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Bayesian model fusion: large-scale performance modeling of analog and mixed-signal circuits by reusing early-stage data

Published: 29 May 2013 Publication History

Abstract

Efficient high-dimensional performance modeling of today's complex analog and mixed-signal (AMS) circuits with large-scale process variations is an important yet challenging task. In this paper, we propose a novel performance modeling algorithm that is referred to as Bayesian Model Fusion (BMF). Our key idea is to borrow the simulation data generated from an early stage (e.g., schematic level) to facilitate efficient high-dimensional performance modeling at a late stage (e.g., post layout) with low computational cost. Such a goal is achieved by statistically modeling the performance correlation between early and late stages through Bayesian inference. Several circuit examples designed in a commercial 32nm CMOS process demonstrate that BMF achieves up to 9x runtime speedup over the traditional modeling technique without surrendering any accuracy.

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        cover image ACM Conferences
        DAC '13: Proceedings of the 50th Annual Design Automation Conference
        May 2013
        1285 pages
        ISBN:9781450320719
        DOI:10.1145/2463209
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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        Published: 29 May 2013

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        • (2024)Post-layout simulation driven analog circuit sizingScience China Information Sciences10.1007/s11432-022-3878-567:4Online publication date: 20-Mar-2024
        • (2023)Analog RF Circuit Sizing by a Cascade of Shallow Neural NetworksIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2023.328257042:12(4391-4401)Online publication date: 1-Dec-2023
        • (2023)AMS circuit modeling by Bayesian Model Fusion2023 International Conference on Control, Communication and Computing (ICCC)10.1109/ICCC57789.2023.10165321(1-5)Online publication date: 19-May-2023
        • (2023)FuNToM: Functional Modeling of RF Circuits Using a Neural Network Assisted Two-Port Analysis Method2023 IEEE/ACM International Conference on Computer Aided Design (ICCAD)10.1109/ICCAD57390.2023.10323890(1-8)Online publication date: 28-Oct-2023
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        • (2022)Building Post-layout Performance Model of Analog/RF Circuits by Fine-tuning Technique2022 23rd International Symposium on Quality Electronic Design (ISQED)10.1109/ISQED54688.2022.9806251(1-6)Online publication date: 6-Apr-2022
        • (2020)Noise Suppression of Artificial Intelligence Filter for Radio Frequency Interference2020 IEEE International Conference on Consumer Electronics - Taiwan (ICCE-Taiwan)10.1109/ICCE-Taiwan49838.2020.9258177(1-2)Online publication date: 28-Sep-2020
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