English
Related papers

Related papers: Predictable LLM Serving on GPU Clusters

200 papers

As Large Language Models (LLMs) gain traction, their reliance on power-hungry GPUs places ever-increasing energy demands, raising environmental and monetary concerns. Inference dominates LLM workloads, presenting a critical challenge for…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-04 Andreas Kosmas Kakolyris , Dimosthenis Masouros , Petros Vavaroutsos , Sotirios Xydis , Dimitrios Soudris

This paper presents PipeBoost, a low-latency LLM serving system for multi-GPU (serverless) clusters, which can rapidly launch inference services in response to bursty requests without preemptively over-provisioning GPUs. Many LLM inference…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-25 Chongpeng Liu , Xiaojian Liao , Hancheng Liu , Limin Xiao , Jianxin Li

Large Language Model (LLM) inference is widely used in interactive assistants and agentic systems. In latency-sensitive deployments, inference time can become dominated by host-side overheads. Existing approaches typically expose this cost…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-16 Prabhu Vellaisamy , Shreesh Tripathi , Vignesh Natarajan , Surya Santhan Thenarasu , Shawn Blanton , John P. Shen

Training Large Language Models(LLMs) is one of the most compute-intensive tasks in high-performance computing. Predicting end-to-end training time for multi-billion parameter models distributed across hundreds of GPUs remains challenging…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-30 Biyao Zhang , Mingkai Zheng , Debargha Ganguly , Xuecen Zhang , Vikash Singh , Vipin Chaudhary , Zhao Zhang

Autoregressive inference in large transformer-based language models (LLMs) presents significant challenges for runtime efficiency, particularly during the decode phase where load imbalance across GPU shards can cause throughput degradation…

Machine Learning · Computer Science 2025-09-24 Javed I. Khan an Henry Uwabor Moye

As large language models (LLMs) continue to scale, the high power consumption of AI accelerators in datacenters presents significant challenges, substantially increasing the total cost of ownership (TCO) for cloud service providers (CSPs)…

Machine Learning · Computer Science 2025-08-26 Jiwoo Kim , Joonhyung Lee , Gunho Park , Byeongwook Kim , Se Jung Kwon , Dongsoo Lee , Youngjoo Lee

This work elaborates on a High performance computing (HPC) architecture based on Simple Linux Utility for Resource Management (SLURM) [1] for deploying heterogeneous Large Language Models (LLMs) into a scalable inference engine. Dynamic…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-26 Anderson de Lima Luiz , Shubham Vijay Kurlekar , Munir Georges

Due to rising demands for Artificial Inteligence (AI) inference, especially in higher education, novel solutions utilising existing infrastructure are emerging. The utilisation of High-Performance Computing (HPC) has become a prevalent…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-27 Tim Trappen , Robert Keßler , Roland Pabel , Viktor Achter , Stefan Wesner

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

Large model inference is shifting from cloud to edge due to concerns about the privacy of user interaction data. However, edge devices often struggle with limited computing power, memory, and bandwidth, requiring collaboration across…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-02 Zonghang Li , Wenjiao Feng , Mohsen Guizani , Hongfang Yu

Large language models (LLMs) require substantial computational resources, leading to significant carbon emissions and operational costs. Although training is energy-intensive, the long-term environmental burden arises from inference,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-05 Kolichala Rajashekar , Nafiseh Sharghivand , Radu Prodan , Reza Farahani

Large language model (LLM)-based inference workloads increasingly dominate data center costs and resource utilization. Therefore, understanding the inference workload characteristics on evolving CPU-GPU coupled architectures is crucial for…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-03 Prabhu Vellaisamy , Thomas Labonte , Sourav Chakraborty , Matt Turner , Samantika Sury , John Paul Shen

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

Deploying multiple models within shared GPU clusters is a key strategy to improve resource efficiency in large language model (LLM) serving. Existing multi-LLM serving systems improve GPU utilization at the cost of degraded inference…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-22 Chiheng Lou , Sheng Qi , Rui Kang , Yong Zhang , Chen Sun , Pengcheng Wang , Xuanzhe Liu , Xin Jin

Deploying large language model (LLM) inference at scale requires jointly selecting base models, provisioning heterogeneous GPUs, configuring parallelism, and distributing workloads under tight latency, accuracy, and budget constraints.…

Machine Learning · Computer Science 2026-04-10 Jiaming Cheng , Duong Tung Nguyen

Large Language Model (LLM) serving faces a fundamental tension between stringent latency Service Level Objectives (SLOs) and limited GPU memory capacity. When high request rates exhaust the KV cache budget, existing LLM inference systems…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-20 Jiahuan Yu , Mingtao Hu , Zichao Lin , Minjia Zhang

Modern GPUs such as the Ampere series (A30, A100) as well as the Hopper series (H100, H200) offer performance as well as security isolation features. They also support a good amount of concurrency, but taking advantage of it can be quite…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-27 Abhijeet Saraha , Yuanbo Li , Chris Porter , Santosh Pande

Transformer-based large language model (LLM) inference serving is now the backbone of many cloud services. LLM inference consists of a prefill phase and a decode phase. However, existing LLM deployment practices often overlook the distinct…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-23 Cunchen Hu , Heyang Huang , Liangliang Xu , Xusheng Chen , Jiang Xu , Shuang Chen , Hao Feng , Chenxi Wang , Sa Wang , Yungang Bao , Ninghui Sun , Yizhou Shan

The surge in large language models (LLMs) has fundamentally reshaped the landscape of GPU usage patterns, creating an urgent need for more efficient management strategies. While cloud providers employ spot instances to reduce costs for…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-16 Jiaang Duan , Shenglin Xu , Shiyou Qian , Dingyu Yang , Kangjin Wang , Chenzhi Liao , Yinghao Yu , Qin Hua , Hanwen Hu , Qi Wang , Wenchao Wu , Dongqing Bao , Tianyu Lu , Jian Cao , Guangtao Xue , Guodong Yang , Liping Zhang , Gang Chen

On-device inference offers privacy, offline use, and instant response, but consumer hardware restricts large language models (LLMs) to low throughput and capability. To overcome this challenge, we present prima.cpp, a distributed on-device…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-29 Zonghang Li , Tao Li , Wenjiao Feng , Rongxing Xiao , Jianshu She , Hong Huang , Mohsen Guizani , Hongfang Yu , Qirong Ho , Wei Xiang , Steve Liu