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Pipeline parallelism enables training models that exceed single-device memory, but practical throughput remains limited by pipeline bubbles. Although parameter freezing can improve training throughput by adaptively skipping backward…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-09 Seonghye Cho , Jaemin Han , Hyunjin Kim , Euisoo Jung , Jae-Gil Lee

The size of deep neural networks (DNNs) grows rapidly as the complexity of the machine learning algorithm increases. To satisfy the requirement of computation and memory of DNN training, distributed deep learning based on model parallelism…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-15 Letian Zhao , Rui Xu , Tianqi Wang , Teng Tian , Xiaotian Wang , Wei Wu , Chio-in Ieong , Xi Jin

Linear sequence modeling approaches, such as linear attention, provide advantages like linear-time training and constant-memory inference over sequence lengths. However, existing sequence parallelism (SP) methods are either not optimized…

Machine Learning · Computer Science 2025-02-12 Weigao Sun , Disen Lan , Yiran Zhong , Xiaoye Qu , Yu Cheng

Pipeline Parallelism (PP) serves as a crucial technique for training Large Language Models (LLMs), owing to its capability to alleviate memory pressure from model states with relatively low communication overhead. However, in long-context…

Machine Learning · Computer Science 2025-04-22 Zhouyang Li , Yuliang Liu , Wei Zhang , Tailing Yuan , Bin Chen , Chengru Song , Di Zhang

Load balancing, operator instance collocations and horizontal scaling are critical issues in Parallel Stream Processing Engines to achieve low data processing latency, optimized cluster utilization and minimized communication cost…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-02-12 Kasper Grud Skat Madsen , Yongluan Zhou , Jianneng Cao

Model parallelism has become a necessity for training modern large-scale deep language models. In this work, we identify a new and orthogonal dimension from existing model parallel approaches: it is possible to perform pipeline parallelism…

Machine Learning · Computer Science 2021-09-29 Zhuohan Li , Siyuan Zhuang , Shiyuan Guo , Danyang Zhuo , Hao Zhang , Dawn Song , Ion Stoica

Communication is a key bottleneck for distributed graph neural network (GNN) training. This paper proposes GNNPipe, a new approach that scales the distributed full-graph deep GNN training. Being the first to use layer-level model…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-26 Jingji Chen , Zhuoming Chen , Xuehai Qian

Aiming to accelerate the training of large deep neural networks (DNN) in an energy-efficient way, analog in-memory computing (AIMC) emerges as a solution with immense potential. AIMC accelerator keeps model weights in memory without moving…

Machine Learning · Computer Science 2026-04-28 Zhaoxian Wu , Quan Xiao , Tayfun Gokmen , Hsinyu Tsai , Kaoutar El Maghraoui , Tianyi Chen

Training a deep neural network (DNN) requires substantial computational and memory requirements. It is common to use multiple devices to train a DNN to reduce the overall training time. There are several choices to parallelize each layer in…

Machine Learning · Computer Science 2024-07-08 Venmugil Elango

Scaling models has led to significant advancements in deep learning, but training these models in decentralized settings remains challenging due to communication bottlenecks. While existing compression techniques are effective in…

Machine Learning · Computer Science 2025-06-03 Sameera Ramasinghe , Thalaiyasingam Ajanthan , Gil Avraham , Yan Zuo , Alexander Long

Training machine learning models in parallel is an increasingly important workload. We accelerate distributed parallel training by designing a communication primitive that uses a programmable switch dataplane to execute a key step of the…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-01 Amedeo Sapio , Marco Canini , Chen-Yu Ho , Jacob Nelson , Panos Kalnis , Changhoon Kim , Arvind Krishnamurthy , Masoud Moshref , Dan R. K. Ports , Peter Richtárik

Modern recommendation models have increased to trillions of parameters. As cluster scales expand to O(1k), distributed training bottlenecks shift from computation and memory to data movement, especially lookup and communication latency…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-09 Zhida Jiang , Zhaolong Xing , Huichao Chai , Tianxing Sun , Qiang Peng , Baopeng Yuan , Jiaxing Wang , Hua Du , Zhixin Wu , Xuemiao Li , Yikui Cao , Xinyu Liu , Yongxiang Feng , Zhen Chen , Ke Zhang

Data processing systems offer an ever increasing degree of parallelism on the levels of cores, CPUs, and processing nodes. Query optimization must exploit high degrees of parallelism in order not to gradually become the bottleneck of query…

Databases · Computer Science 2015-11-06 Immanuel Trummer , Christoph Koch

Several methods exist today to accelerate Machine Learning(ML) or Deep-Learning(DL) model performance for training and inference. However, modern techniques that rely on various graph and operator parallelism methodologies rely on search…

Machine Learning · Computer Science 2023-08-23 Srinjoy Das , Lawrence Rauchwerger

We propose a new asynchronous parallel block-descent algorithmic framework for the minimization of the sum of a smooth nonconvex function and a nonsmooth convex one, subject to both convex and nonconvex constraints. The proposed framework…

Optimization and Control · Mathematics 2018-04-02 Loris Cannelli , Francisco Facchinei , Vyacheslav Kungurtsev , Gesualdo Scutari

Machine learning models, and deep neural networks in particular, are increasingly deployed in risk-sensitive domains such as healthcare, environmental forecasting, and finance, where reliable quantification of predictive uncertainty is…

Machine Learning · Computer Science 2026-04-07 Asena Karolin Özdemir , Lars H. Heyen , Arvid Weyrauch , Achim Streit , Markus Götz , Charlotte Debus

In the near future, massively parallel computing systems will be necessary to solve computation intensive applications. The key bottleneck in massively parallel implementation of numerical algorithms is the synchronization of data across…

Systems and Control · Computer Science 2015-03-16 Kooktae Lee , Raktim Bhattacharya , Vijay Gupta

With the increasing scale of models, the need for efficient distributed training has become increasingly urgent. Recently, many synchronous pipeline parallelism approaches have been proposed to improve training throughput. However, these…

Machine Learning · Computer Science 2024-10-28 Houming Wu , Ling Chen , Wenjie Yu

Pipeline parallelism is a crucial paradigm for large-scale model training. However, imbalances in memory footprint across stages can lead to significant GPU memory wastage, limiting the model sizes that pipeline parallelism can effectively…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-12 Xuan Peng , Xuanhua Shi , Haolin Zhang , Yunfei Zhao , Xuehai Qian

We present a novel parallelisation scheme that simplifies the adaptation of learning algorithms to growing amounts of data as well as growing needs for accurate and confident predictions in critical applications. In contrast to other…

Machine Learning · Computer Science 2018-10-09 Michael Kamp , Mario Boley , Olana Missura , Thomas Gärtner