Toward an automated parallel computing environment for geosciences

Details Toward an automated parallel computing environment for geosciences Toward an automated parallel computing environment for geosciences

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007pepi..163....2z&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 163, Issue 1-4, p. 2-22.

Physics

Scientific paper

Software for geodynamic modeling has not kept up with the fast growing computing hardware and network resources. In the past decade supercomputing power has become available to most researchers in the form of affordable Beowulf clusters and other parallel computer platforms. However, to take full advantage of such computing power requires developing parallel algorithms and associated software, a task that is often too daunting for geoscience modelers whose main expertise is in geosciences. We introduce here an automated parallel computing environment built on open-source algorithms and libraries. Users interact with this computing environment by specifying the partial differential equations, solvers, and model-specific properties using an English-like modeling language in the input files. The system then automatically generates the finite element codes that can be run on distributed or shared memory parallel machines. This system is dynamic and flexible, allowing users to address different problems in geosciences. It is capable of providing web-based services, enabling users to generate source codes online. This unique feature will facilitate high-performance computing to be integrated with distributed data grids in the emerging cyber-infrastructures for geosciences. In this paper we discuss the principles of this automated modeling environment and provide examples to demonstrate its versatility.

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