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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Performance Measurement of Parallel Vlasov Code for Space Plasma on Scalar-Type Supercomputer Systems with Large Number of Cores
verfasst von : Takayuki Umeda, Keiichiro Fukazawa
Erschienen in: AsiaSim 2013
Verlag: Springer Berlin Heidelberg
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Space plasma is a collisionless, multi-scale, and highly nonlinear medium. Computer simulations with the first-principle kinetic equation are essential for studying multi-scale processes in space plasma. We develop a parallel Vlasov (collisionless Boltzmann) simulation code for practical use on currently-existing supercomputer systems. The weak-scaling benchmark test shows that our parallel Vlasov code achieves a high performance and a high scalability. The parallel Vlasov code is applied to various physical problems in space plasma, such as cross-scale coupling between fluid scales and particle kinetic scales.