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Related papers: FleetOpt: Analytical Fleet Provisioning for LLM In…

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Sizing a GPU fleet for LLM inference is harder than it looks. The obvious questions -- how many GPUs, which type, where to split a two-pool fleet -- have no closed-form answers. They depend on the full token-length distribution, the routing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-18 Huamin Chen , Xunzhuo Liu , Yuhan Liu , Junchen Jiang , Bowei He , Xue Liu

Production vLLM fleets typically provision each instance for the worst-case context length, leading to substantial KV-cache over-allocation and under-utilized concurrency. In practice, 80-95% of requests are short, yet are served under…

Computation and Language · Computer Science 2026-04-10 Xunzhuo Liu , Bowei He , Xue Liu , Andy Luo , Haichen Zhang , Huamin Chen

Production vLLM fleets provision every instance for worst-case context length, wasting 4-8x concurrency on the 80-95% of requests that are short and simultaneously triggering KV-cache failures -- OOM crashes, preemption storms, and request…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-16 Huamin Chen , Xunzhuo Liu , Junchen Jiang , Bowei He , Xue Liu

Large language models now serve millions of users daily, with providers incurring costs exceeding $700,000 per day. Each request requires token-by-token inference, making GPU scheduling central to latency, capacity, and cost. The difficulty…

Machine Learning · Computer Science 2026-05-18 Ruicheng Ao , Gan Luo , David Simchi-Levi , Xinshang Wang

Modern GPUs adopt chiplet-based designs with multiple private cache hierarchies, but current programming models (CUDA/HIP) expose a flat execution hierarchy that cannot express chiplet-level locality or synchronization. This mismatch leads…

The torrential influx of floating-point data from domains like IoT and HPC necessitates high-performance lossless compression to mitigate storage costs while preserving absolute data fidelity. Leveraging GPU parallelism for this task…

Databases · Computer Science 2025-11-12 Zheng Li , Weiyan Wang , Ruiyuan Li , Chao Chen , Xianlei Long , Linjiang Zheng , Quanqing Xu , Chuanhui Yang

Major challenges in LLMs inference remain frequent memory bandwidth bottlenecks, computational redundancy, and inefficiencies in long-sequence processing. To address these issues, we propose LLM-CoOpt, a comprehensive algorithmhardware…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-11 Jie Kong , Wei Wang , Jiehan Zhou , Chen Yu

Over the past year, the vLLM Semantic Router project has released a series of work spanning: (1) core routing mechanisms -- signal-driven routing, context-length pool routing, router performance engineering, policy conflict detection,…

Machine Learning · Computer Science 2026-04-10 Huamin Chen , Xunzhuo Liu , Bowei He , Fuyuan Lyu , Yankai Chen , Xue Liu , Yuhan Liu , Junchen Jiang

With the rapid advancement of large language models (LLMs), efficiently serving LLM inference under limited GPU resources has become a critical challenge. Recently, an increasing number of studies have explored applying serverless computing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-19 Zijie Su , Muhammed Tawfiqul Islam , Mohammad Goudarzi , Adel N. Toosi

Efficient LLM inference on resource-constrained devices presents significant challenges in compute and memory utilization. Due to limited GPU memory, existing systems offload model weights to CPU memory, incurring substantial I/O overhead…

Machine Learning · Computer Science 2025-05-22 Xiangwen Zhuge , Xu Shen , Zeyu Wang , Fan Dang , Xuan Ding , Danyang Li , Yahui Han , Tianxiang Hao , Zheng Yang

Large-scale AI models, such as Large Language Models (LLMs) and Diffusion Models (DMs), have grown rapidly in size, creating significant challenges for efficient deployment on resource-constrained hardware. In this paper, we introduce…

Machine Learning · Computer Science 2026-01-05 Tianyi Zhang , Mohsen Hariri , Shaochen Zhong , Vipin Chaudhary , Yang Sui , Xia Hu , Anshumali Shrivastava

Large Language Model (LLM) adapters enable low-cost model specialization, but introduce complex caching and scheduling challenges in distributed serving systems where hundreds of adapters must be hosted concurrently. While prior work has…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-02 Ferran Agullo , Joan Oliveras , Chen Wang , Alberto Gutierrez-Torre , Olivier Tardieu , Alaa Youssef , Jordi Torres , Josep Ll. Berral

Bloom filters are a fundamental data structure for approximate membership queries, with applications ranging from data analytics to databases and genomics. Several variants have been proposed to accommodate parallel architectures. GPUs,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-18 Daniel Jünger , Kevin Kristensen , Yunsong Wang , Xiangyao Yu , Bertil Schmidt

Large language models (LLMs) increasingly rely on long-context processing, but expanding context windows introduces substantial computational and financial costs. Existing context reduction approaches, including retrieval and memory…

Computation and Language · Computer Science 2026-05-25 Binqi Shen , Lier Jin , Hanyu Cai , Lan Hu , Yuting Xin

LLM inference powers latency-critical production services nowadays. The bursty nature of inference traffic results in over-provisioning, which in turn leads to resource underutilization. While online-offline colocation promises to utilize…

Operating Systems · Computer Science 2026-04-10 Fangyue Liu , Hua Liu , Xinyuan Lyu , Shuo Ai , Hao Liang , Lingpeng Chen , Ziqian Hu , Chong Zha , Xin Jin , Hanmei Luo , Peng Chen

Despite decades of research, creating accurate, robust, and efficient lattice Boltzmann methods (LBM) on non-uniform grids with seamless GPU acceleration remains challenging. This work introduces a novel strategy to address this challenge…

Computational Physics · Physics 2026-01-06 Christophe Coreixas , Jonas Latt

Large language model (LLM) agents at the network edge offer low-latency execution for routine queries. In contrast, complex requests often require the superior capability of cloud models, incurring higher latency and cost. To navigate this…

Networking and Internet Architecture · Computer Science 2025-12-01 Yuxuan Chen , Rongpeng Li , Xianfu Chen , Celimuge Wu , Chenghui Peng , Zhifeng Zhao , Honggang Zhang

The widespread growth in LLM developments increasingly demands more computational power from clusters than what they can supply. Traditional LLM applications inherently require huge static resource allocations, which force users to either…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-17 Thanh Son Phung , Douglas Thain

Large Multimodal Models (LMMs) excel in visual-language tasks by leveraging numerous visual tokens for fine-grained visual information, but this token redundancy results in significant computational costs. Previous research aimed at…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Sihan Yang , Runsen Xu , Chenhang Cui , Tai Wang , Dahua Lin , Jiangmiao Pang

The majority of online continual learning (CL) advocates single-epoch training and imposes restrictions on the size of replay memory. However, single-epoch training would incur a different amount of computations per CL algorithm, and the…

Machine Learning · Computer Science 2025-03-18 Minhyuk Seo , Hyunseo Koh , Jonghyun Choi
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