Stochastic Zeroth-order Optimization in High Dimensions
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Abstract (arXiv)
We consider the problem of optimizing a high-dimensional convex function using stochastic zeroth-order queries. Under sparsity assumptions on the gradients or function values, we present two algorithms: a successive component/feature selection algorithm and a noisy mirror descent algorithm using Lasso gradient estimates, and show that both algorithms have convergence rates that de- pend only logarithmically on the ambient dimension of the problem. Empirical results confirm our theoretical findings and show that the algorithms we design outperform classical zeroth-order optimization methods in the high-dimensional setting.
Key facts. Cited by 63 papers in the map (data through 14 Oct 2026). First posted on arXiv 29 Oct 2017.
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Citing papers per year: 2021: 10; 2022: 8; 2023: 10; 2024: 9; 2025: 13; 2026: 13.
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- 2023Fine-Tuning Language Models with Just Forward Passescited by 345
- 2024Revisiting Zeroth-Order Optimization for Memory-Efficient LLM Fine-Tuning: A Benchmarkcited by 114
- 2023DeepZero: Scaling up Zeroth-Order Optimization for Deep Model Trainingcited by 76
- 2023InstructZero: Efficient Instruction Optimization for Black-Box Large Language Modelscited by 68
- 2024Sparse MeZO: Less Parameters for Better Performance in Zeroth-Order LLM Fine-Tuningcited by 54
- 2021A Zeroth-Order Block Coordinate Descent Algorithm for Huge-Scale Black-Box Optimizationcited by 46
- 2022Gradient-Free Methods for Deterministic and Stochastic Nonsmooth Nonconvex Optimizationcited by 43
- 2021Zero-Shot Knowledge Distillation from a Decision-Based Black-Box Modelcited by 37
- 2023Gradient-Free Textual Inversioncited by 29
- 2023DPZero: Private Fine-Tuning of Language Models without Backpropagationcited by 26
- 2023Faster Gradient-Free Algorithms for Nonsmooth Nonconvex Stochastic Optimizationcited by 17
- 2021Online Statistical Inference for Stochastic Optimization via Kiefer-Wolfowitz Methodscited by 14
38 more
- 2025ComPO: Preference Alignment via Comparison Oraclescited by 13
- 2023Efficient Federated Prompt Tuning for Black-box Large Pre-trained Modelscited by 12
- 2024Gradient Compressed Sensing: A Query-Efficient Gradient Estimator for High-Dimensional Zeroth-Order Optimizationcited by 12
- 2022On Adaptivity in Non-stationary Stochastic Optimization With Bandit Feedbackcited by 11
- 2023ZooPFL: Exploring Black-box Foundation Models for Personalized Federated Learningcited by 9
- 2024Simultaneous Computation and Memory Efficient Zeroth-Order Optimizer for Fine-Tuning Large Language Modelscited by 9
- 2021Curvature-Aware Derivative-Free Optimizationcited by 7
- 2022Stochastic Zeroth Order Gradient and Hessian Estimators: Variance Reduction and Refined Bias Boundscited by 7
- 2021Statistical Inference for Polyak-Ruppert Averaged Zeroth-order Stochastic Gradient Algorithmcited by 6
- 2021Global optimization using random embeddingscited by 6
- 2025Boosting Offline Optimizers with Surrogate Sensitivitycited by 6
- 2021Problem Dependent View on Structured Thresholding Bandit Problemscited by 5
- 2026Improved Dimension Dependence for Bandit Convex Optimization with Gradient Variationscited by 5
- 2021SGD with Coordinate Sampling: Theory and Practicecited by 4
- 2024Covariance-Adaptive Sequential Black-box Optimization for Diffusion Targeted Generationcited by 4
- 2025ZOQO: Zero-Order Quantized Optimizationcited by 4
- 2025Dynamic Pricing with Adversarially-Censored Demandscited by 4
- 2025The Multi-Query Paradox in Zeroth-Order Optimizationcited by 4
- 2025ROOT: Rethinking Offline Optimization as Distributional Translation via Probabilistic Bridgecited by 4
- 2022Zeroth-Order Hard-Thresholding: Gradient Error vs. Expansivitycited by 3
- 2023Step by Step Loss Goes Very Far: Multi-Step Quantization for Adversarial Text Attackscited by 3
- 2026FOZO: Forward-Only Zeroth-Order Prompt Optimization for Test-Time Adaptationcited by 3
- 2022Lazy Queries Can Reduce Variance in Zeroth-order Optimizationcited by 2
- 2024Forward Learning for Gradient-based Black-box Saliency Map Generationcited by 2
