisting of thousands of particles have insufficient resolution to reproduce the micromechanics of many geophysical processes, requiring millions of particles in some instances. The high computational expense of the DEM precludes execution of such problem sizes on desktop PCs. ESyS-Particle is a parallel implementation of the DEM, designed for execution on cluster supercomputers. Three-dimensional spatial domain decomposition is implemented using the MPI for interprocess communications. We present results of scaling benchmarks in which problem size per worker remains constant. As the number of workers increases from 27 to 1000, execution time remains near-constant, permitting simulations of 8.7M particles in approximately the same real time as simulations comprising 240K particles.
Subjects 970104 Expanding Knowledge in the Earth Sciences
04 Earth Sciences
Keyword ESyS-particle
Discrete element method
Particle-based numerical method
High-performance computing
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes session Research Tools and Novel Infrastructure V

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Created: Mon, 18 Oct 2010, 14:29:13 EST by Mr Vince Boros on behalf of Earth Systems Science Computational Centre