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This paper presents LMStream, which ensures bounded latency while maximizing the throughput on the GPU-enabled micro-batch streaming systems. The main ideas behind LMStream's design can be summarized as two novel mechanisms: (1) dynamic…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-11-09 Suyeon Lee , Sungyong Park

Existing large language model (LLM) serving systems typically employ Prefill-Decode disaggregated architecture to prevent computational interference between the prefill and decode phases. However, in real-world LLM serving scenarios,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-07 Yu Wu , Tongxuan Liu , Yuting Zeng , Siyu Wu , Jun Xiong , Xianzhe Dong , Hailong Yang , Ke Zhang , Jing Li

Multimodal Large Language Models (MLLMs) have achieved remarkable advances by integrating text, image, and audio understanding within a unified architecture. However, existing distributed training frameworks remain fundamentally data-blind:…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-20 Hyeonjun An , Sihyun Kim , Chaerim Lim , Hyunjoon Kim , Rathijit Sen , Sangmin Jung , Hyeonsoo Lee , Dongwook Kim , Takki Yu , Jinkyu Jeong , Youngsok Kim , Kwanghyun Park

Deploying large language models (LLMs) for online inference is often constrained by limited GPU memory, particularly due to the growing KV cache during auto-regressive decoding. Hybrid GPU-CPU execution has emerged as a promising solution…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-16 Jiakun Fan , Yanglin Zhang , Xiangchen Li , Dimitrios S. Nikolopoulos

Prefill-Decode (P/D) disaggregation has emerged as a widely adopted optimization strategy for Large Language Model (LLM) inference. However, there currently exists no well-established methodology for determining the optimal number of P/D…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-06 Luchang Li , Dongfang Li , Bozhao Gong , Yu Zhang

Video diffusion models (VDMs) perform attention computation over the 3D spatio-temporal domain. Compared to large language models (LLMs) processing 1D sequences, their memory consumption scales cubically, necessitating parallel serving…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-09 Zhiyuan Wu , Shuai Wang , Li Chen , Kaihui Gao , Dan Li , Yanyu Ren , Qiming Zhang , Yong Wang

Large language model (LLM) inference increasingly depends on multi-GPU execution, yet existing inference parallelization strategies require layer-wise inter-rank synchronization, making end-to-end performance sensitive to workload…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-13 Wanqian Li , Jintao Peng , Zongfei Jing , Tianyu Zhang , Ze Long , Xianjie Qiao , Xiaoming Chen , Dongxu Yang , Kefeng Duan , June Yang

Serving large language models (LLMs) efficiently remains challenging due to the high memory and latency overhead of key-value (KV) cache access during autoregressive decoding. We present \textbf{TinyServe}, a lightweight and extensible…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-17 Dong Liu , Yanxuan Yu

As large language models (LLMs) scale out with tensor parallelism (TP) and pipeline parallelism (PP) and production stacks have aggressively optimized the data plane (attention/GEMM and KV cache), sampling, the decision plane that turns…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-02 Bohan Zhao , Zane Cao , Yongchao He

The evolution of Large Language Models from the Transformer architecture to models with trillions of parameters has shifted the primary bottleneck from model training to real time inference. Deploying these massive models is a complex…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-12 Madabattula Rajesh Kumar , Srinivasa Rao Aravilli , Mustafa Saify , Shashank Srivastava

This paper presents ServerlessLLM, a distributed system designed to support low-latency serverless inference for Large Language Models (LLMs). By harnessing the substantial near-GPU storage and memory capacities of inference servers,…

Machine Learning · Computer Science 2024-07-26 Yao Fu , Leyang Xue , Yeqi Huang , Andrei-Octavian Brabete , Dmitrii Ustiugov , Yuvraj Patel , Luo Mai

Large Language Model (LLM) inference in production must meet stringent service-level objectives for both time-to-first-token (TTFT) and time-between-token (TBT) while maximizing throughput under fixed compute, memory, and interconnect…

Machine Learning · Computer Science 2026-04-17 Gunjun Lee , Jiwon Kim , Jaiyoung Park , Younjoo Lee , Jung Ho Ahn

As edge computing expands, serving multiple deep neural network (DNN) models on a single shared GPU has become a common yet challenging scenario, where each scheduling decision affects the tail latency of all concurrent queues. Existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-08 Jiahe Cao , Xiaomeng Li , Qiang Liu , Tao Han , Ning Zhang , Weisong Shi

The increasing demand for Large Language Models (LLMs) across various applications has led to a significant shift in the design of deep learning serving systems. Deploying LLMs, particularly in multi-tenant environments, poses substantial…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-25 Bodun Hu , Jiamin Li , Le Xu , Myungjin Lee , Akshay Jajoo , Geon-Woo Kim , Hong Xu , Aditya Akella

Diffusion Transformers (DiTs) have gained increasing adoption in high-quality image and video generation. As demand for higher-resolution images and longer videos increases, single-GPU inference becomes inefficient due to increased latency…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Jiacheng Yang , Jun Wu , Yaoyao Ding , Zhiying Xu , Yida Wang , Gennady Pekhimenko

Large language model (LLM) serving has transformed from stateless to stateful systems, utilizing techniques like context caching and disaggregated inference. These optimizations extend the lifespan and domain of the KV cache, necessitating…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-24 Cunchen Hu , Heyang Huang , Junhao Hu , Jiang Xu , Xusheng Chen , Tao Xie , Chenxi Wang , Sa Wang , Yungang Bao , Ninghui Sun , Yizhou Shan

Data heterogeneity presents significant challenges for federated learning (FL). Recently, dataset distillation techniques have been introduced, and performed at the client level, to attempt to mitigate some of these challenges. In this…

Machine Learning · Computer Science 2023-12-05 Yuqi Jia , Saeed Vahidian , Jingwei Sun , Jianyi Zhang , Vyacheslav Kungurtsev , Neil Zhenqiang Gong , Yiran Chen

Each request in LLM inference goes through two phases: compute-bound prefill and memory-bandwidth-bound decode. To improve GPU utilization, recent systems use hybrid batching that combines the prefill and decode phases of different requests…

Machine Learning · Computer Science 2025-02-18 Aditya K Kamath , Ramya Prabhu , Jayashree Mohan , Simon Peter , Ramachandran Ramjee , Ashish Panwar

In the era of LLMs, dense operations such as GEMM and MHA are critical components. These operations are well-suited for parallel execution using a tilebased approach. While traditional GPU programming often relies on low level interfaces…

Computation and Language · Computer Science 2025-03-27 Dewei Wang , Wei Zhu , Liyang Ling , Ettore Tiotto , Quintin Wang , Whitney Tsang , Julian Opperman , Jacky Deng

Serving deep neural networks in latency critical interactive settings often requires GPU acceleration. However, the small batch sizes typical in online inference results in poor GPU utilization, a potential performance gap which GPU…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-03 Paras Jain , Xiangxi Mo , Ajay Jain , Harikaran Subbaraj , Rehan Sohail Durrani , Alexey Tumanov , Joseph Gonzalez , Ion Stoica