- 2025Towards Fast LLM Fine-tuning through Zeroth-Order Optimization with Projected Gradient-Aligned Perturbationscited by 2
- 2021A Dimension-Insensitive Algorithm for Stochastic Zeroth-Order Optimizationcited by 1
- 2022Adaptive Zeroth-Order Optimisation of Nonconvex Composite Objectivescited by 1
- 2024Stochastic Two Points Method for Deep Model Zeroth-order Optimizationcited by 1
- 2024Gradient-Free Method for Heavily Constrained Nonconvex Optimizationcited by 1
- 2025VAMO: Efficient Zeroth-Order Variance Reduction for SGD with Faster Convergencecited by 1
- 2025Memory Savings at What Cost? A Study of Alternatives to Backpropagationcited by 1
- 2021Scalable Projection-Free Optimizationcited by 0
- 2022Convergence of Batch Updating Methods with Approximate Gradients and/or Noisy Measurements: Theory and Computational Resultscited by 0
- 2022Adaptive Stochastic Optimisation of Nonconvex Composite Objectivescited by 0
- 2023Reward Learning as Doubly Nonparametric Bandits: Optimal Design and Scaling Lawscited by 0
- 2024CONGO: Compressive Online Gradient Optimizationcited by 0
- 2025Mirror Descent Linearized Augmented Lagrangian Methods for Nonconvex Constrained Stochastic Zeroth-Order Optimizationcited by 0
- 2025Estimating the Effects of Sample Training Orders for Large Language Models without Retrainingcited by 0
50 most cited of 63 All 63 (JSON)
- 2026A Zeroth-Order Paradigm for LLM Preference Alignment16 Sep 2026
- 2026On the Oracle Complexity of Interpolation-Based Gradient Descent18 Jun 2026
- 2026Global Convergence of Sampling-Based Nonconvex Optimization through Diffusion-Style Smoothing15 May 2026
- 2026Turning Stale Gradients into Stable Gradients: Coherent Coordinate Descent with Implicit Landscape Smoothing for Lightweight Zeroth-Order Optimization14 May 2026
- 2026From Cursed to Competitive: Closing the ZO-FO Gap via Input-to-State Stability28 Apr 2026
- 2026Zeroth-Order Optimization at the Edge of Stability16 Apr 2026
- 2026Black-Box Optimization From Small Offline Datasets via Meta Learning with Synthetic Tasks14 Apr 2026
- 2026Reading Between the Pixels: An Inscriptive Jailbreak Attack on Text-to-Image Models7 Apr 2026
- 2026Feed m Birds with One Scone: Accelerating Multi-task Gradient Balancing via Bi-level Optimization8 Mar 2026
- 2026FOZO: Forward-Only Zeroth-Order Prompt Optimization for Test-Time Adaptation5 Mar 2026
- 2026Zero-Order Optimization for LLM Fine-Tuning via Learnable Direction Sampling14 Feb 2026
- 2026Improved Dimension Dependence for Bandit Convex Optimization with Gradient Variations4 Feb 2026
38 more
- 2026Guiding the Recommender: Information-Aware Auto-Bidding for Content Promotion28 Jan 2026
- 2025ConMeZO: Adaptive Descent-Direction Sampling for Gradient-Free Finetuning of Large Language Models4 Nov 2025
- 2025BOND: License to Train with Black-Box Functions29 Oct 2025
- 2025Towards Fast LLM Fine-tuning through Zeroth-Order Optimization with Projected Gradient-Aligned Perturbations21 Oct 2025
- 2025ROOT: Rethinking Offline Optimization as Distributional Translation via Probabilistic Bridge19 Sep 2025
- 2025The Multi-Query Paradox in Zeroth-Order Optimization19 Sep 2025
- 2025Memory Savings at What Cost? A Study of Alternatives to Backpropagation27 Jun 2025
- 2025Estimating the Effects of Sample Training Orders for Large Language Models without Retraining28 May 2025
- 2025VAMO: Efficient Zeroth-Order Variance Reduction for SGD with Faster Convergence20 May 2025
- 2025ComPO: Preference Alignment via Comparison Oracles8 May 2025
- 2025Mirror Descent Linearized Augmented Lagrangian Methods for Nonconvex Constrained Stochastic Zeroth-Order Optimization13 Apr 2025
- 2025Boosting Offline Optimizers with Surrogate Sensitivity6 Mar 2025
- 2025Dynamic Pricing with Adversarially-Censored Demands10 Feb 2025
- 2025ZOQO: Zero-Order Quantized Optimization12 Jan 2025
- 2024Simultaneous Computation and Memory Efficient Zeroth-Order Optimizer for Fine-Tuning Large Language Models13 Oct 2024
- 2024Gradient-Free Method for Heavily Constrained Nonconvex Optimization31 Aug 2024
- 2024CONGO: Compressive Online Gradient Optimization8 Jul 2024
- 2024Covariance-Adaptive Sequential Black-box Optimization for Diffusion Targeted Generation2 Jun 2024
