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Parallel waveform-Newton algorithms for circuit simulation

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2 Author(s)
Xia, E.Z. ; Illinois Univ., Urbana, IL, USA ; Saleh, R.A.

The parallelization of the waveform-relaxation-Newton (WRN) method for circuit simulation is described. The techniques are applied at three levels of granularity: subcircuits are processed in parallel for large-grain parallelism, time points are processed in parallel for medium-grain parallelism, and devices are processed in parallel for fine-grain parallelism. The effectiveness of each of these approaches is demonstrated with the PSPLAX program (which is a parallel version of a WRN program called SPLAX) using a number of industrial examples. Currently, PSPLAX is implemented on an Alliant FX/80 with eight processors. The results indicate that the combination of these approaches should be effective on larger systems

Published in:

Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on  (Volume:11 ,  Issue: 4 )

Date of Publication:

Apr 1992

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