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In recent years, large language models have achieved great success due to their unprecedented size. However, training these models poses a challenge for most researchers as it requires a substantial number of GPUs. To reduce GPU memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-01 Haichen Huang , Jiarui Fang , Hongxin Liu , Shenggui Li , Yang You

The deployment of large language models (LLMs) presents significant challenges due to their enormous memory footprints, low arithmetic intensity, and stringent latency requirements, particularly during the autoregressive decoding stage.…

Hardware Architecture · Computer Science 2025-11-03 Cenlin Duan , Jianlei Yang , Rubing Yang , Yikun Wang , Yiou Wang , Lingkun Long , Yingjie Qi , Xiaolin He , Ao Zhou , Xueyan Wang , Weisheng Zhao

In this paper we describe HeSP, a complete simulation framework to study a general task scheduling-partitioning problem on heterogeneous architectures, which treats recursive task partitioning and scheduling decisions on equal footing.…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-02-18 Anton Rey , Francisco D. Igual , Manuel Prieto-Matías

Split Learning (SL) is a promising collaborative machine learning approach, enabling resource-constrained devices to train models without sharing raw data, while reducing computational load and preserving privacy simultaneously. However,…

Machine Learning · Computer Science 2024-11-22 Yunrui Sun , Gang Hu , Yinglei Teng , Dunbo Cai

Accurate determination of the performance of parallel GPU code typically requires execution-time profiling on target hardware -- an increasingly prohibitive step due to limited access to high-end GPUs. This paper explores whether Large…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-08 Gregory Bolet , Giorgis Georgakoudis , Harshitha Menon , Konstantinos Parasyris , Niranjan Hasabnis , Hayden Estes , Kirk W. Cameron , Gal Oren

Disaggregating the prefill and decoding phases represents an effective new paradigm for generative inference of large language models (LLM), which eliminates prefill-decoding interference and optimizes resource allocation. However, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-13 Youhe Jiang , Ran Yan , Binhang Yuan

Training large language models (LLMs) increasingly relies on geographically distributed accelerators, causing prohibitive communication costs across regions and uneven utilization of heterogeneous hardware. We propose HALoS, a hierarchical…

Machine Learning · Computer Science 2025-06-06 Geon-Woo Kim , Junbo Li , Shashidhar Gandham , Omar Baldonado , Adithya Gangidi , Pavan Balaji , Zhangyang Wang , Aditya Akella

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

Large language models (LLMs) are computationally intensive. The computation workload and the memory footprint grow quadratically with the dimension (layer width). Most of LLMs' parameters come from the linear layers of the transformer…

Machine Learning · Computer Science 2024-02-22 Xiao-Yang Liu , Jie Zhang , Guoxuan Wang , Weiqing Tong , Anwar Walid

The rapid growth of memory and computation requirements of large language models (LLMs) has outpaced the development of hardware, hindering people who lack large-scale high-end GPUs from training or deploying LLMs. However, consumer-level…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-06 Zhenheng Tang , Yuxin Wang , Xin He , Longteng Zhang , Xinglin Pan , Qiang Wang , Rongfei Zeng , Kaiyong Zhao , Shaohuai Shi , Bingsheng He , Xiaowen Chu

Efficient GPU programming is crucial for achieving high performance in deep learning (DL) applications. The performance of GPU programs depends on how data is parallelized across threads and arranged within memory subsystems. The mapping…

Machine Learning · Computer Science 2026-01-30 Xiao Zhang , Yaoyao Ding , Bolin Sun , Yang Hu , Tatiana Shpeisman , Gennady Pekhimenko

Multimodal large language model (MLLM) inference splits into two phases with opposing hardware demands: vision encoding is compute-bound, while language generation is memory-bandwidth-bound. We show that under standard transformer KV…

Machine Learning · Computer Science 2026-03-16 Donglin Yu

The efficient distributed training of Large Language Models (LLMs) is severely hampered by the extreme variance in context lengths. This data heterogeneity, amplified by conventional packing strategies and asymmetric forward-backward costs,…

Artificial Intelligence · Computer Science 2025-10-01 Yuliang Liu , Guohao Wu , Shenglong Zhang , Wei Zhang , Qianchao Zhu , Zhouyang Li , Chenyu Wang

Extending the context length (i.e., the maximum supported sequence length) of LLMs is of paramount significance. To facilitate long context training of LLMs, sequence parallelism has emerged as an essential technique, which scatters each…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-12 Yujie Wang , Shiju Wang , Shenhan Zhu , Fangcheng Fu , Xinyi Liu , Xuefeng Xiao , Huixia Li , Jiashi Li , Faming Wu , Bin Cui

Large-language models (LLMs) are rapidly being applied to radiology, enabling automated image interpretation and report generation tasks. Their deployment in clinical practice requires both high diagnostic accuracy and low inference…

Tissues and Organs · Quantitative Biology 2025-11-11 Jyun-Ping Kao

The pervasive adoption of Deep Learning (DL) and Graph Processing (GP) makes it a de facto requirement to build large-scale clusters of heterogeneous accelerators including GPUs and FPGAs. The OpenCL programming framework can be used on the…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-19 Yao Chen , Xin Long , Jiong He , Yuhang Chen , Hongshi Tan , Zhenxiang Zhang , Marianne Winslett , Deming Chen

Large Language Models (LLMs) like GPT and LLaMA are revolutionizing the AI industry with their sophisticated capabilities. Training these models requires vast GPU clusters and significant computing time, posing major challenges in terms of…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-30 Jiangfei Duan , Shuo Zhang , Zerui Wang , Lijuan Jiang , Wenwen Qu , Qinghao Hu , Guoteng Wang , Qizhen Weng , Hang Yan , Xingcheng Zhang , Xipeng Qiu , Dahua Lin , Yonggang Wen , Xin Jin , Tianwei Zhang , Peng Sun

GPUs have limited memory and it is difficult to train wide and/or deep models that cause the training process to go out of memory. It is shown in this paper how an open source tool called Large Model Support (LMS) can utilize a high…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-11-30 Samuel Matzek , Max Grossman , Minsik Cho , Anar Yusifov , Bryant Nelson , Amit Juneja

Modern deep learning systems like PyTorch and Tensorflow are able to train enormous models with billions (or trillions) of parameters on a distributed infrastructure. These systems require that the internal nodes have the same memory…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-01 Yifan Ding , Nicholas Botzer , Tim Weninger

Large Language Models (LLMs) have presented impressive performance across several transformative tasks. However, it is non-trivial to efficiently utilize large-scale cluster resources to develop LLMs, often riddled with numerous challenges…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-05 Qinghao Hu , Zhisheng Ye , Zerui Wang , Guoteng Wang , Meng Zhang , Qiaoling Chen , Peng Sun , Dahua Lin , Xiaolin Wang , Yingwei Luo , Yonggang Wen , Tianwei Zhang