AIBullisharXiv – CS AI · Jun 17/10
🧠Researchers demonstrate that large language models can effectively forecast GPU kernel performance, reducing expensive on-device evaluations during optimization searches. By acting as selective surrogates that know their confidence limits, LLMs enable kernel searches to evaluate multiple candidates under fixed GPU budgets, ultimately discovering faster kernels than baseline approaches.
AIBullisharXiv – CS AI · Apr 157/10
🧠AutoSurrogate is an LLM-driven framework that automates the construction of deep learning surrogate models for subsurface flow simulation, enabling domain scientists without machine learning expertise to build high-quality models through natural language instructions. The system autonomously handles data profiling, architecture selection, hyperparameter optimization, and quality assessment while managing failure modes, demonstrating superior performance to expert-designed baselines on geological carbon storage tasks.
AINeutralarXiv – CS AI · Jun 116/10
🧠Researchers propose a deep learning framework to replace traditional physics-based models for solving the forward problem in electrocardiology—predicting body surface ECG signals from cardiac electrical activity. The model achieves 99% accuracy while dramatically reducing computational time, offering potential for real-time clinical applications and digital twin development.
AINeutralarXiv – CS AI · Jun 106/10
🧠Researchers introduce Online Generative Active Sampling (OGAS), an active learning method that improves PDE surrogate models by strategically sampling challenging configurations during training. Using a parallel diffusion model to steer data generation toward difficult regimes, OGAS reduces worst-case prediction errors across multiple PDE types without significant computational overhead.
AINeutralarXiv – CS AI · Jun 106/10
🧠Researchers demonstrate that latent diffusion models (LDMs) can efficiently parameterize subsurface geological models for data assimilation, but reveal a critical trade-off: ensemble Kalman methods preserve geological realism poorly while Monte Carlo sampling methods achieve better uncertainty quantification at higher computational cost, with fast surrogate models enabling practical implementation.
AINeutralarXiv – CS AI · Jun 95/10
🧠Researchers propose EvoCSFL, a machine learning framework that optimizes client selection in federated learning systems by using surrogate models and evolutionary algorithms. The method balances model performance, communication latency, and energy consumption to achieve faster convergence and improved robustness compared to random selection approaches.
AINeutralarXiv – CS AI · Jun 96/10
🧠Researchers introduce SAILS, a model-agnostic framework that goes beyond detecting feature interactions in machine learning models to reveal their functional forms and characteristics. Using surrogate generalized additive models, SAILS categorizes interactions as linear, product-separable, or non-product-separable and provides tailored visualizations, advancing the field of explainable AI.
AINeutralarXiv – CS AI · Jun 26/10
🧠Researchers introduce sensitivity-conditioned Bernoulli flow matching to improve out-of-distribution generalization in topology optimization surrogate models. By conditioning on adjoint sensitivities—the gradient information that drives classical optimization—the approach achieves state-of-the-art performance across structural and computational fluid dynamics benchmarks under distribution shifts like changing loads and boundary conditions.
AIBullisharXiv – CS AI · May 276/10
🧠Researchers present U-PINet, a physics-informed neural network that accelerates 3D microwave scattering analysis for radar applications by combining graph-based near-field encoding with hierarchical multi-scale fusion, achieving faster computation than classical solvers while maintaining accuracy on complex geometries.
AIBullisharXiv – CS AI · May 276/10
🧠Researchers introduce Iterative Refinement Neural Operators (IRNO), a method that enhances neural operators by applying learned refinement modules iteratively to correct high-frequency prediction errors. The approach achieves up to 56% error reduction on turbulent flow simulations and demonstrates mathematical convergence guarantees through fixed-point iteration theory.
AINeutralarXiv – CS AI · May 116/10
🧠Researchers propose a novel Ensemble Distributionally Robust Bayesian Optimisation algorithm that addresses context distributional uncertainty in zeroth-order optimization. The method achieves sublinear regret bounds while remaining computationally tractable, improving upon existing state-of-the-art approaches.
AIBullisharXiv – CS AI · Mar 36/103
🧠Researchers introduce Hyperparameter Trajectory Inference (HTI), a method to predict how neural networks behave with different hyperparameter settings without expensive retraining. The approach uses conditional Lagrangian optimal transport to create surrogate models that approximate neural network outputs across various hyperparameter configurations.
AINeutralarXiv – CS AI · Mar 174/10
🧠Researchers introduce EAGLE, a new framework for explaining black-box machine learning models using information-theoretic active learning to select optimal data perturbations. The method produces feature importance scores with uncertainty estimates and demonstrates improved explanation reproducibility and stability compared to existing approaches like LIME.
AINeutralarXiv – CS AI · Feb 274/105
🧠Researchers developed a new AI-powered surrogate model for ECG simulations that combines geometry encoding with neural networks to predict lead-field gradients. The method achieves high accuracy (5° mean angular error, <2.5% relative error) while reducing computational costs and data requirements compared to traditional full-order models.
AINeutralarXiv – CS AI · Mar 34/105
🧠Researchers developed a new AI-powered surrogate model using XGBoost and CNNs to significantly reduce computational costs in phase field simulations for metal solidification processes. The adaptive uncertainty-guided approach achieves accurate predictions while requiring fewer expensive simulations and reducing CO2 emissions in additive manufacturing applications.
