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Large-scale distributed computational fluid dynamics on the information power grid using Globus

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8 Author(s)
Barnard, S. ; NAS Div., NASA Ames Res. Center, Moffett Field, CA, USA ; Biswas, R. ; Saini, S. ; Van Der Wijngaart, R.
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This paper describes an experiment in which a large-scale scientific application developed for tightly-coupled parallel machines is adapted to the distributed execution environment of the Information Power Grid (IPG). A brief overview of the IPG and a description of the computational fluid dynamics (CFD) algorithm are given. The Globus metacomputing toolkit is used as the enabling device for the geographically-distributed computation. Modifications related to latency hiding and load balancing were required for an efficient implementation of the CFD application in the IPG environment. Performance results on a pair of SGI Origin 2000 machines indicate that real scientific applications can be effectively implemented on the IPG; however; a significant amount of continued effort is required to make such an environment useful and accessible to scientists and engineers

Published in:

Frontiers of Massively Parallel Computation, 1999. Frontiers '99. The Seventh Symposium on the

Date of Conference:

21-25 Feb 1999