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Training large language models (LLMs) efficiently requires a deep understanding of how modern GPU systems behave under real-world distributed training workloads. While prior work has focused primarily on kernel-level performance or…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-10 Marco Kurzynski , Shaizeen Aga , Di Wu

We propose SparsePipe, an efficient and asynchronous parallelism approach for handling 3D point clouds with multi-GPU training. SparsePipe is built to support 3D sparse data such as point clouds. It achieves this by adopting generalized…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Keke Zhai , Pan He , Tania Banerjee , Anand Rangarajan , Sanjay Ranka

We introduce Breadth-First Pipeline Parallelism, a novel training schedule which optimizes the combination of pipeline and data parallelism. Breadth-First Pipeline Parallelism lowers training time, cost and memory usage by combining a high…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-10 Joel Lamy-Poirier

Large Language Models (LLMs) have achieved remarkable success in various fields, but their training and finetuning require massive computation and memory, necessitating parallelism which introduces heavy communication overheads. Driven by…

Hardware Architecture · Computer Science 2024-11-28 Zongle Huang , Shupei Fan , Chen Tang , Xinyuan Lin , Shuwen Deng , Yongpan Liu

Modern deep learning workloads increasingly exhibit dynamic, metadata-driven execution, where runtime-generated information determines memory provisioning and kernel launch decisions. In sampling-based graph neural network (GNN) training,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-29 Yidong Gong , Saima Afrin , Yuchen Ma , Guannan Wang , Bin Ren , Pradeep Kumar

Although Federated Learning has been widely studied in recent years, there are still high overhead expenses in each communication round for large-scale models such as Vision Transformer. To lower the communication complexity, we propose a…

Machine Learning · Computer Science 2026-04-21 Junkang Liu , Fanhua Shang , Yuanyuan Liu , Hongying Liu , Yuangang Li , YunXiang Gong

To achieve high performance on modern computers, it is vital to map algorithmic parallelism to that inherent in the hardware. From an application developer's perspective, it is also important that code can be maintained in a portable manner…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-06-20 Alan Gray , Kevin Stratford

Scaling Transformers to longer sequence lengths has been a major problem in the last several years, promising to improve performance in language modeling and high-resolution image understanding, as well as to unlock new applications in…

Machine Learning · Computer Science 2023-07-18 Tri Dao

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

Data Parallelism (DP), Tensor Parallelism (TP), and Pipeline Parallelism (PP) are the three strategies widely adopted to enable fast and efficient Large Language Model (LLM) training. However, these approaches rely on data-intensive…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-05 Lang Xu , Quentin Anthony , Qinghua Zhou , Nawras Alnaasan , Radha R. Gulhane , Aamir Shafi , Hari Subramoni , Dhabaleswar K. Panda

The proliferation of Large Language Models (LLMs) with exponentially growing parameters is making cross-data center (DC) training an inevitable trend. However, viable strategies for extending single-DC training frameworks to multi-DC…

Networking and Internet Architecture · Computer Science 2026-02-27 Jun Dai , Xiaorun Wang , Kexiong Fang , Zheng Yang , Yuefeng Ji , Jiawei Zhang

With the development of federated learning (FL), mobile devices (MDs) are able to train their local models with private data and sends them to a central server for aggregation, thereby preventing sensitive raw data leakage. In this paper,…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-15 Shunfeng Chu , Jun Li , Jianxin Wang , Zhe Wang , Ming Ding , Yijin Zang , Yuwen Qian , Wen Chen

Deploying deep neural networks (DNNs) on resource-constrained mobile devices presents significant challenges, particularly in achieving real-time performance while simultaneously coping with limited computational resources and battery life.…

Networking and Internet Architecture · Computer Science 2025-09-24 Zekai Sun , Xiuxian Guan , Zheng Lin , Zihan Fang , Xiangming Cai , Zhe Chen , Fangming Liu , Heming Cui , Jie Xiong , Wei Ni , Chau Yuen

Distributed synchronous stochastic gradient descent has been widely used to train deep neural networks on computer clusters. With the increase of computational power, network communications have become one limiting factor on system…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-04 Shaohuai Shi , Xiaowen Chu , Bo Li

Modern data parallel (DP) training favors collective communication over parameter servers (PS) for its simplicity and efficiency under balanced workloads. However, the balanced workload assumption no longer holds in large language model…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-28 Xinyi Wan , Penghui Qi , Guangxing Huang , Chaoyi Ruan , Min Lin , Jialin Li

Recent studies have demonstrated that near-data processing (NDP) is an effective technique for improving performance and energy efficiency of data-intensive workloads. However, leveraging NDP in realistic systems with multiple memory…

Hardware Architecture · Computer Science 2018-12-05 Hyojong Kim , Ramyad Hadidi , Lifeng Nai , Hyesoon Kim , Nuwan Jayasena , Yasuko Eckert , Onur Kayiran , Gabriel H. Loh

Dynamic Parallelism (DP) is a runtime feature of the GPU programming model that allows GPU threads to execute additional GPU kernels, recursively. Apart from making the programming of parallel hierarchical patterns easier, DP can also…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-06-07 Felipe A. Quezada , Cristóbal A. Navarro , Miguel Romero , Cristhian Aguilera

Concurrent computation and communication (C3) is a pervasive paradigm in ML and other domains, making its performance optimization crucial. In this paper, we carefully characterize C3 in ML on GPUs, which are most widely deployed for ML…

Hardware Architecture · Computer Science 2025-04-28 Anirudha Agrawal , Shaizeen Aga , Suchita Pati , Mahzabeen Islam

Federated learning enables collaborative model training across numerous edge devices without requiring participants to share data; however, memory and communication constraints on these edge devices may preclude their participation in…

Machine Learning · Computer Science 2025-09-04 Gwen Legate , Irina Rish , Eugene Belilovsky

Recent dual in-line memory modules (DIMMs) are starting to support processing-in-memory (PIM) by associating their memory banks with processing elements (PEs), allowing applications to overcome the data movement bottleneck by offloading…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-16 Si Ung Noh , Junguk Hong , Chaemin Lim , Seongyeon Park , Jeehyun Kim , Hanjun Kim , Youngsok Kim , Jinho Lee