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Distributed prefix caching accelerates long-context LLM serving by reusing KV cache entries for common context prefixes. However, KV cache fetches can become a bottleneck when network bandwidth is limited. Compression mitigates the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-23 Xingyu Xiang , Raj Joshi , Yuhan Liu , Jiayi Yao , Chenxingyu Zhao , Junchen Jiang , Yang Zhou , Eddie Kohler , Minlan Yu

Efficient LLM serving must balance throughput and latency across diverse, bursty workloads. We introduce StreamServe, a disaggregated prefill decode serving architecture that combines metric aware routing across compute lanes with adaptive…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-14 Satyam Kumar , Arpit Singh Gautam , Kailash Talreja , Saurabh Jha

Deploying Large Language Models (LLMs) in streaming applications such as multi-round dialogue, where long interactions are expected, is urgently needed but poses two major challenges. Firstly, during the decoding stage, caching previous…

Computation and Language · Computer Science 2024-04-09 Guangxuan Xiao , Yuandong Tian , Beidi Chen , Song Han , Mike Lewis

Large language models encounter critical GPU memory capacity constraints during long-context inference, where KV cache memory consumption severely limits decode batch sizes. While existing research has explored offloading KV cache to DRAM,…

Machine Learning · Computer Science 2026-03-31 Qiuyang Zhang , Kai Zhou , Ding Tang , Kai Lu , Cheng Li , Zhenyu Yang , Peng Xu , Jiguang Wan

Since local LLM inference on resource-constrained edge devices imposes a severe performance bottleneck, this paper proposes distributed prompt caching to enhance inference performance by cooperatively sharing intermediate processing states…

Machine Learning · Computer Science 2026-04-13 Hiroki Matsutani , Naoki Matsuda , Naoto Sugiura

KV cache has traditionally been stored in GPU memory to accelerate the decoding phase of large language model (LLM) inference. However, it is increasingly necessary to move KV caches outside GPU devices, to enable cache reuse across…

Machine Learning · Computer Science 2025-12-08 Yuhan Liu , Yihua Cheng , Jiayi Yao , Yuwei An , Xiaokun Chen , Shaoting Feng , Yuyang Huang , Samuel Shen , Rui Zhang , Kuntai Du , Junchen Jiang

General matrix multiplication (GEMM) operations are the fundamental building blocks of computational domains including artificial intelligence (AI). As GPU architectures evolve and high-performance AI becomes increasingly important,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-26 Harisankar Sadasivan , Muhammed Emin Ozturk , Muhammad Osama , Chris Millette , Astha Rai , Maksim Podkorytov , John Afaganis , Carlus Huang , Jing Zhang , Jun Liu

Large Language Models (LLMs) are widely used across various domains, processing millions of daily requests. This surge in demand poses significant challenges in optimizing throughput and latency while keeping costs manageable. The Key-Value…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-23 Jiale Xu , Rui Zhang , Cong Guo , Weiming Hu , Zihan Liu , Feiyang Wu , Yu Feng , Shixuan Sun , Changxu Shao , Yuhong Guo , Junping Zhao , Ke Zhang , Minyi Guo , Jingwen Leng

Recently, with the emergence of recent Multimodal Large Language Model (MLLM) technology, it has become possible to exploit its video understanding capability on different classification tasks. In practice, we face the difficulty of huge…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Xin Dong , Sen Jia , Ming Rui Wang , Yan Li , Zhenheng Yang , Bingfeng Deng , Hongyu Xiong

Large-scale GPU clusters are widely-used to speed up both latency-critical (online) and best-effort (offline) deep learning (DL) workloads. However, most DL clusters either dedicate each GPU to one workload or share workloads in time,…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-27 Yihao Zhao , Xin Liu , Shufan Liu , Xiang Li , Yibo Zhu , Gang Huang , Xuanzhe Liu , Xin Jin

Shared virtual memory (SVM) is key in heterogeneous systems on chip (SoCs), which combine a general-purpose host processor with a many-core accelerator, both for programmability and to avoid data duplication. However, SVM can bring a…

Hardware Architecture · Computer Science 2018-08-30 Andreas Kurth , Pirmin Vogel , Andrea Marongiu , Luca Benini

With the rapid adoption of Large Language Models (LLMs), LLM-adapters have become increasingly common, providing lightweight specialization of large-scale models. Serving hundreds or thousands of these adapters on a single GPU allows…

Recent years have witnessed a surge in deep learning research, marked by the introduction of expansive generative models like OpenAI's SORA and GPT, Meta AI's LLAMA series, and Google's FLAN, BART, and Gemini models. However, the rapid…

Cryptography and Security · Computer Science 2024-07-11 Zhen Wang , Qin Wang , Guangsheng Yu , Shiping Chen

Large language model (LLM) serving demands low latency and high throughput, but high load variability makes it challenging to achieve high GPU utilization. In this paper, we identify a synergetic but overlooked opportunity to co-serve…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-05 Yifan Qiao , Shu Anzai , Shan Yu , Haoran Ma , Shuo Yang , Yang Wang , Miryung Kim , Yongji Wu , Yang Zhou , Jiarong Xing , Joseph E. Gonzalez , Ion Stoica , Harry Xu

Sequential recommendation models are widely used in applications, yet they face stringent latency requirements. Mainstream models leverage the Transformer attention mechanism to improve performance, but its computational complexity grows…

Artificial Intelligence · Computer Science 2026-03-26 Jingyu Li , Zhaocheng Du , Qianhui Zhu , kaiyuan Li , Zhicheng Zhang , Song-Li Wu , Chaolang Li , Pengwen Dai

Long-context reasoning is a critical capability of large language models (LLMs), enabling applications such as long-document understanding, summarization, and code generation. However, efficient autoregressive inference relies on the…

Computation and Language · Computer Science 2026-04-28 Zahra Dehghanighobadi , Asja Fischer

Recent large language models (LLMs) face increasing inference latency as input context length and model size continue to grow. In particular, the retrieval-augmented generation (RAG) technique, which enhances LLM responses by incorporating…

Artificial Intelligence · Computer Science 2025-04-17 Hyungwoo Lee , Kihyun Kim , Jinwoo Kim , Jungmin So , Myung-Hoon Cha , Hong-Yeon Kim , James J. Kim , Youngjae Kim

Large Language Model (LLM) serving is increasingly constrained by the growing size of the key-value (KV) cache, which scales with both context length and generation length. Prior work shows that attention is dominated by a small subset of…

Machine Learning · Computer Science 2026-04-21 Nazmul Takbir , Hamidreza Alikhani , Nikil Dutt , Sangeetha Abdu Jyothi

Efficient inference for on-device Large Language Models (LLMs) remains challenging due to limited hardware resources and the high cost of the prefill stage, which processes the full input context to construct Key-Value (KV) caches. We…

Networking and Internet Architecture · Computer Science 2026-05-06 Hongyao Liu , Liuqun Zhai , Junyi Wang , Zhengru Fang

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