Stochastic finite elements: a spectral approach
Stochastic finite elements: a spectral approach
Model order-reduction of RC(L) interconnect including variational analysis
Proceedings of the 36th annual ACM/IEEE Design Automation Conference
Modeling uncertainty in flow simulations via generalized polynomial chaos
Journal of Computational Physics
Design for Variability in DSM Technologies
ISQED '00 Proceedings of the 1st International Symposium on Quality of Electronic Design
Stochastic Power Grid Analysis Considering Process Variations
Proceedings of the conference on Design, Automation and Test in Europe - Volume 2
Fast interval-valued statistical interconnect modeling and reduction
Proceedings of the 2005 international symposium on Physical design
Stochastic analysis of interconnect performance in the presence of process variations
Proceedings of the 2004 IEEE/ACM International conference on Computer-aided design
Variational Interconnect Delay Metrics for Statistical Timing Analysis
ISQED '06 Proceedings of the 7th International Symposium on Quality Electronic Design
ICCAD '05 Proceedings of the 2005 IEEE/ACM International conference on Computer-aided design
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Statistical timing analysis under spatial correlations
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Fast interval-valued statistical modeling of interconnect and effective capacitance
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Variational capacitance modeling using orthogonal polynomial method
Proceedings of the 18th ACM Great Lakes symposium on VLSI
Variational capacitance extraction and modeling based on orthogonal polynomial method
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Uncertainty quantification for integrated circuits: stochastic spectral methods
Proceedings of the International Conference on Computer-Aided Design
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In this paper, we propose a novel statistical model order reduction technique, called statistical spectrum model order reduction (SS-MOR) method, which considers both intra-die and inter-die process variations with spatial correlations. The SSMOR generates order-reduced variational models based on given variational circuits. The reduced model can be used for fast statistical performance analysis of interconnect circuits with variational input sources, such as power grid and clock networks. The SSMOR uses statistical spectrum method to compute the variational moments and Monte Carlo sampling method with the modified Krylov subspace reduction method to generate the variational reduced models. To consider spatial correlations, we apply orthogonal decomposition to map the correlated random variables into independent and uncorrelated variables. Experimental results show that the proposed method can deliver about 100x speedup over the pure Monte Carlo projection-based reduction method with about 2% of errors for both means and variances in statistical transient analysis.