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Scaling large models requires optimization strategies that ensure rapid convergence grounded in stability. Maximal Update Parametrization ($\boldsymbol{\mu}$P) provides a theoretical safeguard for width-invariant $\Theta(1)$ activation…

Machine Learning · Computer Science 2026-03-06 Tian Xie , Haoming Luo , Haoyu Tang , Yiwen Hu , Jason Klein Liu , Qingnan Ren , Yang Wang , Wayne Xin Zhao , Rui Yan , Bing Su , Chong Luo , Baining Guo

Large language model (LLM) serving is fundamentally limited by inefficient hardware utilization. Autoregressive (AR) decoding underutilizes GPUs due to its strictly sequential execution, while diffusion LLMs (DLLMs) improve throughput by…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Chiyue Wei , Cong Guo , Bowen Duan , Junyao Zhang , Haoxuan Shan , Yifei Wang , Yangjie Zhou , Hai "Helen" Li , Danyang Zhuo , Yiran Chen

RL post-training for LLMs has been widely scaled to enhance reasoning and tool-using capabilities. However, RL post-training interleaves training and inference workloads, exposing the system to faults from both sides. Existing fault…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-30 Zhenqian Chen , Baoquan Zhong , Xiang Li , Qing Dai , Xinkui Zhao , Miao Ye , Ren Cheng , Lufei Zhang , Jianwei Yin

LLMs now tackle a wide range of software-related tasks, yet we show that their performance varies markedly both across and within these tasks. Routing user queries to the appropriate LLMs can therefore help improve response quality while…

Software Engineering · Computer Science 2025-11-13 Adam Štorek , Vikas Upadhyay , Marianne Menglin Liu , Daniel W. Peterson , Anshul Mittal , Sujeeth Bharadwaj , Fahad Shah , Dan Roth

Low Earth orbit (LEO) mega-constellations greatly extend the coverage and resilience of future wireless systems. Within the mega-constellations, laser inter-satellite links (LISLs) enable high-capacity, long-range connectivity. Existing…

Signal Processing · Electrical Eng. & Systems 2026-01-30 Zhouyou Gu , Jihong Park , Jinho Choi

Sampling-based motion planning has emerged as a powerful approach for robotics, enabling exploration of complex, high-dimensional configuration spaces. When combined with Signal Temporal Logic (STL), a temporal logic widely used for…

Robotics · Computer Science 2026-02-20 Ahmad Ahmad , Shuo Liu , Roberto Tron , Calin Belta

Log-Structured Merge trees (LSM trees) are increasingly used as the storage engines behind several data systems, frequently deployed in the cloud. Similar to other database architectures, LSM trees take into account information about the…

Databases · Computer Science 2021-11-04 Andy Huynh , Harshal A. Chaudhari , Evimaria Terzi , Manos Athanassoulis

Existing benchmarks for large language models (LLMs) increasingly struggle to differentiate between top-performing models, underscoring the need for more challenging evaluation frameworks. We introduce MMLU-Pro+, an enhanced benchmark…

Computation and Language · Computer Science 2024-10-17 Saeid Asgari Taghanaki , Aliasgahr Khani , Amir Khasahmadi

Modern large-scale computing systems distribute jobs into multiple smaller tasks which execute in parallel to accelerate job completion rates and reduce energy consumption. However, a common performance problem in such systems is dealing…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-11-22 Shreshth Tuli , Sukhpal Singh Gill , Peter Garraghan , Rajkumar Buyya , Giuliano Casale , Nicholas R. Jennings

Enhancing model robustness under new and even adversarial environments is a crucial milestone toward building trustworthy machine learning systems. Current robust training methods such as adversarial training explicitly uses an "attack"…

Machine Learning · Computer Science 2020-12-23 Minhao Cheng , Pin-Yu Chen , Sijia Liu , Shiyu Chang , Cho-Jui Hsieh , Payel Das

Large Language Models (LLMs) are increasingly deployed in various applications. As their usage grows, concerns regarding their safety are rising, especially in maintaining harmless responses when faced with malicious instructions. Many…

Computation and Language · Computer Science 2024-05-24 Yanrui Du , Sendong Zhao , Danyang Zhao , Ming Ma , Yuhan Chen , Liangyu Huo , Qing Yang , Dongliang Xu , Bing Qin

Multi-task learning (MTL) seeks to improve the generalized performance of learning specific tasks, exploiting useful information incorporated in related tasks. As a promising area, this paper studies an MTL-based control approach…

Systems and Control · Electrical Eng. & Systems 2024-08-01 Andres Arias , Chuangchuang Sun

Large language model (LLM) routing assigns each query to the most suitable model from an ensemble. We introduce LLMRouterBench, a large-scale benchmark and unified framework for LLM routing. It comprises over 400K instances from 21 datasets…

Artificial Intelligence · Computer Science 2026-01-13 Hao Li , Yiqun Zhang , Zhaoyan Guo , Chenxu Wang , Shengji Tang , Qiaosheng Zhang , Yang Chen , Biqing Qi , Peng Ye , Lei Bai , Zhen Wang , Shuyue Hu

Recent voice assistants are usually based on the cascade spoken language understanding (SLU) solution, which consists of an automatic speech recognition (ASR) engine and a natural language understanding (NLU) system. Because such approach…

Computation and Language · Computer Science 2023-06-14 Anderson R. Avila , Mehdi Rezagholizadeh , Chao Xing

Mesoscale IoT applications, such as P2P energy trade and real-time industrial control systems, demand high throughput and low latency, with a secondary emphasis on energy efficiency as they rely on grid power or large-capacity batteries.…

Networking and Internet Architecture · Computer Science 2025-02-07 Jothi Prasanna Shanmuga Sundaram , Magzhan Gabidolla , Miguel A. Carreira-Perpinan , Alberto E. Cerpa

The incessant advent of online services demands high speed and efficient recommender systems (ReS) that can maintain real-time performance along with processing very complex user-item interactions. The present study, therefore, considers…

Machine Learning · Computer Science 2025-07-03 Yushang Zhao , Haotian Lyu , Yike Peng , Aijia Sun , Feng Jiang , Xinyue Han

In this paper, we investigate a hybrid scheme that combines nonlinear model predictive control (MPC) and model-based reinforcement learning (RL) for navigation planning of an autonomous model car across offroad, unstructured terrains…

Robotics · Computer Science 2023-10-03 Faraz Lotfi , Khalil Virji , Farnoosh Faraji , Lucas Berry , Andrew Holliday , David Meger , Gregory Dudek

This paper presents Learning-based Autonomous Guidance with RObustness and Stability guarantees (LAG-ROS), which provides machine learning-based nonlinear motion planners with formal robustness and stability guarantees, by designing a…

Robotics · Computer Science 2021-10-05 Hiroyasu Tsukamoto , Soon-Jo Chung

With the rapid growth of Large Language Models (LLMs) across various domains, numerous new LLMs have emerged, each possessing domain-specific expertise. This proliferation has highlighted the need for quick, high-quality, and cost-effective…

Artificial Intelligence · Computer Science 2024-10-25 Dimitris Stripelis , Zijian Hu , Jipeng Zhang , Zhaozhuo Xu , Alay Dilipbhai Shah , Han Jin , Yuhang Yao , Salman Avestimehr , Chaoyang He

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