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Most deep reinforcement learning (RL) algorithms distill experience into parametric behavior policies or value functions via gradient updates. While effective, this approach has several disadvantages: (1) it is computationally expensive,…

We focus on the commonly used synchronous Gradient Descent paradigm for large-scale distributed learning, for which there has been a growing interest to develop efficient and robust gradient aggregation strategies that overcome two key…

Machine Learning · Statistics 2021-09-30 Amirhossein Reisizadeh , Saurav Prakash , Ramtin Pedarsani , Amir Salman Avestimehr

Network slicing enables operators to efficiently support diverse applications on a common physical infrastructure. The ever-increasing densification of network deployment leads to complex and non-trivial inter-cell interference, which…

Networking and Internet Architecture · Computer Science 2023-06-21 Tianlun Hu , Qi Liao , Qiang Liu , Georg Carle

We present an overview of SURREAL-System, a reproducible, flexible, and scalable framework for distributed reinforcement learning (RL). The framework consists of a stack of four layers: Provisioner, Orchestrator, Protocol, and Algorithms.…

Machine Learning · Computer Science 2019-10-14 Linxi Fan , Yuke Zhu , Jiren Zhu , Zihua Liu , Orien Zeng , Anchit Gupta , Joan Creus-Costa , Silvio Savarese , Li Fei-Fei

Communication scheduling has been shown to be effective in accelerating distributed training, which enables all-reduce communications to be overlapped with backpropagation computations. This has been commonly adopted in popular distributed…

Machine Learning · Computer Science 2023-06-16 Lin Zhang , Shaohuai Shi , Xiaowen Chu , Wei Wang , Bo Li , Chengjian Liu

Real-time applications (RTAs) require low delays and impose a significant challenge to Wi-Fi. In Wi-Fi, high delays are often caused by waiting for the channel to become idle. This problem can be solved with Parameterized Spatial Reuse…

Networking and Internet Architecture · Computer Science 2024-07-18 Kirill Chemrov , Dmitry Bankov , Andrey Lyakhov , Evgeny Khorov

Deep neural networks (DNNs) have found applications in diverse signal processing (SP) problems. Most efforts either directly adopt the DNN as a black-box approach to perform certain SP tasks without taking into account of any known…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Zhe Zhang , Xiang Chen , Zhi Tian

Most conventional Federated Learning (FL) models are using a star network topology where all users aggregate their local models at a single server (e.g., a cloud server). That causes significant overhead in terms of both communications and…

Information Theory · Computer Science 2022-06-30 Thinh Quang Dinh , Diep N. Nguyen , Dinh Thai Hoang , Pham Tran Vu , Eryk Dutkiewicz

While neural network quantization effectively reduces the cost of matrix multiplications, aggressive quantization can expose non-matrix-multiply operations as significant performance and resource bottlenecks on embedded systems. Addressing…

Traditional ground wireless communication networks cannot provide high-quality services for artificial intelligence (AI) applications such as intelligent transportation systems (ITS) due to deployment, coverage and capacity issues. The…

Networking and Internet Architecture · Computer Science 2022-02-08 Peiying Zhang , Chao Wang , Neeraj Kumar , Lei Liu

The incessant advent of online services demands high speed and efficient recommender systems (ReS) that can maintain real-time performance along with processing very complex user-item interactions. The present study, therefore, considers…

Machine Learning · Computer Science 2025-07-03 Yushang Zhao , Haotian Lyu , Yike Peng , Aijia Sun , Feng Jiang , Xinyue Han

The industrial application of Deep Reinforcement Learning (DRL) is frequently slowed down because of the inability to generate the experience required to train the models. Collecting data often involves considerable time and economic effort…

Robotics · Computer Science 2025-01-27 Lucía Güitta-López , Jaime Boal , Álvaro J. López-López

Dynamic spectrum access (DSA) is regarded as an effective and efficient technology to share radio spectrum among different networks. As a secondary user (SU), a DSA device will face two critical problems: avoiding causing harmful…

Machine Learning · Computer Science 2018-10-30 Hao-Hsuan Chang , Hao Song , Yang Yi , Jianzhong Zhang , Haibo He , Lingjia Liu

Mapping deep neural networks (DNNs) to hardware is critical for optimizing latency, energy consumption, and resource utilization, making it a cornerstone of high-performance accelerator design. Due to the vast and complex mapping space,…

In this article, we study a Radio Resource Allocation (RRA) that was formulated as a non-convex optimization problem whose main aim is to maximize the spectral efficiency subject to satisfaction guarantees in multiservice wireless systems.…

Network-on-Chip (NoC) plays a significant role in the performance of a DNN accelerator. The scalability and modular design property of the NoC help in improving the performance of a DNN execution by providing flexibility in running…

Hardware Architecture · Computer Science 2022-09-22 Binayak Tiwari , Mei Yang , Xiaohang Wang , Yingtao Jiang

We consider the problem of dynamic channel allocation (DCA) in cognitive communication networks with the goal of maximizing a global signal-to-interference-plus-noise ratio (SINR) measure under a specified target quality of service…

Signal Processing · Electrical Eng. & Systems 2024-02-29 Yaniv Cohen , Tomer Gafni , Ronen Greenberg , Kobi Cohen

Deep Reinforcement Learning (RL) has demonstrated success in solving complex sequential decision-making problems by integrating neural networks with the RL framework. However, training deep RL models poses several challenges, such as the…

Machine Learning · Computer Science 2025-09-30 Sooraj Sathish , Keshav Goyal , Raghuram Bharadwaj Diddigi

Distributed learning is widely used for training large models on large datasets by distributing parts of the model or dataset across multiple devices and aggregating the computed results for subsequent computations or parameter updates.…

Machine Learning · Computer Science 2026-03-31 Sijie Fei , Grace Li Zhang , Bing Li , Ulf Schlichtmann

As the scale of distributed training grows, communication becomes a bottleneck. To accelerate the communication, recent works introduce In-Network Aggregation (INA), which moves the gradients summation into network middle-boxes, e.g.,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-19 Hao Wang , Yuxuan Qin , ChonLam Lao , Yanfang Le , Wenfei Wu , Kai Chen