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Large language model (LLM) serving faces the dual challenge of meeting strict user-specific service-level objectives (SLOs) while minimizing computational cost under dynamic, multi-task workloads. Existing approaches either rely on static…

Large Language Models (LLMs) are transforming recommendation from ranking into a generative task, but industrial deployment remains limited by the high latency of processing long, personalized prompts. Standard prefix caching provides…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-11 Zhan Zhao , Yuxin Wang , Amelie Chi Zhou

Large language models (LLMs) are increasingly explored for their reasoning capabilities, yet their ability to perform structured, constraint-based optimization from natural language remains insufficiently understood. This study evaluates…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Aasish Kumar Sharma , Julian Kunkel

The context window of large language models (LLMs) is rapidly increasing, leading to a huge variance in resource usage between different requests as well as between different phases of the same request. Restricted by static parallelism…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-30 Bingyang Wu , Shengyu Liu , Yinmin Zhong , Peng Sun , Xuanzhe Liu , Xin Jin

Recent breakthroughs in Large-scale language models (LLMs) have demonstrated impressive performance on various tasks. The immense sizes of LLMs have led to very high resource demand and cost for running the models. Though the models are…

Machine Learning · Computer Science 2024-03-05 Juntao Zhao , Borui Wan , Yanghua Peng , Haibin Lin , Chuan Wu

Conventional operating system scheduling algorithms are largely content-ignorant, making decisions based on factors such as latency or fairness without considering the actual intents or semantics of processes. Consequently, these algorithms…

Machine Learning · Computer Science 2025-06-17 Wenyue Hua , Dujian Ding , Yile Gu , Yujie Ren , Kai Mei , Minghua Ma , William Yang Wang

Large language models (LLMs) are typically served from clusters of GPUs/NPUs that consist of large number of devices. Unfortunately, communication between these devices incurs significant overhead, increasing the inference latency and cost…

Artificial Intelligence · Computer Science 2025-05-27 Ahmet Caner Yüzügüler , Jiawei Zhuang , Lukas Cavigelli

The reasoning large language model (RLLM) has been proven competitive in solving complex reasoning tasks such as mathematics, coding, compared to general LLM. However, the serving performance and behavior of RLLM remains unexplored, which…

Machine Learning · Computer Science 2025-10-22 Qi Li , Junpan Wu , Xiang Liu , Yuxin Wang , Zeyu Li , Zhenheng Tang , Yuhan Chen , Shaohuai Shi , Xiaowen Chu

As large language models (LLMs) have shown great success in many tasks, they are used in various applications. While a lot of works have focused on the efficiency of single-LLM application (e.g., offloading, request scheduling, parallelism…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-24 Jingzhi Fang , Yanyan Shen , Yue Wang , Lei Chen

Generating texts with a large language model (LLM) consumes massive amounts of memory. Apart from the already-large model parameters, the key/value (KV) cache that holds information about previous tokens in a sequence can grow to be even…

Hardware Architecture · Computer Science 2023-06-12 Yunho Jin , Chun-Feng Wu , David Brooks , Gu-Yeon Wei

In long context scenarios, large language models (LLMs) face three main challenges: higher computational cost, performance reduction, and position bias. Research indicates that LLM performance hinges on the density and position of key…

Computation and Language · Computer Science 2024-08-13 Huiqiang Jiang , Qianhui Wu , Xufang Luo , Dongsheng Li , Chin-Yew Lin , Yuqing Yang , Lili Qiu

High-demand LLM inference services (e.g., ChatGPT and BARD) support a wide range of requests from short chat conversations to long document reading. To ensure that all client requests are processed fairly, most major LLM inference services…

Artificial Intelligence · Computer Science 2024-06-06 Ying Sheng , Shiyi Cao , Dacheng Li , Banghua Zhu , Zhuohan Li , Danyang Zhuo , Joseph E. Gonzalez , Ion Stoica

The efficient deployment of large language models (LLMs) in online settings requires optimizing inference performance under stringent latency constraints, particularly the time-to-first-token (TTFT) and time-per-output-token (TPOT). This…

Data Structures and Algorithms · Computer Science 2026-01-05 Gregory Dexter , Shao Tang , Ata Fatahi Baarzi , Qingquan Song , Tejas Dharamsi , Aman Gupta

Nowadays, many companies possess various types of AI accelerators, forming heterogeneous clusters. Efficiently leveraging these clusters for high-throughput large language model (LLM) inference services can significantly reduce costs and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Yi Xiong , Jinqi Huang , Wenjie Huang , Xuebing Yu , Entong Li , Zhixiong Ning , Jinhua Zhou , Li Zeng , Xin Chen

Energy consumption dictates the cost and environmental impact of deploying Large Language Models. This paper investigates the impact of on-chip SRAM size and operating frequency on the energy efficiency and performance of LLM inference,…

Hardware Architecture · Computer Science 2025-12-29 Hannah Atmer , Yuan Yao , Thiemo Voigt , Stefanos Kaxiras

Large Language Models face an emerging and critical threat known as latency attacks. Because LLM inference is inherently expensive, even modest slowdowns can translate into substantial operating costs and severe availability risks.…

Cryptography and Security · Computer Science 2026-02-10 Tianyi Wang , Huawei Fan , Yuanchao Shu , Peng Cheng , Cong Wang

The evolution of Large Language Model (LLM) serving towards complex, distributed architectures--specifically the P/D-separated, large-scale DP+EP paradigm--introduces distinct scheduling challenges. Unlike traditional deployments where…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-19 Jian Tian , Shuailong Li , Yang Cao , Wenbo Cui , Minghan Zhu , Wenkang Wu , Jianming Zhang , Yanpeng Wang , Zhiwen Xiao , Zhenyu Hou , Dou Shen

Large Language Models have revolutionized natural language processing, yet serving them efficiently in data centers remains challenging due to mixed workloads comprising latency-sensitive (LS) and best-effort (BE) jobs. Existing inference…

Machine Learning · Computer Science 2025-03-13 Mohammad Siavashi , Faezeh Keshmiri Dindarloo , Dejan Kostic , Marco Chiesa

Large language model (LLM) inference serving systems are essential to various LLM-based applications. As demand for LLM services continues to grow, scaling these systems to handle high request rates while meeting latency Service-Level…

Machine Learning · Computer Science 2025-04-11 Shihong Gao , Xin Zhang , Yanyan Shen , Lei Chen

Large Language Models (LLMs) based on autoregressive, decoder-only Transformers generate text one token at a time, where a token represents a discrete unit of text. As each newly produced token is appended to the partial output sequence,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-06 Dimitrios Kafetzis , Ramin Khalili , Iordanis Koutsopoulos