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Multi-party computing (MPC) has been gaining popularity as a secure computing model over the past few years. However, prior works have demonstrated that MPC protocols still pay substantial performance penalties compared to plaintext,…

密码学与安全 · 计算机科学 2024-08-28 Yongqin Wang , Rachit Rajat , Murali Annavaram

This paper presents two different low-complexity methods for obtaining the secrecy capacity of multiple-input multiple-output (MIMO) wiretap channel subject to a sum power constraint (SPC). The challenges in deriving computationally…

信息论 · 计算机科学 2021-02-23 Anshu Mukherjee , Björn Ottersten , Le Nam Tran

In this paper, we extend the bilinear generalized approximate message passing (BiG-AMP) approach, originally proposed for high-dimensional generalized bilinear regression, to the multi-layer case for the handling of cascaded problem such as…

信息论 · 计算机科学 2021-09-08 Qiuyun Zou , Haochuan Zhang , Hongwen Yang

This paper presents novel numerical approaches to finding the secrecy capacity of the multiple-input multiple-output (MIMO) wiretap channel subject to multiple linear transmit covariance constraints, including sum power constraint, per…

信息论 · 计算机科学 2021-07-09 Anshu Mukherjee , Björn Ottersten , Le-Nam Tran

Semi-dense feature matching methods have shown strong performance in challenging scenarios. However, the existing pipeline relies on a global search across the entire feature map to establish coarse matches, limiting further improvements in…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Peiqi Chen , Lei Yu , Yi Wan , Yingying Pei , Xinyi Liu , Yongxiang Yao , Yingying Zhang , Lixiang Ru , Liheng Zhong , Jingdong Chen , Ming Yang , Yongjun Zhang

Krylov subspace methods are an essential building block in numerical simulation software. The efficient utilization of modern hardware is a challenging problem in the development of these methods. In this work, we develop Krylov subspace…

数值分析 · 数学 2021-04-07 Nils-Arne Dreier

The residual cutting (RC) method has been proposed as an outer-inner loop iteration for efficiently solving large and sparse linear systems of equations arising in solving numerically problems of elliptic partial differential equations.…

数值分析 · 数学 2026-03-23 Toshihiko Abe

New hardware can substantially increase the speed and efficiency of deep neural network training. To guide the development of future hardware architectures, it is pertinent to explore the hardware and machine learning properties of…

机器学习 · 计算机科学 2021-04-13 Atli Kosson , Vitaliy Chiley , Abhinav Venigalla , Joel Hestness , Urs Köster

We consider the problem of computing reachability probabilities: given a Markov chain, an initial state of the Markov chain, and a set of goal states of the Markov chain, what is the probability of reaching any of the goal states from the…

分布式、并行与集群计算 · 计算机科学 2012-10-25 Elise Cormie-Bowins

Graph Convolutional Networks (GCNs) is the state-of-the-art method for learning graph-structured data, and training large-scale GCNs requires distributed training across multiple accelerators such that each accelerator is able to hold a…

机器学习 · 计算机科学 2022-03-22 Cheng Wan , Youjie Li , Cameron R. Wolfe , Anastasios Kyrillidis , Nam Sung Kim , Yingyan Lin

Asynchronous tasks, when created with over-decomposition, enable automatic computation-communication overlap which can substantially improve performance and scalability. This is not only applicable to traditional CPU-based systems, but also…

分布式、并行与集群计算 · 计算机科学 2022-03-23 Jaemin Choi , David F. Richards , Laxmikant V. Kale

With the increased accuracy of modern computer vision technology, many access control systems are equipped with face recognition functions for faster identification. In order to maintain high recognition accuracy, it is necessary to keep…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Tsung-Han Kuo , Zhenge Jia , Tei-Wei Kuo , Jingtong Hu

Pipeline parallelism is widely used to scale the training of transformer-based large language models, various works have been done to improve its throughput and memory footprint. In this paper, we address a frequently overlooked issue: the…

分布式、并行与集群计算 · 计算机科学 2025-05-06 Man Tsung Yeung , Penghui Qi , Min Lin , Xinyi Wan

To reduce the long training time of large deep neural network (DNN) models, distributed synchronous stochastic gradient descent (S-SGD) is commonly used on a cluster of workers. However, the speedup brought by multiple workers is limited by…

机器学习 · 计算机科学 2020-03-03 Shaohuai Shi , Zhenheng Tang , Qiang Wang , Kaiyong Zhao , Xiaowen Chu

Ising machines are specialized computers for finding the lowest energy states of Ising spin models, onto which many practical combinatorial optimization problems can be mapped. Simulated bifurcation (SB) is a quantum-inspired parallelizable…

新兴技术 · 计算机科学 2024-03-15 Tomoya Kashimata , Masaya Yamasaki , Ryo Hidaka , Kosuke Tatsumura

Hierarchical Gaussian Process (H-GP) models divide problems into different subtasks, allowing for different models to address each part, making them well-suited for problems with inherent hierarchical structure. However, typical H-GP models…

机器学习 · 计算机科学 2025-08-20 Juan D. Guerra , Thomas Garbay , Guillaume Lajoie , Marco Bonizzato

Multi-product pipelines are a highly efficient means of transporting liquids. Traditionally used to transport petroleum, its products and derivatives, they are now being repurposed to transport liquified natural gas admixed with hydrogen of…

最优化与控制 · 数学 2023-12-19 Ales Wodecki , Pavel Rytir , Vyacheslav Kungurtsev , Jakub Marecek

The observed and expected continued growth in the number of nodes in large-scale parallel computers gives rise to two major challenges: global communication operations are becoming major bottlenecks due to their limited scalability, and the…

分布式、并行与集群计算 · 计算机科学 2020-02-03 Markus Levonyak , Christina Pacher , Wilfried N. Gansterer

In this work, we present a novel inner product design for stochastic computing. Stochastic computing is an emerging computing technique, that encodes a number in the probability of observing a one in a random bit stream. This leads to…

新兴技术 · 计算机科学 2018-11-21 Werner Haselmayr , Daniel Wiesinger , Michael Lunglmayr

Matrix factorization is a very common machine learning technique in recommender systems. Bayesian Matrix Factorization (BMF) algorithms would be attractive because of their ability to quantify uncertainty in their predictions and avoid…

机器学习 · 计算机科学 2020-04-15 Tom Vander Aa , Xiangju Qin , Paul Blomstedt , Roel Wuyts , Wilfried Verachtert , Samuel Kaski