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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xueqian Zhao Zhuo Feng |
| Copyright Year | 2012 |
| Description | Author affiliation: Department of ECE, Michigan Technological University, Houghton, MI, 49931 (Xueqian Zhao; Zhuo Feng) |
| Abstract | SPICE-accurate simulation of present-day large-scale nonlinear integrated circuit (IC) systems with millions of linear/nonlinear components can be prohibitively expensive, and thus extremely challenging. In this paper, we present a novel support-circuit preconditioning (SCP) technique for tackling large-scale nonlinear circuit simulations by exploiting sparsified graphs of a given circuit network. By extracting support graphs (SGs) from the original linear circuit networks, and combining them with nonlinear devices, support-circuit preconditioner can be efficiently computed using existing matrix solvers, allowing for on-the-fly updates during transient simulations when adopted in Krylov-subspace iterative solvers. Experimental results for a variety of large-scale circuit designs show that the proposed method achieves up to 22μ speedups in solving the matrices involved in DC and transient (TR) simulations, and up to 8μ reduction in memory usage, when compared with the simulator powered by the state-of-the-art direct solver KLU. |
| Starting Page | 1119 |
| Ending Page | 1124 |
| File Size | 658936 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781450311991 |
| ISSN | 0738100X |
| e-ISBN | 9781450311991 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-03 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Association for Computing Machinery, Inc. (ACM) |
| Subject Keyword | Integrated circuit modeling Nonlinear circuits Transient analysis Sparse matrices Runtime System-on-a-chip Iterative methods Preconditioner Transient Simulation Iterative Methods |
| Content Type | Text |
| Resource Type | Article |
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