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Large Language Models (LLMs) have revolutionized code generation but require significant resources and often over-generalize, limiting their task-specific efficiency. Fine-tuning smaller, open-source LLMs provides a cost-effective…

Computation and Language · Computer Science 2025-06-27 Leitian Tao , Xiang Chen , Tong Yu , Tung Mai , Ryan Rossi , Yixuan Li , Saayan Mitra

As Large Language Models (LLMs) continue to evolve, practitioners face increasing options for enhancing inference-time performance without model retraining, including budget tuning and multi-step techniques like self-reflection. While these…

Machine Learning · Statistics 2025-10-24 Jack Butler , Nikita Kozodoi , Zainab Afolabi , Brian Tyacke , Gaiar Baimuratov

The rapidly growing number and variety of Large Language Models (LLMs) present significant challenges in efficiently selecting the appropriate LLM for a given query, especially considering the trade-offs between performance and…

Artificial Intelligence · Computer Science 2025-03-18 Tao Feng , Yanzhen Shen , Jiaxuan You

Recent advances in Large Language Models (LLMs) - particularly model scaling and test-time techniques - have greatly enhanced the reasoning capabilities of language models at the expense of higher inference costs. To lower inference costs,…

Computation and Language · Computer Science 2025-11-21 Sangmook Lee , Dohyung Kim , Hyukhun Koh , Nakyeong Yang , Kyomin Jung

Recent advances in fine-tuning large language models (LLMs) have greatly enhanced their usage in domain-specific tasks. Despite the success, fine-tuning continues to rely on repeated and lengthy prompts, which escalate computational…

Computation and Language · Computer Science 2024-10-17 Jiaru Zou , Mengyu Zhou , Tao Li , Shi Han , Dongmei Zhang

The effectiveness of large language models (LLMs) is closely tied to the design of prompts, making prompt optimization essential for enhancing their performance across a wide range of tasks. Many existing approaches to automating prompt…

Computation and Language · Computer Science 2025-04-08 Sarkar Snigdha Sarathi Das , Ryo Kamoi , Bo Pang , Yusen Zhang , Caiming Xiong , Rui Zhang

Context: The rapid evolution of Large Language Models (LLMs) has sparked significant interest in leveraging their capabilities for automating code review processes. Prior studies often focus on developing LLMs for code review automation,…

Software Engineering · Computer Science 2024-06-18 Chanathip Pornprasit , Chakkrit Tantithamthavorn

Large language models (LLMs) have achieved remarkable multi-step reasoning capabilities across various domains. However, LLMs still face distinct challenges in complex logical reasoning, as (1) proof-finding requires systematic exploration…

Computation and Language · Computer Science 2025-09-16 Kang He , Kaushik Roy

Accurate and fast performance prediction for dataflow-based accelerators is vital for efficient hardware design and design space exploration, yet existing methods struggle to generalize across architectures, applications, and…

Hardware Architecture · Computer Science 2025-08-26 Kaiyan Chang , Wenlong Zhu , Shengwen Liang , Huawei Li , Ying Wang

Open-weight large language model (LLM) zoos provide access to numerous high-quality models, but selecting the appropriate model for specific tasks remains challenging and requires technical expertise. Most users simply want factually…

Machine Learning · Computer Science 2025-10-27 Herbert Woisetschläger , Ryan Zhang , Shiqiang Wang , Hans-Arno Jacobsen

We study the problem of optimizing Large Language Model (LLM) inference scheduling to minimize total latency. LLM inference is an online and multi-task service process and also heavily energy consuming by which a pre-trained LLM processes…

Machine Learning · Computer Science 2025-09-03 Zixi Chen , Yinyu Ye , Zijie Zhou

Large Language Models (LLMs) typically generate outputs token by token using a fixed compute budget, leading to inefficient resource utilization. To address this shortcoming, recent advancements in mixture of expert (MoE) models,…

Vision-Language Large Models (VLMs) have become primary backbone of AI, due to the impressive performance. However, their expensive computation costs, i.e., throughput and delay, impede potentials in real-world scenarios. To achieve…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Chen Ju , Haicheng Wang , Zeqian Li , Xu Chen , Zhonghua Zhai , Weilin Huang , Shuai Xiao

Large language models (LLMs) exhibit strong reasoning capabilities but typically require expensive post-training to reach high performance. Recent test-time alignment methods offer a lightweight alternative, but have been explored mainly…

Computation and Language · Computer Science 2026-03-20 Arushi Rai , Qiang Zhang , Hanqing Zeng , Yunkai Zhang , Dipesh Tamboli , Xiangjun Fan , Zhuokai Zhao , Lizhu Zhang

LLM routing aims to select the most appropriate model for each query, balancing competing performance metrics such as accuracy and cost across a pool of language models. Prior approaches typically adopt a decoupled strategy, where the…

Artificial Intelligence · Computer Science 2026-01-05 Asterios Tsiourvas , Wei Sun , Georgia Perakis

The rapid advancement of Large Language Models (LLMs) in the realm of mathematical reasoning necessitates comprehensive evaluations to gauge progress and inspire future directions. Existing assessments predominantly focus on problem-solving…

Computation and Language · Computer Science 2024-06-05 Xiaoyuan Li , Wenjie Wang , Moxin Li , Junrong Guo , Yang Zhang , Fuli Feng

Scaling model size and training data has led to great advances in the performance of Large Language Models (LLMs). However, the diminishing returns of this approach necessitate alternative methods to improve model capabilities, particularly…

Machine Learning · Computer Science 2025-11-05 Daman Arora , Andrea Zanette

Large Language Models (LLMs) deliver state-of-the-art performance on complex reasoning tasks, but their inference costs limit deployment at scale. Small Language Models (SLMs) offer dramatic cost savings yet lag substantially in accuracy.…

Machine Learning · Computer Science 2026-01-30 Ziming Dong , Hardik Sharma , Evan O'Toole , Jaya Prakash Champati , Kui Wu

Selecting the appropriate model at inference time -- the routing problem -- requires jointly optimizing output quality, cost, latency, and governance constraints. Existing approaches delegate this decision to LLM-based classifiers or…

Networking and Internet Architecture · Computer Science 2026-04-06 Warren Johnson , Charles Lee

Large Language Models (LLMs) have become widely used across various domains spanning search engines, code generation, and text creation. However, a major concern associated with their adoption is the high cost of inference, impacting both…

Computation and Language · Computer Science 2026-04-28 Marta Adamska , Daria Smirnova , Hamid Nasiri , Zhengxin Yu , Peter Garraghan