- 2024Gradient Compressed Sensing: A Query-Efficient Gradient Estimator for High-Dimensional Zeroth-Order Optimization27 May 2024
- 2024Forward Learning for Gradient-based Black-box Saliency Map Generation22 Mar 2024
- 2024Sparse MeZO: Less Parameters for Better Performance in Zeroth-Order LLM Fine-Tuning24 Feb 2024
- 2024Revisiting Zeroth-Order Optimization for Memory-Efficient LLM Fine-Tuning: A Benchmark18 Feb 2024
- 2024Stochastic Two Points Method for Deep Model Zeroth-order Optimization2 Feb 2024
- 2023DPZero: Private Fine-Tuning of Language Models without Backpropagation14 Oct 2023
- 2023ZooPFL: Exploring Black-box Foundation Models for Personalized Federated Learning8 Oct 2023
- 2023Efficient Federated Prompt Tuning for Black-box Large Pre-trained Models4 Oct 2023
- 2023DeepZero: Scaling up Zeroth-Order Optimization for Deep Model Training3 Oct 2023
- 2023InstructZero: Efficient Instruction Optimization for Black-Box Large Language Models5 Jun 2023
- 2023Fine-Tuning Language Models with Just Forward Passes27 May 2023
- 2023Gradient-Free Textual Inversion12 Apr 2023
- 2023Reward Learning as Doubly Nonparametric Bandits: Optimal Design and Scaling Laws23 Feb 2023
- 2023Step by Step Loss Goes Very Far: Multi-Step Quantization for Adversarial Text Attacks10 Feb 2023
- 2023Faster Gradient-Free Algorithms for Nonsmooth Nonconvex Stochastic Optimization16 Jan 2023
- 2022Adaptive Stochastic Optimisation of Nonconvex Composite Objectives21 Nov 2022
- 2022On Adaptivity in Non-stationary Stochastic Optimization With Bandit Feedback11 Oct 2022
- 2022Zeroth-Order Hard-Thresholding: Gradient Error vs. Expansivity11 Oct 2022
- 2022Convergence of Batch Updating Methods with Approximate Gradients and/or Noisy Measurements: Theory and Computational Results12 Sep 2022
- 2022Gradient-Free Methods for Deterministic and Stochastic Nonsmooth Nonconvex Optimization12 Sep 2022
50 newest of 63 All 63 (JSON)
- 2023Fine-Tuning Language Models with Just Forward Passescited by 345
- 2024Revisiting Zeroth-Order Optimization for Memory-Efficient LLM Fine-Tuning: A Benchmarkcited by 114
- 2023DeepZero: Scaling up Zeroth-Order Optimization for Deep Model Trainingcited by 76
- 2023InstructZero: Efficient Instruction Optimization for Black-Box Large Language Modelscited by 68
- 2024Sparse MeZO: Less Parameters for Better Performance in Zeroth-Order LLM Fine-Tuningcited by 54
- 2021A Zeroth-Order Block Coordinate Descent Algorithm for Huge-Scale Black-Box Optimizationcited by 46
- 2022Gradient-Free Methods for Deterministic and Stochastic Nonsmooth Nonconvex Optimizationcited by 43
- 2023Gradient-Free Textual Inversioncited by 29
- 2023DPZero: Private Fine-Tuning of Language Models without Backpropagationcited by 26
- 2023Faster Gradient-Free Algorithms for Nonsmooth Nonconvex Stochastic Optimizationcited by 17
- 2021Online Statistical Inference for Stochastic Optimization via Kiefer-Wolfowitz Methodscited by 14
- 2023Efficient Federated Prompt Tuning for Black-box Large Pre-trained Modelscited by 12
12 most cited of 56 All 56 (JSON)
- 2026On the Oracle Complexity of Interpolation-Based Gradient Descent18 Jun 2026
- 2026Turning Stale Gradients into Stable Gradients: Coherent Coordinate Descent with Implicit Landscape Smoothing for Lightweight Zeroth-Order Optimization14 May 2026
- 2026From Cursed to Competitive: Closing the ZO-FO Gap via Input-to-State Stability28 Apr 2026
- 2026Zeroth-Order Optimization at the Edge of Stability16 Apr 2026
- 2026Black-Box Optimization From Small Offline Datasets via Meta Learning with Synthetic Tasks14 Apr 2026
- 2026Feed m Birds with One Scone: Accelerating Multi-task Gradient Balancing via Bi-level Optimization8 Mar 2026
- 2026FOZO: Forward-Only Zeroth-Order Prompt Optimization for Test-Time Adaptation5 Mar 2026
- 2026Zero-Order Optimization for LLM Fine-Tuning via Learnable Direction Sampling14 Feb 2026
- 2026Improved Dimension Dependence for Bandit Convex Optimization with Gradient Variations4 Feb 2026
- 2026Guiding the Recommender: Information-Aware Auto-Bidding for Content Promotion28 Jan 2026
- 2025ConMeZO: Adaptive Descent-Direction Sampling for Gradient-Free Finetuning of Large Language Models4 Nov 2025
- 2025BOND: License to Train with Black-Box Functions29 Oct 2025
12 newest of 56 All 56 (JSON)