ParFUM: a parallel framework for unstructured meshes for scalable dynamic physics applications

Authors:
Orion S. Lawlor;Sayantan Chakravorty;Terry L. Wilmarth;Nilesh Choudhury;Isaac Dooley;Gengbin Zheng;Laxmikant V. Kalé
Affiliations:
University of Alaska at Fairbanks, Department of Computer Science, Fairbanks, AK, USA;University of Illinois at Urbana-Champaign, Department of Computer Science, Urbana, IL, USA;University of Illinois at Urbana-Champaign, Department of Computer Science, Urbana, IL, USA;University of Illinois at Urbana-Champaign, Department of Computer Science, Urbana, IL, USA;University of Illinois at Urbana-Champaign, Department of Computer Science, Urbana, IL, USA;University of Illinois at Urbana-Champaign, Department of Computer Science, Urbana, IL, USA;University of Illinois at Urbana-Champaign, Department of Computer Science, Urbana, IL, USA
Venue:
Engineering with Computers
Year:
2006

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Abstract

Unstructured meshes are used in many engineering applications with irregular domains, from elastic deformation problems to crack propagation to fluid flow. Because of their complexity and dynamic behavior, the development of scalable parallel software for these applications is challenging. The Charm++ Parallel Framework for Unstructured Meshes allows one to write parallel programs that operate on unstructured meshes with only minimal knowledge of parallel computing, while making it possible to achieve excellent scalability even for complex applications. Charm++’s message-driven model enables computation/communication overlap, while its run-time load balancing capabilities make it possible to react to the changes in computational load that occur in dynamic physics applications. The framework is highly flexible and has been enhanced with numerous capabilities for the manipulation of unstructured meshes, such as parallel mesh adaptivity and collision detection.