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Optimizing the Energy Efficiency of Power Supply in Heterogeneous Multicore Chips with Integrated Switched-Capacitor Converters | IEEE Conference Publication | IEEE Xplore

Optimizing the Energy Efficiency of Power Supply in Heterogeneous Multicore Chips with Integrated Switched-Capacitor Converters


Abstract:

Energy efficiency is a major concern in heterogeneous multi-core chips. Due to the switching-capacitor converter (SCC) has wide output voltages and high potential ratio e...Show More

Abstract:

Energy efficiency is a major concern in heterogeneous multi-core chips. Due to the switching-capacitor converter (SCC) has wide output voltages and high potential ratio efficiency, they are widely used in multi-core chips. In this paper we propose the optimization of Metal-Insulator-Metal (MIM) capacitance resource allocation and converter ratio selection for SCCs to improve the power efficiency by transforming the mixed integer nonlinear programming (MINLP) problems into a series of convex problems. The experimental results show that our approach can achieve a 9%-13% improvement in power efficiency and can be applied to more complicated heterogeneous multicore scenarios.
Date of Conference: 25-29 March 2019
Date Added to IEEE Xplore: 16 May 2019
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Conference Location: Florence, Italy
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, P. R. China
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China

School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, P. R. China
School of Information Science and Technology, ShanghaiTech University, Shanghai, P. R. China
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