Incremental Simulation and Simulation-on-Demand for Large-Scale Circuit Simulation by Using Selective Tracing Waveform Relaxation Algorithm

2008 ◽  
Author(s):  
Chun-Jung Chen ◽  
Li-Ping Chou ◽  
Allen Y. Chang
Keyword(s):  
Large Scale ◽  
Circuit Simulation ◽  
Waveform Relaxation ◽  
Relaxation Algorithm ◽  
On Demand

Using Backward-Traversing Waveform Relaxation Algorithm to Perform Incremental Simulation and Simulation-on-Demand for Circuit Simulation

2012 ◽  
Vol 433-440 ◽  
pp. 2837-2843
Author(s):  
Chun Jung Chen ◽  
Chih Jen Lee ◽  
Chang Lung Tsai ◽  
Allen Y. Chang ◽  
Tai Ning Yang ◽  
...  
Keyword(s):  
Circuit Simulation ◽  
Experimental Results ◽  
Waveform Relaxation ◽  
Simulation Algorithm ◽  
Relaxation Algorithm ◽  
On Demand

This paper considers the repeated-executing characteristics of circuit simulators in practical situations, and raises according methods. These methods are incremental simulation and simulation-on-demand (SOD, just simulate the portion of circuit contributing to user-wanted outputs). A specialized relaxation-based algorithm, Backward-traversing Waveform Relaxation (BTWR), is adopted as the fundamental simulation algorithm. All proposed methods have been implemented and tested. Experimental results justify the values of proposed methods.

Waveform Relaxation-Based Large-Scale Circuit Simulation for MOSFET and Lossy Coupled Transmission Line Circuits

2011 ◽  
Vol 383-390 ◽  
pp. 2031-2037
Author(s):  
Chun Jung Chen ◽  
Chih Jen Lee ◽  
Chang Lung Tsai ◽  
Allen Y. Chang ◽  
Tien Hao Shih
Keyword(s):  
Transmission Line ◽  
Circuit Design ◽  
Transmission Lines ◽  
Large Scale ◽  
Circuit Simulation ◽  
Waveform Relaxation ◽  
Full Time ◽  
Calculation Algorithm ◽  
Simulation Process ◽  
Coupled Transmission Lines

In this paper, we propose a modified Waveform Relaxation algorithm to perform large-scale circuit simulation for MOSFET circuits containing lossy coupled transmission lines that have been encountered in modern circuit design community, in which a full time-domain transmission line calculation algorithm based on the Method of Characteristic is adopted. New software techniques are proposed to enhance the robustness as well as efficiency of the simulation process. All proposed methods have been implemented and executed to justify the claimed advantages.

Parallel Circuit Simulation by Using Simulation-on-Demand and Iterated Timing Analysis

2014 ◽  
Vol 577 ◽  
pp. 636-639
Author(s):  
Chun Jung Chen ◽  
Jenn Dong Sun ◽  
Tai Ning Yang ◽  
Chih Jen Lee
Keyword(s):  
Load Balancing ◽  
Large Scale ◽  
Circuit Simulation ◽  
Timing Analysis ◽  
Simulation Method ◽  
Experimental Results ◽  
Analysis Algorithm ◽  
On Demand ◽  
Parallel Circuit

This paper considers utilizing the popular ITA (Iterated Timing Analysis) algorithm in CSM (Combining Simulation Method) to do parallel large-scale circuit simulation. An automatic partitioning method for jobs of CSM is presented, in which the related load balancing issue is also discussed. All proposed methods have been implemented and tested. Experimental results justify pleasing effects of proposed methods.

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