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Large Language Models (LLMs) have revolutionized numerous domains, driving the rise of Language-Model-as-a-Service (LMaaS) platforms that process millions of queries daily. These platforms must minimize latency and meet Service Level…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-21 Zhihan Jiang , Yujie Huang , Guangba Yu , Junjie Huang , Jiazhen Gu , Michael R. Lyu

Code Large Language Models (CodeLLMs) are increasingly integrated into modern software development workflows, yet efficiently serving them in resource-constrained, self-hosted environments remains a significant challenge. Existing LLM…

Software Engineering · Computer Science 2025-06-26 Shi Chang , Boyuan Chen , Kishanthan Thangarajah , Hanan Lutfiyya , Ahmed E. Hassan

Large language models (LLMs) with different architectures and sizes have been developed. Serving each LLM with dedicated GPUs leads to resource waste and service inefficiency due to the varying demand of LLM requests. A common practice is…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Yihao Zhao , Jiadun Chen , Peng Sun , Lei Li , Xuanzhe Liu , Xin Jin

Large language models (LLMs) iteratively generate text token by token, with memory usage increasing with the length of generated token sequences. Since the request generation length is generally unpredictable, it is difficult to estimate…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-11 Ke Cheng , Wen Hu , Zhi Wang , Hongen Peng , Jianguo Li , Sheng Zhang

Large Language Models (LLMs) have achieved remarkable success across a wide range of tasks, but serving them efficiently at scale remains a critical challenge due to their substantial computational and latency demands. While most existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-04 Yifan Sun , Gholamreza Haffari , Minxian Xu , Rajkumar Buyya , Adel N. Toosi

The exploration and application of Large Language Models (LLMs) is thriving. To reduce deployment costs, continuous batching has become an essential feature in current service frameworks. The effectiveness of continuous batching relies on…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-15 Ruihao Gong , Shihao Bai , Siyu Wu , Yunqian Fan , Zaijun Wang , Xiuhong Li , Hailong Yang , Xianglong Liu

Large language models (LLMs) power a new generation of interactive AI applications exemplified by ChatGPT. The interactive nature of these applications demands low latency for LLM inference. Existing LLM serving systems use…

Machine Learning · Computer Science 2024-09-26 Bingyang Wu , Yinmin Zhong , Zili Zhang , Shengyu Liu , Fangyue Liu , Yuanhang Sun , Gang Huang , Xuanzhe Liu , Xin Jin

In Large Language Model (LLM) inference, the output length of an LLM request is typically regarded as not known a priori. Consequently, most LLM serving systems employ a simple First-come-first-serve (FCFS) scheduling strategy, leading to…

Machine Learning · Computer Science 2024-08-29 Yichao Fu , Siqi Zhu , Runlong Su , Aurick Qiao , Ion Stoica , Hao Zhang

Large language models (LLMs) have demonstrated remarkable performance, and organizations are racing to serve LLMs of varying sizes as endpoints for use-cases like chat, programming and search. However, efficiently serving multiple LLMs…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-14 Jiangfei Duan , Runyu Lu , Haojie Duanmu , Xiuhong Li , Xingcheng Zhang , Dahua Lin , Ion Stoica , Hao Zhang

Large Language Model (LLM) workloads have distinct prefill and decode phases with different compute and memory requirements which should ideally be accounted for when scheduling input queries across different LLM instances in a cluster.…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-08 Kunal Jain , Anjaly Parayil , Ankur Mallick , Esha Choukse , Xiaoting Qin , Jue Zhang , Íñigo Goiri , Rujia Wang , Chetan Bansal , Victor Rühle , Anoop Kulkarni , Steve Kofsky , Saravan Rajmohan

Large Language Models (LLMs) such as GPT-4 and Llama have shown remarkable capabilities in a variety of software engineering tasks. Despite the advancements, their practical deployment faces challenges, including high financial costs, long…

Software Engineering · Computer Science 2025-08-06 Yueyue Liu , Hongyu Zhang , Yuantian Miao

Large Language Models (LLMs) are becoming ubiquitous across industries, where applications demand they fulfill diverse user intents. However, developers currently face the challenge of manually exploring numerous deployment configurations -…

Software Engineering · Computer Science 2025-01-24 Dimitrios Liakopoulos , Tianrui Hu , Prasoon Sinha , Neeraja J. Yadwadkar

Serving systems for Large Language Models (LLMs) are often optimized to improve quality of service (QoS) and throughput. However, due to the lack of open-source LLM serving workloads, these systems are frequently evaluated under unrealistic…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-27 Yuxin Wang , Yuhan Chen , Zeyu Li , Xueze Kang , Yuchu Fang , Yeju Zhou , Yang Zheng , Zhenheng Tang , Xin He , Rui Guo , Xin Wang , Qiang Wang , Amelie Chi Zhou , Xiaowen Chu

Large language models (LLMs) have surged in popularity and are extensively used in commercial applications, where the efficiency of model serving is crucial for the user experience. Most current research focuses on optimizing individual…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-12 Yuhang Yao , Han Jin , Alay Dilipbhai Shah , Shanshan Han , Zijian Hu , Yide Ran , Dimitris Stripelis , Zhaozhuo Xu , Salman Avestimehr , Chaoyang He

Large language model (LLM) applications are evolving beyond simple chatbots into dynamic, general-purpose agentic programs, which scale LLM calls and output tokens to help AI agents reason, explore, and solve complex tasks. However,…

Large Language Models (LLMs) demonstrate substantial potential across a diverse array of domains via request serving. However, as trends continue to push for expanding context sizes, the autoregressive nature of LLMs results in highly…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-08 Bin Lin , Chen Zhang , Tao Peng , Hanyu Zhao , Wencong Xiao , Minmin Sun , Anmin Liu , Zhipeng Zhang , Lanbo Li , Xiafei Qiu , Shen Li , Zhigang Ji , Tao Xie , Yong Li , Wei Lin

The use of Large Language Models (LLMs) for querying relational data has given rise to relQuery, a workload pattern that applies templated LLM calls to structured tables. As relQuery services become more widely adopted in applications such…

Databases · Computer Science 2026-01-21 Xin Zhang , Shihong Gao , Yanyan Shen , Haoyang Li , Lei Chen

With the growing use of Large Language Model (LLM)-based tools like ChatGPT, Perplexity, and Gemini across industries, there is a rising need for efficient LLM inference systems. These systems handle requests with a unique two-phase…

Machine Learning · Computer Science 2025-12-02 Agrim Bari , Parikshit Hegde , Gustavo de Veciana

The widespread deployment of large language models (LLMs) for interactive applications necessitates serving systems that can handle thousands of concurrent requests with diverse Service Level Objective (SLO) requirements. A critical yet…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-16 Weizhe Huang , Tao Peng , Tongxuan Liu , Donghe Jin , Xianzhe Dong , Ke Zhang

Serverless computing systems are becoming very popular. Large corporations such as Netflix, Airbnb, and Coca-Cola use such systems for running their websites and IT systems. The advantages of such systems include superior support for…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-14 Abhisek Panda , Smruti R. Sarangi