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Large language models (LLMs) often exhibit complementary strengths. Model routing harnesses these strengths by dynamically directing each query to the most suitable model, given a candidate model pool. However, routing performance relies on…

Machine Learning · Computer Science 2025-11-17 Chenxu Wang , Hao Li , Yiqun Zhang , Linyao Chen , Jianhao Chen , Ping Jian , Peng Ye , Qiaosheng Zhang , Shuyue Hu

Large language models (LLMs) exhibit strengths across diverse domains. However, achieving strong performance across these domains with a single general-purpose model typically requires scaling to sizes that are prohibitively expensive to…

Artificial Intelligence · Computer Science 2026-05-22 Nuoya Xiong , Yuhang Zhou , Hanqing Zeng , Zhaorun Chen , Furong Huang , Shuchao Bi , Lizhu Zhang , Zhuokai Zhao

Large Language Models (LLMs) have achieved remarkable success across a wide range of tasks, but serving them efficiently at scale remains a critical challenge due to their substantial computational and latency demands. While most existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-04 Yifan Sun , Gholamreza Haffari , Minxian Xu , Rajkumar Buyya , Adel N. Toosi

Large language models (LLMs) have demonstrated exceptional performance across a wide range of natural language tasks. However, selecting the optimal LLM to respond to a user query often necessitates a delicate balance between performance…

Artificial Intelligence · Computer Science 2025-06-24 Wei Song , Zhenya Huang , Cheng Cheng , Weibo Gao , Bihan Xu , GuanHao Zhao , Fei Wang , Runze Wu

Large language models (LLMs) are increasingly accessed as remotely hosted services by edge and enterprise clients that cannot run frontier models locally. Since models vary widely in capability and price, routing queries to models that…

Machine Learning · Computer Science 2026-02-02 Baris Askin , Shivam Patel , Anupam Nayak , Andrea Vigano , Jiin Woo , Gauri Joshi , Carlee Joe-Wong

The scaling of large language models (LLMs) has revolutionized their capabilities in various tasks, yet this growth must be matched with efficient computational strategies. The Mixture-of-Experts (MoE) architecture stands out for its…

Computation and Language · Computer Science 2025-03-20 Zihan Qiu , Zeyu Huang , Shuang Cheng , Yizhi Zhou , Zili Wang , Ivan Titov , Jie Fu

The proliferation of large language models (LLMs) with varying computational costs and performance profiles presents a critical challenge for scalable, cost-effective deployment in real-world applications. We introduce a unified routing…

Large Language Model (LLM) routing is a pivotal technique for navigating a diverse landscape of LLMs, aiming to select the best-performing LLMs tailored to the domains of user queries, while managing computational resources. However,…

Computation and Language · Computer Science 2025-05-23 Haochen Shi , Tianshi Zheng , Weiqi Wang , Baixuan Xu , Chunyang Li , Chunkit Chan , Tao Fan , Yangqiu Song , Qiang Yang

Mixture of Experts (MoE) architectures increase large language model scalability, yet their performance depends on the router module that moves tokens to specialized experts. Bad routing can load imbalance and reduced accuracy. This project…

Machine Learning · Computer Science 2025-06-23 Daniel Fidel Harvey , George Weale , Berk Yilmaz

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

The deployment of large language models (LLMs) in real-world clinical applications is constrained by the fundamental trade-off between computational cost and the efficiency of linear-time models. To address this, we propose an LLM-based…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Hamad Khan , Saddam Hussain Khan

Large language models (LLMs) deliver impressive capabilities but incur substantial inference latency and cost, which hinders their deployment in latency-sensitive and resource-constrained scenarios. Cloud-edge-device collaborative inference…

Artificial Intelligence · Computer Science 2026-03-24 Haoyu Qiao , Hao Zhang , Shanwen Mao , Siyao Cheng , Jie Liu

Vision-Language Models (VLMs) excel in diverse multimodal tasks. However, user requirements vary across scenarios, which can be categorized into fast response, high-quality output, and low energy consumption. Relying solely on large models…

Machine Learning · Computer Science 2025-11-03 Xin Tang , Youfang Han , Fangfei Gou , Wei Zhao , Xin Meng , Yang Yu , Jinguo Zhang , Yuanchun Shi , Yuntao Wang , Tengxiang Zhang

Large language models (LLMs) are widely applied in chatbots, code generators, and search engines. Workload such as chain-of-throught, complex reasoning, agent services significantly increase the inference cost by invoke the model…

Computation and Language · Computer Science 2025-11-27 Sihyeong Park , Sungryeol Jeon , Chaelyn Lee , Seokhun Jeon , Byung-Soo Kim , Jemin Lee

Large language model (LLM) routers improve the efficiency of multi-model systems by directing each query to the most appropriate model while leveraging the diverse strengths of heterogeneous LLMs. Most existing approaches frame routing as a…

Computation and Language · Computer Science 2025-10-23 Canbin Huang , Tianyuan Shi , Yuhua Zhu , Ruijun Chen , Xiaojun Quan

Sparse Mixture-of-Experts (MoE) architectures are increasingly popular for frontier large language models (LLM) but they introduce training challenges due to routing complexity. Fully leveraging parameters of an MoE model requires all…

Large Language Models (LLMs) have achieved remarkable performance in Machine Translation (MT), but deploying them at scale remains prohibitively expensive. A widely adopted remedy is the hybrid system paradigm, which balances cost and…

Computation and Language · Computer Science 2026-04-27 Yingfeng Luo , Hongyu Liu , Dingyang Lin , Kaiyan Chang , Chenglong Wang , Bei Li , Quan Du , Tong Xiao , Jingbo Zhu

Large Language Models (LLMs) built on transformer architectures have transformed natural language processing, achieving remarkable performance across diverse applications. While distributed inference frameworks enable practical deployment…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-22 Lang Xu , Kaushik Kandadi Suresh , Quentin Anthony , Nawras Alnaasan , Dhabaleswar K. Panda

As AI moves beyond text, large language models (LLMs) increasingly power vision, audio, and document understanding; however, their high inference costs hinder real-time, scalable deployment. Conversely, smaller open-source models offer cost…

Computation and Language · Computer Science 2025-11-11 Mayank Saini , Arit Kumar Bishwas

The deployment of large language models (LLMs) in real-world applications is increasingly limited by their high inference cost. While recent advances in dynamic token-level computation allocation attempt to improve efficiency by selectively…

Computation and Language · Computer Science 2025-10-17 Chao Han , Yijuan Liang , Zihao Xuan , Daokuan Wu , Wei Zhang , Xiaoyu Shen