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Block Tridiagonal Solvers on Heterogeneous Architectures

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4 Author(s)
Pedro Valero-Lara ; Unidad de Modelizacion y Simulacion Numerica, CIEMAT, Madrid, Spain ; Alfredo Pinelli ; Julien Favier ; Manuel Prieto Matias

Modern multi-core and many-core systems offer a very impressive cost/performance ratio. In this paper a set of new parallel implementations for the solution of linear systems with block-tridiagonal coefficient matrix on current parallel architectures is proposed and evaluated: one of them on multi-core, others on many-core and finally, a new heterogeneous implementation on both architectures. The results show a speedup higher than 6 on certain parts of the problem, being the heterogeneous implementation the fastest.

Published in:

2012 IEEE 10th International Symposium on Parallel and Distributed Processing with Applications

Date of Conference:

10-13 July 2012