Journal of Computational Electronics

, Volume 14, Issue 4, pp 922–929 | Cite as

Domain decomposition strategies for the two-dimensional Wigner Monte Carlo Method

  • Josef WeinbubEmail author
  • Paul Ellinghaus
  • Mihail Nedjalkov


A domain decomposition approach for the parallelization of the Wigner Monte Carlo method allows the huge memory requirements to be distributed amongst many computational units, thereby making large multi-dimensional simulations feasible. Two domain decomposition techniques—a uniform slab and uniform block decomposition—are compared and the design and implementation of the block decomposition approach, using the message passing interface, is discussed. The parallel performance of the two approaches is evaluated by simulating a representative physical problem. Our results show that the presumably inferior slab decomposition method is in fact superior to the block decomposition approach, due to the additional overhead incurred by the block decomposition method to set up its communication layer.


Wigner Monte Carlo Domain decomposition Message passing interface 



The computational results presented have been achieved using the Vienna Scientific Cluster (VSC).


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Institute for MicroelectronicsTU WienViennaAustria

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