Overview

Black-box optimization studies how to choose inputs that maximize or minimize an objective when its internal workings or gradients are unavailable, often because each evaluation is costly. Common approaches include Gaussian-process Bayesian optimization, evolutionary strategies such as CMA-ES and differential evolution, and bandit or partitioning methods that balance exploration with refinement. Surrogate models, multi-fidelity evaluations, and learned or generative proposals extend these methods to noisy, constrained, discrete, and high-dimensional tasks, including scientific design and system tuning. Benchmarks such as COCO/BBOB and CEC help compare methods, but performance often depends on the problem and evaluation budget, leaving robust transfer and fair comparisons across settings as central challenges.

Latest papers

CardsList

177 papers25 papers in the last four weeks, up 25% on the four weeks before. 0.1% of all new papers.

  1. Improving FMQA via Initial Training Data Design Considering Marginal Bit Coverage in One-Hot Encoding

    May 6, 2026Taiga Hayashi, Yuya Seki, Kotaro Terada +3Black-Box Optimization

  2. Bandits attack function optimization

    May 5, 2026Philippe Preux, Rémi Munos, Michal ValkoBlack-Box OptimizationGlobal Optimization

  3. Caliper-in-the-Loop: Black-Box Optimization for Hyperledger Fabric Performance Tuning

    May 4, 2026Yash Madhwal, Arseny Bolotnikov, Mark Prikhno +5Bayesian OptimizationBlack-Box Optimization

  4. Black-box optimization of noisy functions with unknown smoothness

    May 4, 2026Jean-Bastien Grill, Michal Valko, Rémi MunosBlack-Box OptimizationZeroth-Order Optimization

  5. Training Non-Differentiable Networks via Optimal Transport

    May 3, 2026An T. LeBlack-Box OptimizationNeural Network Optimization

  6. Learning to Act and Cooperate for Distributed Black-Box Consensus Optimization

    May 1, 2026Zi-Bo Qin, Feng-Feng Wei, Tai-You Chen +1Multi-Agent System OptimizationMulti-Agent Coordination

  7. Bayesian Optimization in Linear Time

    Apr 30, 2026Jesse Schneider, William J. WelchBayesian OptimizationBlack-Box Optimization

  8. Relation Reasoning with LLMs in Expensive Optimization

    Apr 30, 2026Ye Lu, Bingdong Li, Aimin Zhou +1Surrogate-Assisted OptimizationBlack-Box Optimization

  9. RCMAES: A Robust CMA-ES Variant for CEC2026 Competition

    Apr 29, 2026Khoirul Faiq Muzakka, Sören Möller, Martin FinsterbuschEvolutionary OptimizationBlack-Box Optimization

  10. Feasible-First Exploration for Constrained ML Deployment Optimization in Crash-Prone Hierarchical Search Spaces

    Apr 27, 2026Christian LysenstøenBayesian OptimizationBlack-Box Optimization

  11. Rethinking Trust Region Bayesian Optimization in High Dimensions

    Apr 24, 2026Wei-Ting Tang, Joel A. PaulsonBayesian OptimizationBlack-Box Optimization

  12. BOOOM: Loss-Function-Agnostic Black-Box Optimization over Orthonormal Manifolds for Machine Learning and Statistical Inference

    Apr 23, 2026Beomchang Kim, Subhrajyoty Roy, Priyam DasStiefel Manifold OptimizationBlack-Box Optimization

  13. Similarity-based Portfolio Construction for Black-box Optimization

    Apr 20, 2026Catalin-Viorel Dinu, Diederick Vermetten, Carola DoerrAlgorithm SelectionBlack-Box Optimization

  14. SLO-Guard: Crash-Aware, Budget-Consistent Autotuning for SLO-Constrained LLM Serving

    Apr 19, 2026Christian LysenstøenLLM Inference EfficiencyLLM Serving

  15. Adaptive multi-fidelity optimization with fast learning rates

    Apr 17, 2026Come Fiegel, Victor Gabillon, Michal ValkoMulti-Fidelity OptimizationBlack-Box Optimization

  16. Stein Variational Black-Box Combinatorial Optimization

    Apr 17, 2026Thomas Landais, Olivier Goudet, Adrien Goëffon +2Stochastic OptimizationBlack-Box Optimization

  17. Frenetic Cat-inspired Particle Optimization: a Markov state-switching hybrid swarm optimizer with application to cardiac digital twinning

    Apr 17, 2026Jorge Sánchez, Guadalupe García-Isla, Sandra Perez-Herrero +2Black-Box OptimizationMetaheuristic Optimization

  18. Optimization with SpotOptim

    Apr 15, 2026Thomas Bartz-BeielsteinBlack-Box OptimizationSurrogate-Assisted Optimization

  19. Does Dimensionality Reduction via Random Projections Preserve Landscape Features?

    Apr 14, 2026Iván Olarte Rodríguez, Anja Jankovic, Thomas Bäck +1Black-Box OptimizationRandomized Sketching

  20. Black-Box Optimization From Small Offline Datasets via Meta Learning with Synthetic Tasks

    Apr 14, 2026Azza Fadhel, The Hung Tran, Trong Nghia Hoang +1Black-Box OptimizationSurrogate-Assisted Optimization

  21. Obtaining Partition Crossover masks using Statistical Linkage Learning for solving noised optimization problems with hidden variable dependency structure

    Apr 13, 2026M. W. Przewozniczek, B. Frej, M. M. Komarnicki +2Evolutionary OptimizationBlack-Box Optimization

  22. Geometric Probing for Algorithm Selection in Continuous Black-Box Optimization

    Apr 10, 2026Jiabao Brad Wang, Xiang Shi, Yiliang Yuan +1Algorithm SelectionBlack-Box Optimization

  23. One-Shot Localisation of the Global Minimum of a Noisy One-Dimensional Function: A Controlled Comparison of an Iterative Neural Minimizer, Set Transformers and Classical Estimators

    Apr 4, 2026Qusay Muzaffar, David Levin, Michael WermanBlack-Box OptimizationZeroth-Order Optimization

  24. Accelerating Black-Box Bilevel Optimization with Rank-Based Upper-Level Value Function Approximation

    Apr 3, 2026Marc Ong, Youhei AkimotoBilevel OptimizationBlack-Box Optimization

  25. Can an Actor-Critic Optimization Framework Improve Analog Design?

    Mar 25, 2026Sounak Dutta, Fin Amin, Sushil Panda +3Analog Circuit SizingElectronic Design Automation