中文
相关论文

相关论文: Multilevel communication optimal LU and QR factori…

200 篇论文

The beginning of the 21st century has seen many projects on distributed hash tables, both research and commercial. One of their aims has been to replace the first generation of file sharing software with scalable peer-to-peer architectures.…

分布式、并行与集群计算 · 计算机科学 2014-07-17 Kari Visala

We introduce the Hubs and Spokes Learning (HSL) framework, a novel paradigm for collaborative machine learning that combines the strengths of Federated Learning (FL) and Decentralized Learning (P2PL). HSL employs a two-tier communication…

机器学习 · 计算机科学 2025-04-30 Atul Sharma , Kavindu Herath , Saurabh Bagchi , Chaoyue Liu , Somali Chaterji

We present two new algorithms for Householder QR factorization of Block Low-Rank (BLR) matrices: one that performs block-column-wise QR, and another that is based on tiled QR. We show how the block-column-wise algorithm exploits BLR…

数值分析 · 数学 2022-08-15 M. Ridwan Apriansyah , Rio Yokota

This paper proposes a hierarchical approximate-factor approach to analyzing high-dimensional, large-scale heterogeneous time series data using distributed computing. The new method employs a multiple-fold dimension reduction procedure using…

统计方法学 · 统计学 2022-04-20 Zhaoxing Gao , Ruey S. Tsay

The fully connected conditional random field (CRF) with Gaussian pairwise potentials has proven popular and effective for multi-class semantic segmentation. While the energy of a dense CRF can be minimized accurately using a linear…

计算机视觉与模式识别 · 计算机科学 2017-02-15 Thalaiyasingam Ajanthan , Alban Desmaison , Rudy Bunel , Mathieu Salzmann , Philip H. S. Torr , M. Pawan Kumar

Communication overhead poses an important obstacle to distributed DNN training and draws increasing attention in recent years. Despite continuous efforts, prior solutions such as gradient compression/reduction, compute/communication…

分布式、并行与集群计算 · 计算机科学 2020-08-20 Hao Wang , Jingrong Chen , Xinchen Wan , Han Tian , Jiacheng Xia , Gaoxiong Zeng , Weiyan Wang , Kai Chen , Wei Bai , Junchen Jiang

This paper presents a novel hierarchical framework for portfolio optimization, integrating lightweight Large Language Models (LLMs) with Deep Reinforcement Learning (DRL) to combine sentiment signals from financial news with traditional…

投资组合管理 · 定量金融 2025-07-25 Benjamin Coriat , Eric Benhamou

With regard to the wider area of AI/LT platform interoperability, we concentrate on two core aspects: (1) cross-platform search and discovery of resources and services; (2) composition of cross-platform service workflows. We devise five…

Dense sub-graphs of sparse graphs (communities), which appear in most real-world complex networks, play an important role in many contexts. Most existing community detection algorithms produce a hierarchical structure of community and seek…

数据结构与算法 · 计算机科学 2021-01-13 Pascal Pons , Matthieu Latapy

Large Language Models (LLMs) and other large foundation models have achieved noteworthy success, but their size exacerbates existing resource consumption and latency challenges. In particular, the large-scale deployment of these models is…

机器学习 · 计算机科学 2023-08-30 Banghua Zhu , Ying Sheng , Lianmin Zheng , Clark Barrett , Michael I. Jordan , Jiantao Jiao

With the rapid development of Unmanned Aerial Vehicles (UAVs) and the increasing complexity of low-altitude security threats, traditional UAV identification methods struggle to extract reliable signal features and meet real-time…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Maoyu Wang , Yao Lu , Bo Zhou , Zhuangzhi Chen , Yun Lin , Qi Xuan , Guan Gui

Stochastic bilevel optimization finds widespread applications in machine learning, including meta-learning, hyperparameter optimization, and neural architecture search. To extend stochastic bilevel optimization to distributed data, several…

机器学习 · 计算机科学 2026-05-26 Yihan Zhang , My T. Thai , Jie Wu , Hongchang Gao

The QR algorithm is one of the three phases in the process of computing the eigenvalues and the eigenvectors of a dense nonsymmetric matrix. This paper describes a task-based QR algorithm for reducing an upper Hessenberg matrix to real…

数学软件 · 计算机科学 2021-12-17 Mirko Myllykoski

While federated learning (FL) improves the generalization of end-to-end autonomous driving by model aggregation, the conventional single-hop FL (SFL) suffers from slow convergence rate due to long-range communications among vehicles and…

机器人学 · 计算机科学 2024-05-09 Wei-Bin Kou , Shuai Wang , Guangxu Zhu , Bin Luo , Yingxian Chen , Derrick Wing Kwan Ng , Yik-Chung Wu

Humanoid robots must master numerous tasks with sparse rewards, posing a challenge for reinforcement learning (RL). We propose a method combining RL and automated planning to address this. Our approach uses short goal-conditioned policies…

人工智能 · 计算机科学 2025-01-06 Gavin B. Rens

Clustering algorithms are at the basis of several technological applications, and are fueling the development of rapidly evolving fields such as machine learning. In the recent past, however, it has become apparent that they face challenges…

To support emerging language-based applications using dispersed and heterogeneous computing resources, the hybrid language model (HLM) offers a promising architecture, where an on-device small language model (SLM) generates draft tokens…

分布式、并行与集群计算 · 计算机科学 2026-05-26 Seungeun Oh , Jinhyuk Kim , Jihong Park , Seung-Woo Ko , Jinho Choi , Tony Q. S. Quek , Seong-Lyun Kim

In recent years, decentralized bilevel optimization problems have received increasing attention in the networking and machine learning communities thanks to their versatility in modeling decentralized learning problems over peer-to-peer…

机器学习 · 计算机科学 2022-10-07 Zhuqing Liu , Xin Zhang , Prashant Khanduri , Songtao Lu , Jia Liu

The growth of Large Language Models (LLMs) has necessitated large-scale distributed training. Highly optimized frameworks, however, still suffer significant losses in Model FLOPS utilization (often below 50%) due to large communication…

分布式、并行与集群计算 · 计算机科学 2024-11-26 Haiquan Wang , Chaoyi Ruan , Jia He , Jiaqi Ruan , Chengjie Tang , Xiaosong Ma , Cheng Li

The latent class model is a widely used mixture model for multivariate discrete data. Besides the existence of qualitatively heterogeneous latent classes, real data often exhibit additional quantitative heterogeneity nested within each…

统计方法学 · 统计学 2025-01-23 Zhongyuan Lyu , Ling Chen , Yuqi Gu