Accelerating Stencil-Based Computations by Increased Temporal Locality on Modern Multi- and Many-Core Architectures

Christen, Matthias and Schenk, Olaf and Messmer, Peter and Neufeld, Esra and Burkhart, Helmar. (2008) Accelerating Stencil-Based Computations by Increased Temporal Locality on Modern Multi- and Many-Core Architectures. In: High-performance and hardware-aware computing : proceedings of the First International Workshop on New Frontiers in High-performance and Hardware-aware Computing (HipHaC'08). Karlsruhe, pp. 47-54.

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Official URL: http://edoc.unibas.ch/dok/A5254967

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Stencil computations arise in a wide range of applications of computational sciences. This paper focuses on stencil computations arising in the context of a biomedical simulation. Compute-intensive bio-medical simulations represent an attractive application for the Cell Broadband Engine Architecture (CBEA) and for graphics processing units (GPUs) as hardware accelerators. Due to the low arithmetic intensity of stencil computations and bandwidth limitations of the compute hardware, the performance is usually only a fraction of peak performance. We detail an implementation of parallel stencil computations on the CBEA and GPUs, which improves performance by exploiting temporal locality. We report on performance improvements over CPU implementations.
Faculties and Departments:05 Faculty of Science > Departement Mathematik und Informatik > Ehemalige Einheiten Mathematik & Informatik > High Performance and Web Computing (Burkhart)
UniBasel Contributors:Christen, Matthias and Schenk, Olaf and Burkhart, Helmar
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Note:Note: Erschienen im Tagungsband zum HipHaC'08 Kongress : Como, Italien, November 2008 (in conjunction with MICRO-41) -- Publication type according to Uni Basel Research Database: Conference paper
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Last Modified:22 Mar 2012 14:27
Deposited On:22 Mar 2012 13:58

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