English
Related papers

Related papers: LLM Router: Rethinking Routing with Prefill Activa…

200 papers

Large Language Models (LLMs) are traditionally viewed as black-box algorithms, therefore reducing trustworthiness and obscuring potential approaches to increasing performance on downstream tasks. In this work, we apply an effective LLM…

Computation and Language · Computer Science 2025-07-10 Shun Wang , Tyler Loakman , Youbo Lei , Yi Liu , Bohao Yang , Yuting Zhao , Dong Yang , Chenghua Lin

Large Language Models (LLMs) exhibit potential artificial generic intelligence recently, however, their usage is costly with high response latency. Given mixed LLMs with their own strengths and weaknesses, LLM routing aims to identify the…

Computation and Language · Computer Science 2025-02-27 Xinyuan Wang , Yanchi Liu , Wei Cheng , Xujiang Zhao , Zhengzhang Chen , Wenchao Yu , Yanjie Fu , Haifeng Chen

Learning high-quality text representations is fundamental to a wide range of NLP tasks. While encoder pretraining has traditionally relied on Masked Language Modeling (MLM), recent evidence suggests that decoder models pretrained with…

We study LLM routing, the problem of selecting the best model for each query while balancing user satisfaction, model expertise, and inference cost. We formulate routing as contextual dueling bandits, learning from pairwise preference…

Machine Learning · Computer Science 2025-10-02 Chao-Kai Chiang , Takashi Ishida , Masashi Sugiyama

Large language models (LLMs) demonstrate outstanding performance in various tasks in machine learning and have thus become one of the most important workloads in today's computing landscape. However, deploying LLM inference poses challenges…

Machine Learning · Computer Science 2024-06-21 Jungi Lee , Wonbeom Lee , Jaewoong Sim

The proliferation of Large Language Models (LLMs) with varying capabilities and costs has created a need for efficient model selection in AI systems. LLM routers address this need by dynamically choosing the most suitable model for a given…

Machine Learning · Computer Science 2024-10-30 Zesen Zhao , Shuowei Jin , Z. Morley Mao

Hybrid Language Models (HLMs) combine the low-latency efficiency of Small Language Models (SLMs) on edge devices with the high accuracy of Large Language Models (LLMs) on centralized servers. Unlike traditional end-to-end LLM inference,…

Machine Learning · Computer Science 2025-07-02 Faranaksadat Solat , Joohyung Lee , Mohamed Seif , Dusit Niyato , H. Vincent Poor

Large language model (LLM) inference at the network edge is a promising serving paradigm that leverages distributed edge resources to run inference near users and enhance privacy. Existing edge-based LLM inference systems typically adopt…

Systems and Control · Electrical Eng. & Systems 2025-10-14 Bingjie Zhu , Zhixiong Chen , Liqiang Zhao , Hyundong Shin , Arumugam Nallanathan

Despite the rapid evolution of training paradigms, the decoder backbone of large vision--language models (LVLMs) remains fundamentally rooted in the residual-connection Transformer architecture. Therefore, deciphering the distinct roles of…

Artificial Intelligence · Computer Science 2026-05-08 Gongli Xi , Ye Tian , Mengyu Yang , Huahui Yi , Liang Lin , Xiaoshuai Hao , Kun Wang , Wendong Wang

The availability of performant pre-trained models has led to a proliferation of fine-tuned expert models that are specialized to particular domains. This has enabled the creation of powerful and adaptive routing-based "Model MoErging"…

Machine Learning · Computer Science 2025-06-16 Pingzhi Li , Prateek Yadav , Jaehong Yoon , Jie Peng , Yi-Lin Sung , Mohit Bansal , Tianlong Chen

Pre-trained encoder-only and sequence-to-sequence (seq2seq) models each have advantages, however training both model types from scratch is computationally expensive. We explore recipes to improve pre-training efficiency by initializing one…

Computation and Language · Computer Science 2023-06-16 Saleh Soltan , Andy Rosenbaum , Tobias Falke , Qin Lu , Anna Rumshisky , Wael Hamza

Generative Large Language Models (LLMs) based on the Transformer architecture have recently emerged as a dominant foundation model for a wide range of Natural Language Processing tasks. Nevertheless, their application in real-time scenarios…

Computation and Language · Computer Science 2024-01-04 Coleman Hooper , Sehoon Kim , Hiva Mohammadzadeh , Hasan Genc , Kurt Keutzer , Amir Gholami , Sophia Shao

LLM agents achieve strong performance on complex reasoning tasks but incur high latency and compute cost. In practice, many queries fall within the capability boundary of cutting-edge LLMs and do not require full agent execution, making…

Computation and Language · Computer Science 2026-05-11 Yimin Wang , Jiahao Qiu , Xuan Qi , Xinzhe Juan , Jingzhe Shi , Zelin Zhao , Hongru Wang , Shilong Liu , Mengdi Wang

Large Language Models (LLMs) have shown promising results on various language and vision tasks. Recently, there has been growing interest in applying LLMs to graph-based tasks, particularly on Text-Attributed Graphs (TAGs). However, most…

Machine Learning · Computer Science 2024-06-10 Zhongmou He , Jing Zhu , Shengyi Qian , Joyce Chai , Danai Koutra

Tool-using LLM agents face a reliability-cost tradeoff: routing every decision through the LLM improves correctness but incurs high latency and inference cost, while pre-coded workflow graphs reduce cost but become brittle under…

Artificial Intelligence · Computer Science 2026-03-03 Neeraj Bholani

Conventional optimization-based metering depends on strict adherence to precomputed schedules, which limits the flexibility required for the stochastic operations of Advanced Air Mobility (AAM). In contrast, multi-agent reinforcement…

Robotics · Computer Science 2026-01-09 Arsyi Aziz , Peng Wei

Large language models (LLMs) and agent-based frameworks have advanced rapidly, enabling diverse applications. Yet, with the proliferation of models and agentic strategies, practitioners face substantial uncertainty in selecting the best…

Computation and Language · Computer Science 2025-10-08 Zheyuan Zhang , Kaiwen Shi , Zhengqing Yuan , Zehong Wang , Tianyi Ma , Keerthiram Murugesan , Vincent Galassi , Chuxu Zhang , Yanfang Ye

Large language models (LLMs) augmented with multi-step reasoning and action generation abilities have shown promise in leveraging external tools to tackle complex tasks that require long-horizon planning. However, existing approaches either…

Artificial Intelligence · Computer Science 2025-10-16 Wei Fan , Wenlin Yao , Zheng Li , Feng Yao , Xin Liu , Liang Qiu , Qingyu Yin , Yangqiu Song , Bing Yin

Full-duplex spoken dialogue requires a model to keep listening while generating its own spoken response. This is challenging for large language models (LLMs), which are designed to extend a single coherent sequence and do not naturally…

Computation and Language · Computer Science 2026-05-12 Hui Lu , Xueyuan Chen , Huimeng Wang , Shuhai Peng , Shiyin Kang , Xixin Wu , Zhiyong Wu

Large Language Models (LLMs) demonstrate exceptional reasoning abilities, enabling strong generalization across diverse tasks such as commonsense reasoning and instruction following. However, as LLMs scale, inference costs become…

Computation and Language · Computer Science 2025-02-06 Rhea Sanjay Sukthanker , Benedikt Staffler , Frank Hutter , Aaron Klein