Stochastic Non-homogeneous Arnoldi Method for Analysis of On-Chip Power Grid Networks under Process Variations
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概要
- 論文の詳細を見る
In this paper, a Stochastic Non-Homogeneous ARnoldi (SNHAR) method is proposed for the analysis of the on-chip power grid networks in the presence of process variations. In SNHAR method, the polynomial chaos based stochastic method is employed to handle the variations of power grids. Different from the existing StoEKS method which uses extended Krylov Subspace (EKS) method to compute the coefficients of the polynomial chaos, a computation-efficient and numerically stable Non-Homogeneous ARnoldi (NHAR) method is employed in SNHAR method to compute the coefficients of the polynomial chaos. Compared with EKS method, NHAR method has superior numerical stability and can achieve remarkably higher accuracy with even lower computational cost. As a result, SNHAR can capture the stochastic characteristics of the on-chip power grid networks with higher accuracy, but even lower computational cost than StoEKS.
- （社）電子情報通信学会の論文
- 2011-04-01
著者
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Yang Fan
State Key Lab. Of Asic & System Moe Key Lab. For Computational Physical Sciences Fudan Universit
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ZENG Xuan
State Key Lab. of ASIC & System, MOE Key Lab. for Computational Physical Sciences, Fudan University
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Zeng Xuan
State Key Lab. Of Asic & System Fudan University
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GUI Zhihua
State Key Lab. of ASIC & System, Fudan University
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Gui Zhihua
State Key Lab. Of Asic & System Fudan University
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Yang Fan
State Key Lab. Of Asic & System Fudan Univ.
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Yang Fan
State Key Lab. Of Asic & System Fudan University
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