期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 45, 期 10, 页码 3923-3925出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2009.2023866
关键词
Magnetic materials; parallel algorithms
Parallelization of a finite difference micromagnetic program on shared memory computer systems is studied. Efficiency is found to be limited by memory bandwidth, and techniques are introduced to reduce memory traffic. Computations are sped up by a factor of three with four processor cores; a factor of five is possible on some systems. This corresponds to a Karp-Flatt serial fraction of 5-10% for small core counts.
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