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Related papers: LServe: Efficient Long-sequence LLM Serving with U…

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The recent advances in LLMs bring a strong demand for efficient system support to improve overall serving efficiency. As LLM inference scales towards multiple GPUs and even multiple compute nodes, various coordination patterns, such as…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-18 Hongyi Jin , Ruihang Lai , Charlie F. Ruan , Yingcheng Wang , Todd C. Mowry , Xupeng Miao , Zhihao Jia , Tianqi Chen

Large Language Models (LLMs) are increasingly deployed in long-context tasks such as reasoning, code generation, and multi-turn dialogue. However, inference over extended contexts is bottlenecked by the Key-Value (KV) cache, whose memory…

Computation and Language · Computer Science 2026-05-21 Seonghwan Choi , Beomseok Kang , Dongwon Jo , Jae-Joon Kim

Many advanced Large Language Model (LLM) applications require long-context processing, but the self-attention module becomes a bottleneck during the prefilling stage of inference due to its quadratic time complexity with respect to sequence…

Machine Learning · Computer Science 2025-06-02 Xiaodong Ji , Hailin Zhang , Fangcheng Fu , Bin Cui

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

The integration of long-context capabilities with visual understanding unlocks unprecedented potential for Vision Language Models (VLMs). However, the quadratic attention complexity during the pre-filling phase remains a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yucheng Li , Huiqiang Jiang , Chengruidong Zhang , Qianhui Wu , Xufang Luo , Surin Ahn , Amir H. Abdi , Dongsheng Li , Jianfeng Gao , Yuqing Yang , Lili Qiu

Inference with Transformer-based Large Language Models (LLMs) on long sequences is both costly and slow due to the quadratic complexity of the self-attention mechanism. We introduce Star Attention, a two-phase block-sparse approximation…

Computation and Language · Computer Science 2025-06-02 Shantanu Acharya , Fei Jia , Boris Ginsburg

Recent large language models (LLMs) are rapidly extending their context windows, yet inference throughput lags due to increasing GPU memory and bandwidth demands. This is because the key-value (KV) cache, an intermediate structure storing…

As Large Language Models (LLMs) scale to million-token contexts, traditional Mechanistic Interpretability techniques for analyzing attention scale quadratically with context length, demanding terabytes of memory beyond 100,000 tokens. We…

Computation and Language · Computer Science 2026-02-03 J Rosser , José Luis Redondo García , Gustavo Penha , Konstantina Palla , Hugues Bouchard

LLMs are widely adopted in production, pushing inference systems to their limits. Disaggregated LLM serving (e.g., PD separation and KV state disaggregation) improves scalability and cost efficiency, but it also turns KV into an explicit…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-14 Zedong Liu , Xinyang Ma , Dejun Luo , Hairui Zhao , Bing Lu , Wenjing Huang , Yida Gu , Xingchen Liu , Zheng Wei , Jinyang Liu , Dingwen Tao , Guangming Tan

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

In this paper, we propose DEEPSERVE, a scalable and serverless AI platform designed to efficiently serve large language models (LLMs) at scale in cloud environments. DEEPSERVE addresses key challenges such as resource allocation, serving…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-10 Junhao Hu , Jiang Xu , Zhixia Liu , Yulong He , Yuetao Chen , Hao Xu , Jiang Liu , Jie Meng , Baoquan Zhang , Shining Wan , Gengyuan Dan , Zhiyu Dong , Zhihao Ren , Changhong Liu , Tao Xie , Dayun Lin , Qin Zhang , Yue Yu , Hao Feng , Xusheng Chen , Yizhou Shan

Transformer-based large language models (LLMs) exhibit impressive performance in generative tasks but also introduce significant challenges in real-world serving due to inefficient use of the expensive, computation-optimized accelerators.…

Machine Learning · Computer Science 2025-04-11 Shaoyuan Chen , Wencong Xiao , Yutong Lin , Mingxing Zhang , Yingdi Shan , Jinlei Jiang , Kang Chen , Yongwei Wu

As Large Language Models (LLMs) scale to longer context windows, the computational cost of attention mechanisms, which traditionally grows quadratically with input length, presents a critical challenge for real-time and memory-constrained…

Computation and Language · Computer Science 2024-12-10 James Vo

Recent large language models (LLMs) with enormous model sizes use many GPUs to meet memory capacity requirements incurring substantial costs for token generation. To provide cost-effective LLM inference with relaxed latency constraints,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-03 Sanghyeon Lee , Hongbeen Kim , Soojin Hwang , Guseul Heo , Minwoo Noh , Jaehyuk Huh

As the length of input text increases, the key-value (KV) cache in LLMs imposes prohibitive GPU memory costs and limits long-context inference on resource constrained devices. Existing approaches, such as KV quantization and pruning, reduce…

Machine Learning · Computer Science 2025-12-24 Tenghui Li , Guoxu Zhou , Xuyang Zhao , Yuning Qiu , Qibin Zhao

Long-context LLM serving is bottlenecked by the cost of attending over ever-growing KV caches. Dynamic sparse attention promises relief by accessing only a small, query-dependent subset of the KV state per decoding step and extending the KV…

Machine Learning · Computer Science 2026-04-30 Zihan Zhao , Baotong Lu , Shengjie Lin , Yizou Chen , Jing Liu , Yanqi Zhang , Ziming Miao , Ming-Chang Yang , Haiying Shen , Qi Chen , Fan Yang

LLM inference must meet strict latency SLOs (e.g., 100 ms P99 time-between-tokens) while maximizing goodput. Yet, real-world variability in prompt and response lengths skews compute-intensive prefill and memory-bound decode phases, making…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-23 Chaoyi Ruan , Yinhe Chen , Dongqi Tian , Yandong Shi , Yongji Wu , Jialin Li , Cheng Li

Transformers, driven by attention mechanisms, form the foundation of large language models (LLMs). As these models scale up, efficient GPU attention kernels become essential for high-throughput and low-latency inference. Diverse LLM…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Zihao Ye , Lequn Chen , Ruihang Lai , Wuwei Lin , Yineng Zhang , Stephanie Wang , Tianqi Chen , Baris Kasikci , Vinod Grover , Arvind Krishnamurthy , Luis Ceze

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

Long-context decoding in LLMs is IO-bound: each token re-reads an ever-growing KV cache. Prior accelerations cut bytes via compression, which lowers fidelity, or selection/eviction, which restricts what remains accessible, and both can…

Machine Learning · Computer Science 2026-04-02 Jinghan Yao , Sam Adé Jacobs , Walid Krichene , Masahiro Tanaka , Dhabaleswar K Panda