Search Results for author: Wei W. Xing

Found 9 papers, 2 papers with code

Equation Discovery with Bayesian Spike-and-Slab Priors and Efficient Kernels

1 code implementation9 Oct 2023 Da Long, Wei W. Xing, Aditi S. Krishnapriyan, Robert M. Kirby, Shandian Zhe, Michael W. Mahoney

To overcome the computational challenge of kernel regression, we place the function values on a mesh and induce a Kronecker product construction, and we use tensor algebra to enable efficient computation and optimization.

regression Uncertainty Quantification

Seeking the Yield Barrier: High-Dimensional SRAM Evaluation Through Optimal Manifold

no code implementations28 Jul 2023 Yanfang Liu, Guohao Dai, Wei W. Xing

We then generalize it with infinite components and derive the novel optimal manifold concept, which bridges the surrogate-based and importance sampling (IS) yield estimation methods.

Differentiable Multi-Fidelity Fusion: Efficient Learning of Physics Simulations with Neural Architecture Search and Transfer Learning

no code implementations12 Jun 2023 Yuwen Deng, Wang Kang, Wei W. Xing

With rapid progress in deep learning, neural networks have been widely used in scientific research and engineering applications as surrogate models.

Neural Architecture Search Transfer Learning

GAR: Generalized Autoregression for Multi-Fidelity Fusion

no code implementations13 Jan 2023 Yuxin Wang, Zheng Xing, Wei W. Xing

In many scientific research and engineering applications where repeated simulations of complex systems are conducted, a surrogate is commonly adopted to quickly estimate the whole system.

High-Dimensional Yield Estimation using Shrinkage Deep Features and Maximization of Integral Entropy Reduction

no code implementations5 Dec 2022 Shuo Yin, Guohao Dai, Wei W. Xing

Despite the fast advances in high-sigma yield analysis with the help of machine learning techniques in the past decade, one of the main challenges, the curse of dimensionality, which is inevitable when dealing with modern large-scale circuits, remains unsolved.

Enhanced Gaussian Process Dynamical Models with Knowledge Transfer for Long-term Battery Degradation Forecasting

1 code implementation3 Dec 2022 Wei W. Xing, Ziyang Zhang, Akeel A. Shah

To improve the accuracy of predictive estimates, especially early in the battery lifetime, a number of algorithms have incorporated features that are available from data collected by battery management systems.

Transfer Learning

E-LMC: Extended Linear Model of Coregionalization for Spatial Field Prediction

no code implementations1 Mar 2022 Shihong Wang, Xueying Zhang, Yichen Meng, Wei W. Xing

Physical simulations based on partial differential equations typically generate spatial fields results, which are utilized to calculate specific properties of a system for engineering design and optimization.

Physical Simulations

BoA-PTA, A Bayesian Optimization Accelerated Error-Free SPICE Solver

no code implementations31 Jul 2021 Wei W. Xing, Xiang Jin, Yi Liu, Dan Niu, Weishen Zhao, Zhou Jin

One of the greatest challenges in IC design is the repeated executions of computationally expensive SPICE simulations, particularly when highly complex chip testing/verification is involved.

Bayesian Optimization Variational Inference

Residual Gaussian Process: A Tractable Nonparametric Bayesian Emulator for Multi-fidelity Simulations

no code implementations8 Apr 2021 Wei W. Xing, Akeel A. Shah, Peng Wang, Shandian Zhe Qian Fu, Robert. M. Kirby

The resulting model is equipped with a closed-form solution for the predictive posterior, making it applicable to advanced, high-dimensional tasks that require uncertainty estimation.

Active Learning

Cannot find the paper you are looking for? You can Submit a new open access paper.