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The task of accelerating large neural networks on general purpose hardware has, in recent years, prompted the use of channel pruning to reduce network size. However, the efficacy of pruning based approaches has since been called into…

Machine Learning · Statistics 2019-03-08 Jack Turner , Elliot J. Crowley , Valentin Radu , José Cano , Amos Storkey , Michael O'Boyle

A long-standing problem in online reinforcement learning (RL) is of ensuring sample efficiency, which stems from an inability to explore environments efficiently. Most attempts at efficient exploration tackle this problem in a setting where…

Machine Learning · Computer Science 2025-07-08 Aman Mehra , Alexandre Capone , Jeff Schneider

Knowledge distillation has proven to be an effective technique in improving the performance a student model using predictions from a teacher model. However, recent work has shown that gains in average efficiency are not uniform across…

Machine Learning · Computer Science 2022-06-15 Serena Wang , Harikrishna Narasimhan , Yichen Zhou , Sara Hooker , Michal Lukasik , Aditya Krishna Menon

Deep Reinforcement Learning has been shown to be very successful in complex games, e.g. Atari or Go. These games have clearly defined rules, and hence allow simulation. In many practical applications, however, interactions with the…

Machine Learning · Computer Science 2019-02-12 Andreas Merentitis , Kashif Rasul , Roland Vollgraf , Abdul-Saboor Sheikh , Urs Bergmann

Reinforcement Learning (RL) has emerged as a powerful paradigm for training LLM-based agents, yet remains limited by low sample efficiency, stemming not only from sparse outcome feedback but also from the agent's inability to leverage prior…

Machine Learning · Computer Science 2026-03-19 Dilxat Muhtar , Jiashun Liu , Wei Gao , Weixun Wang , Shaopan Xiong , Ju Huang , Siran Yang , Wenbo Su , Jiamang Wang , Ling Pan , Bo Zheng

Multi-agent systems provide a powerful way to extend large language models (LLMs) by decomposing a complex task into specialized subtasks handled by different agents. However, their performance is often hindered by error propagation,…

Machine Learning · Computer Science 2026-05-14 Zheng Wang , Yuang Liu , Yangkai Ding

This paper investigates whether learning contingency-awareness and controllable aspects of an environment can lead to better exploration in reinforcement learning. To investigate this question, we consider an instantiation of this…

Machine Learning · Computer Science 2019-03-05 Jongwook Choi , Yijie Guo , Marcin Moczulski , Junhyuk Oh , Neal Wu , Mohammad Norouzi , Honglak Lee

Reinforcement learning methods require careful design involving a reward function to obtain the desired action policy for a given task. In the absence of hand-crafted reward functions, prior work on the topic has proposed several methods…

Machine Learning · Computer Science 2018-10-16 Daiki Kimura , Subhajit Chaudhury , Ryuki Tachibana , Sakyasingha Dasgupta

Knowledge distillation (KD) is an effective model compression technique where a compact student network is taught to mimic the behavior of a complex and highly trained teacher network. In contrast, Mutual Learning (ML) provides an…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Usma Niyaz , Deepti R. Bathula

In this study, we address the problem of efficient exploration in reinforcement learning. Most common exploration approaches depend on random action selection, however these approaches do not work well in environments with sparse or no…

Machine Learning · Computer Science 2022-06-30 Doğay Kamar , Nazım Kemal Üre , Gözde Ünal

Representation-based retrieval models, so-called bi-encoders, estimate the relevance of a document to a query by calculating the similarity of their respective embeddings. Current state-of-the-art bi-encoders are trained using an expensive…

Information Retrieval · Computer Science 2025-06-24 Lukas Gienapp , Niklas Deckers , Martin Potthast , Harrisen Scells

Fast adaptation to new tasks is extremely important for embodied agents in the real world. Meta-reinforcement learning (meta-RL) has emerged as an effective method to enable fast adaptation in unknown environments. Compared to on-policy…

Machine Learning · Computer Science 2024-06-19 Menglong Zhang , Fuyuan Qian , Quanying Liu

The significance of network structures in promoting group cooperation within social dilemmas has been widely recognized. Prior studies attribute this facilitation to the assortment of strategies driven by spatial interactions. Although…

Multiagent Systems · Computer Science 2024-08-20 Tianyu Ren , Xiao-Jun Zeng

Dataset distillation compresses a large dataset into a small synthetic dataset such that learning on the synthetic dataset approximates learning on the original. Training on the distilled dataset can be performed in as little as one step of…

Machine Learning · Computer Science 2025-08-14 Connor Wilhelm , Dan Ventura

Efficient exploration remains a challenging research problem in reinforcement learning, especially when an environment contains large state spaces, deceptive local optima, or sparse rewards. To tackle this problem, we present a…

Artificial Intelligence · Computer Science 2018-10-30 Zhang-Wei Hong , Tzu-Yun Shann , Shih-Yang Su , Yi-Hsiang Chang , Chun-Yi Lee

Intelligent decision-making within large and redundant action spaces remains challenging in deep reinforcement learning. Considering similar but ineffective actions at each step can lead to repetitive and unproductive trials. Existing…

Machine Learning · Computer Science 2025-01-27 Wenzhang Liu , Lianjun Jin , Lu Ren , Chaoxu Mu , Changyin Sun

Exploration algorithms for reinforcement learning typically replace or augment the reward function with an additional ``intrinsic'' reward that trains the agent to seek previously unseen states of the environment. Here, we consider an…

Machine Learning · Computer Science 2025-09-30 Kevin McKee , Eric Alt , Andrew Grebenisan , Mick van Gelderen , Gary Miguel

Diffusion Policies have demonstrated impressive performance in robotic manipulation tasks. However, their long inference time, resulting from an extensive iterative denoising process, and the need to execute an action chunk before the next…

Robotics · Computer Science 2025-08-08 Yufei Duan , Hang Yin , Danica Kragic

Multi-agent reinforcement learning typically suffers from the problem of sample inefficiency, where learning suitable policies involves the use of many data samples. Learning from external demonstrators is a possible solution that mitigates…

Machine Learning · Computer Science 2023-03-06 Sriram Ganapathi Subramanian , Matthew E. Taylor , Kate Larson , Mark Crowley

Deep reinforcement learning (DRL) has effectively enhanced gameplay experiences and game design across various game genres. However, few studies on fighting game agents have focused explicitly on enhancing player enjoyment, a critical…

Artificial Intelligence · Computer Science 2025-04-11 Shouren Wang , Zehua Jiang , Fernando Sliva , Sam Earle , Julian Togelius