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Related papers: Symbolic Discovery of Optimization Algorithms

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Large Language Model (LLM)-guided evolutionary search is increasingly used for automated algorithm discovery, yet most current methods track search progress primarily through executable programs and scalar fitness. Even when…

Computation and Language · Computer Science 2026-05-11 Sichun Luo , Yi Huang , Haochen Luo , Fengyuan Liu , Guanzhi Deng , Lei Li , Qinghua Yao , Zefa Hu , Junlan Feng , Qi Liu

In modern deep learning, the models are learned by applying gradient updates using an optimizer, which transforms the updates based on various statistics. Optimizers are often hand-designed and tuning their hyperparameters is a big part of…

Machine Learning · Computer Science 2024-10-08 Gus Kristiansen , Mark Sandler , Andrey Zhmoginov , Nolan Miller , Anirudh Goyal , Jihwan Lee , Max Vladymyrov

Many optimizers can be interpreted as steepest-descent methods under norm-induced geometries, and thus inherit corresponding implicit biases. We introduce \nameA{} (\fullname{}), which combines spectral control from orthogonalized update…

Machine Learning · Computer Science 2026-02-10 Zixiao Wang , Yifei Shen , Huishuai Zhang

The concept of learning to optimize involves utilizing a trainable optimization strategy rather than relying on manually defined full gradient estimations such as ADAM. We present a framework that jointly trains the full gradient estimator…

Machine Learning · Computer Science 2026-01-30 Ruiqi Wang , Diego Klabjan

Our proposal is on a new stochastic optimizer for non-convex and possibly non-smooth objective functions typically defined over large dimensional design spaces. Towards this, we have tried to bridge noise-assisted global search and faster…

Machine Learning · Computer Science 2025-03-03 Uttam Suman , Mariya Mamajiwala , Mukul Saxena , Ankit Tyagi , Debasish Roy

We propose an algorithm to explore the global optimization method, using SAT solvers, for training a neural net. Deep Neural Networks have achieved great feats in tasks like-image recognition, speech recognition, etc. Much of their success…

Machine Learning · Computer Science 2022-06-13 Subham S. Sahoo

Dynamic Symbolic Execution (DSE) is a key technique in program analysis, widely used in software testing, vulnerability discovery, and formal verification. In distributed AI systems, DSE plays a crucial role in identifying hard-to-detect…

Cryptography and Security · Computer Science 2025-07-08 Ruoxi Wang , Kun Li , Minghui Xu , Yue Zhang , Kaidi Xu , Chunchi Liu , Yinhao Xiao , Xiuzhen Cheng

How to automatically design better machine learning programs is an open problem within AutoML. While evolution has been a popular tool to search for better ML programs, using learning itself to guide the search has been less successful and…

Machine Learning · Computer Science 2024-02-09 John D. Co-Reyes , Yingjie Miao , George Tucker , Aleksandra Faust , Esteban Real

Modern information retrieval systems often employ a two-stage pipeline: an efficient initial retrieval stage followed by a computationally intensive reranking stage. Cross-encoders have shown strong effectiveness for reranking due to their…

Information Retrieval · Computer Science 2025-06-24 Shahil Kumar , Manu Pande , Anay Yatin Damle

Despite recent competitive performance across a range of vision tasks, vision Transformers still have an issue of heavy computational costs. Recently, vision prompt learning has provided an economic solution to this problem without…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Haixin Wang , Jianlong Chang , Xiao Luo , Jinan Sun , Zhouchen Lin , Qi Tian

Optimizers play a decisive role in reducing pre-training times for LLMs and achieving better-performing models. In this study, we compare three major variants: the de-facto standard AdamW, the simpler Lion, developed through an evolutionary…

Machine Learning · Computer Science 2025-07-23 Joel Schlotthauer , Christian Kroos , Chris Hinze , Viktor Hangya , Luzian Hahn , Fabian Küch

Many computer vision problems are formulated as the optimization of a cost function. This approach faces two main challenges: (i) designing a cost function with a local optimum at an acceptable solution, and (ii) developing an efficient…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jayakorn Vongkulbhisal , Fernando De la Torre , João P. Costeira

Adam has proven remarkable successful in training deep neural networks, but the mechanisms underlying its empirical successes and limitations remain underexplored. In this study, we demonstrate that the effectiveness of Adam stems largely…

Machine Learning · Computer Science 2025-07-10 Hanyang Peng , Shuang Qin , Yue Yu , Fangqing Jiang , Hui Wang , Wen Gao

Similarity-based image hashing represents crucial technique for visual data storage reduction and expedited image search. Conventional hashing schemes typically feed hand-crafted features into hash functions, which separates the procedures…

Computer Vision and Pattern Recognition · Computer Science 2016-08-15 Yadong Mu , Zhu Liu

Deep neural network learning can be formulated as a non-convex optimization problem. Existing optimization algorithms, e.g., Adam, can learn the models fast, but may get stuck in local optima easily. In this paper, we introduce a novel…

Machine Learning · Computer Science 2019-03-12 Jiawei Zhang , Fisher B. Gouza

Evolutionary algorithms excel in solving complex optimization problems, especially those with multiple objectives. However, their stochastic nature can sometimes hinder rapid convergence to the global optima, particularly in scenarios…

Neural and Evolutionary Computing · Computer Science 2024-05-10 Zeyi Wang , Songbai Liu , Jianyong Chen , Kay Chen Tan

Recent works have shown that line search methods greatly increase performance of traditional stochastic gradient descent methods on a variety of datasets and architectures [1], [2]. In this work we succeed in extending line search methods…

Machine Learning · Computer Science 2024-03-28 Philip Kenneweg , Leonardo Galli , Tristan Kenneweg , Barbara Hammer

Effective information retrieval requires reasoning over partial evidence and refining strategies as information emerges. Yet current approaches fall short: neural retrievers lack reasoning capabilities, large language models (LLMs) provide…

Artificial Intelligence · Computer Science 2025-11-12 Supriti Vijay , Aman Priyanshu , Anu Vellore , Baturay Saglam , Amin Karbasi

Vision-language models (VLMs) have made significant progress in image classification by training with large-scale paired image-text data. Their performances largely depend on the prompt quality. While recent methods show that visual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Xiangyan Qu , Gaopeng Gou , Jiamin Zhuang , Jing Yu , Kun Song , Qihao Wang , Yili Li , Gang Xiong

Training deep neural networks is a highly nontrivial task, involving carefully selecting appropriate training algorithms, scheduling step sizes and tuning other hyperparameters. Trying different combinations can be quite labor-intensive and…

Machine Learning · Computer Science 2017-06-13 Kaifeng Lv , Shunhua Jiang , Jian Li