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Publisher's URL: http://dx.doi.org/10.1109/APMC.2008.4958494
We present performance benchmark results for a parallel alternating direction implicit finite difference time domain (ADI-FDTD) solver with convolution perfectly matched layer boundary conditions on a high performance computer cluster using a message passing interface library. Parallel implementations of ADI-FDTD are necessary to increase the maximum solvable problem size. ADI-FDTD solvers can reduce the overall run time of simulations requiring very fine meshing, compared to conventional FDTD, by overcoming the Courant-Friedrichs-Lewy constraint on the time step. We show that with careful minimization of the communication overhead, a scaling efficiency of 60-80% can be obtained for even the largest 3-D simulation that we characterize (8 billion mesh cells).
|Item Type:||Conference Proceedings|
|Additional Information:||ISBN: 9781424426416|
|Glasgow Author(s):||Stefanski, Mr Tomasz and Drysdale, Dr Timothy|
|Authors:||Stefanski, T.P., and Drysdale, T.D.|
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering|
|College/School:||College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering|
|Publisher:||IEEE Computer Society|