SCHEDULE: NOV 12-18, 2011

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Parallelization of the Unified Curvilinear Ocean Atmospheric Model

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Mary Thomas, Jose Castillo

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
The Unified Curvilinear Ocean Atmospheric Model (UCOAM) is a Large Eddie Simulation (LES) CFD model capable of running both ocean and atmospheric simulations. It is the only environmental model in existence today using a full, 3D curvilinear coordinate system, which results in increased accuracy, resolution, and reduced times to solution. UCOAM is a petascale model: resolving sub-km scale fluctuations requires large arrays (1010 elements); the curvilinear system requires large number of arrays (~100); communication occurs along all 3 axes; and full simulations generate TBytes of data. Consequently, this model requires parallelization. To facilitate our computations and data management, we have developed a Computational Environment (CE) based on the Cyberinfrastructure Web Application Framework (CyberWeb). In this poster we discuss our approach and challenges associated with parallelizing this new model and the design of the computational environment. We will also present results from scalability studies of this new parallel model.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Mary Thomas - San Diego State University

Jose Castillo - San Diego State University

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