I-LUTSim:基于迭代查找表的三维集成电路热模拟器

2013 18th Asia and South Pacific Design Automation Conference (ASP-DAC) Pub Date : 2013-04-29 DOI:10.1109/ASPDAC.2013.6509588

Chi-Wen Pan, Yu-Min Lee, Pei-Yu Huang, C. Yang, Chang-Tzu Lin, Chia-Hsin Lee, Yung-Fa Chou, D. Kwai

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引用次数: 4

摘要

本文提出了一个基于迭代查找表的热模拟器I-LUTSim，以有效地估计三维集成电路的温度分布。I-LUTSim包括两个阶段。首先，预处理阶段构建热脉冲响应表。然后，模拟阶段通过表查找迭代计算温度分布。采用此两阶段方案，与商用工具ANSYS相比，I-LUTSim的最大绝对误差小于0.41%。此外，对于全芯片温度模拟，I-LUTSim比快速矩阵求解器SuperLU[1]至少快一个数量级。

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I-LUTSim: An iterative look-up table based thermal simulator for 3-D ICs

This work presents an iterative look-up table based thermal simulator, I-LUTSim, to efficiently estimate the temperature profile of three-dimensional integrated circuits. I-LUTSim includes two stages. First, the pre-process stage constructs thermal impulse response tables. Then, the simulation stage iteratively calculates the temperature profile via the table lookup. With this two-stage scheme, the maximum absolute error of I-LUTSim is less than 0.41% compared with that of a commercial tool ANSYS. Moreover, I-LUTSim is at least an order of magnitude faster than a fast matrix solver SuperLU [1] for the full-chip temperature simulation.

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2013 18th Asia and South Pacific Design Automation Conference (ASP-DAC)

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