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Robust optimization (RO) provides a principled framework for decision-making under uncertainty, but its practical use is often limited by the need to manually reformulate uncertain optimization models into tractable deterministic…

人工智能 · 计算机科学 2026-05-13 Jinbiao Chen , Shuang Jin , Guoyun Zhang , Junyu Zhang , Guanyi Wang , Hanzhang Qin

Cache replacement remains a challenging problem in CPU microarchitecture, often addressed using hand-crafted heuristics, limiting cache performance. Cache data analysis requires parsing millions of trace entries with manual filtering,…

硬件体系结构 · 计算机科学 2026-02-16 Kaushal Mhapsekar , Azam Ghanbari , Bita Aslrousta , Samira Mirbagher-Ajorpaz

Large language model (LLM) agents achieve impressive single-task performance but commonly exhibit repeated failures, inefficient exploration, and limited cross-task adaptability. Existing reflective strategies (e.g., Reflexion, ReAct)…

人工智能 · 计算机科学 2025-09-09 Chunlong Wu , Ye Luo , Zhibo Qu , Min Wang

Processing long contexts presents a significant challenge for large language models (LLMs). While recent advancements allow LLMs to handle much longer contexts than before (e.g., 32K or 128K tokens), it is computationally expensive and can…

计算与语言 · 计算机科学 2025-04-10 Hongjin Qian , Zheng Liu , Peitian Zhang , Kelong Mao , Defu Lian , Zhicheng Dou , Tiejun Huang

Fine-grained Mixture-of-Experts (MoE) models sparsely activate only a subset of experts per token, reducing activated computation while maintaining high model capacity. However, in memory-constrained inference scenarios, only a small set of…

机器学习 · 计算机科学 2026-05-27 Xiongwei Zhu , Xiaojian Liao , Tianyang Jiang , Yusen Zhang , Liang Wang , Limin Xiao

We present cuRAMSES, a suite of advanced domain decomposition strategies and algorithmic optimizations for the ramses adaptive mesh refinement (AMR) code, designed to overcome the communication, memory, and solver bottlenecks inherent in…

星系天体物理 · 物理学 2026-04-08 Juhan Kim

A tight lower bound for required I/O when computing an ordinary matrix-matrix multiplication on a processor with two layers of memory is established. Prior work obtained weaker lower bounds by reasoning about the number of segments needed…

计算复杂性 · 计算机科学 2019-02-07 Tyler Michael Smith , Bradley Lowery , Julien Langou , Robert A. van de Geijn

We study an active cluster recovery problem where, given a set of $n$ points and an oracle answering queries like "are these two points in the same cluster?", the task is to recover exactly all clusters using as few queries as possible. We…

机器学习 · 计算机科学 2021-06-10 Marco Bressan , Nicolò Cesa-Bianchi , Silvio Lattanzi , Andrea Paudice

Memory systems often organize user-agent interactions as retrievable external memory and are crucial for long-running agents by overcoming the limited context windows of LLMs. However, existing memory systems invoke LLMs to process every…

计算与语言 · 计算机科学 2026-05-18 Zijie Dai , Shiyuan Deng , Sheng Guan , Yizhou Tian , Xin Yao , Xiao Yan , James Cheng

The Random Batch Method (RBM) is an effective technique to reduce the computational complexity when solving certain stochastic differential problems (SDEs) involving interacting particles. It can transform the computational complexity from…

数值分析 · 数学 2024-12-23 Yanshun Zhao , Jingrun Chen , Zhiwen Zhang

The performance of the reward model (RM) is a critical factor in improving the effectiveness of the large language model (LLM) during alignment fine-tuning. There remain two challenges in RM training: 1) training the same RM using various…

计算与语言 · 计算机科学 2024-04-30 Shanghaoran Quan

Chinese Remainder Theorem (CRT) is a powerful approach to solve ambiguity resolution related problems such as undersampling frequency estimation and phase unwrapping which are widely applied in localization. Recently, the deterministic…

信息论 · 计算机科学 2018-07-03 Hanshen Xiao , Guoqiang Xiao

Mixture-of-Experts (MoE) large language models (LLMs) are among the top-performing architectures. The largest models, often with hundreds of billions of parameters, pose significant memory challenges for deployment. Traditional approaches…

人工智能 · 计算机科学 2026-04-07 Saurav Jha , Maryam Hashemzadeh , Ali Saheb Pasand , Ali Parviz , Min-Joong Lee , Boris Knyazev

New soft- and hard decision decoding algorithms are presented for general Reed-Muller codes $\left\{\genfrac{}{}{0pt}{}{m}{r}\right\} $ of length $2^{m}$ and distance $2^{m-r}$. We use Plotkin $(u,u+v)$ construction and decompose code…

信息论 · 计算机科学 2017-03-17 Ilya Dumer

Although the Retrieval-Augmented Generation (RAG) paradigms can use external knowledge to enhance and ground the outputs of Large Language Models (LLMs) to mitigate generative hallucinations and static knowledge base problems, they still…

计算与语言 · 计算机科学 2024-05-24 Diji Yang , Jinmeng Rao , Kezhen Chen , Xiaoyuan Guo , Yawen Zhang , Jie Yang , Yi Zhang

Resource scheduling and allocation is a critical component of many high impact systems ranging from congestion control to cloud computing. Finding more optimal solutions to these problems often has significant impact on resource and time…

Recently, there has been interest in multiplicative recurrent neural networks for language modeling. Indeed, simple Recurrent Neural Networks (RNNs) encounter difficulties recovering from past mistakes when generating sequences due to high…

机器学习 · 计算机科学 2019-07-02 Diego Maupomé , Marie-Jean Meurs

Fault tolerance is a major concern in distributed computational settings. In the classic master-worker setting, a server (the master) needs to perform some heavy computation which it may distribute to $m$ other machines (workers) in order…

分布式、并行与集群计算 · 计算机科学 2024-10-30 Keren Censor-Hillel , Yuka Machino , Pedro Soto

By modeling the uncertainty of spinning reserves provided by energy storage with probabilistic constraints, a new optimal scheduling mode is proposed for minimizing the operating costs of an isolated microgrid (MG) by using…

信号处理 · 电气工程与系统科学 2018-10-04 Yang Li , Zhen Yang , Guoqing Li , Dongbo Zhao , Wei Tian

We study a cache network in which intermediate nodes equipped with caches can serve requests. We model the problem of jointly optimizing caching and routing decisions with link capacity constraints over an arbitrary network topology. This…

网络与互联网体系结构 · 计算机科学 2023-02-07 Yuanyuan Li , Yuchao Zhang , Stratis Ioannidis , Jon Crowcroft