Abstract
A serial Fortran 77 micromagnetics code, which simulates the behaviour of thin-film media, was parallelised using both shared memory and message passing paradigms, and run on an SGI Challenge, a Cray T3D and an SGI Origin 2000. We report the observed performance of the code, noting some important effects due to cache behaviour. We also demonstrate how certain commonly-used presentation methods can disguise the true performance profile of a code.
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© 1998 Springer-Verlag Berlin Heidelberg
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MacLaren, J.M., Bull, J.M. (1998). Lessons learned when comparing shared memory and message passing codes on three modern parallel architectures. In: Sloot, P., Bubak, M., Hertzberger, B. (eds) High-Performance Computing and Networking. HPCN-Europe 1998. Lecture Notes in Computer Science, vol 1401. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0037160
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DOI: https://doi.org/10.1007/BFb0037160
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