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相关论文: Node-Aware Improvements to Allreduce

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This work aims to jointly optimize the coding and node selection to minimize the processing time for distributed computing tasks over wireless edge networks. Since the joint optimization problem formulation is NP-hard and nonlinear, we…

分布式、并行与集群计算 · 计算机科学 2021-06-11 Cong T. Nguyen , Diep N. Nguyen , Dinh Thai Hoang , Hoang-Anh Pham , Eryk Dutkiewicz

Massive machine type communication (mMTC) has attracted new coding schemes optimized for reliable short message transmission. In this paper, a novel deep learning-based near-orthogonal superposition (NOS) coding scheme is proposed to…

信息论 · 计算机科学 2022-07-01 Chenghong Bian , Chin-Wei Hsu , Changwoo Lee , Hun-Seok Kim

In this paper, we study resource allocation algorithm design for power efficient secure communication with simultaneous wireless information and power transfer (WIPT) in multiuser communication systems. In particular, we focus on power…

信息论 · 计算机科学 2014-02-25 Shiyang Leng , Derrick Wing Kwan Ng , Robert Schober

We enhance coarsely quantized LDPC decoding by reusing computed check node messages from previous iterations. Typically, variable and check nodes update and replace old messages every iteration. We show that, under coarse quantization,…

信息论 · 计算机科学 2025-01-22 Philipp Mohr , Gerhard Bauch

With the increasing number of Quad-Core-based clusters and the introduction of compute nodes designed with large memory capacity shared by multiple cores, new problems related to scalability arise. In this paper, we analyze the overall…

分布式、并行与集群计算 · 计算机科学 2011-08-17 Abdelgadir Tageldin Abdelgadir , Al-Sakib Khan Pathan , Mohiuddin Ahmed

Several high-throughput distributed data-processing applications require multi-hop processing of streams of data. These applications include continual processing on data streams originating from a network of sensors, composing a multimedia…

分布式、并行与集群计算 · 计算机科学 2009-03-26 Shah Asaduzzaman , Muthucumaru Maheswaran

Distributed storage systems provide large-scale reliable data storage services by spreading redundancy across a large group of storage nodes. In such a large system, node failures take place on a regular basis. When a storage node breaks…

分布式、并行与集群计算 · 计算机科学 2016-03-17 Yan Wang , Xunrui Yin , Dongsheng Wei , Xin Wang , Yucheng He

This paper considers optimization over multiple renewal systems coupled by time average constraints. These systems act asynchronously over variable length frames. For each system, at the beginning of each renewal frame, it chooses an action…

最优化与控制 · 数学 2018-05-23 Xiaohan Wei , Michael J. Neely

In this paper, we evaluate the efficacy, in a Hadoop setting, of two coding schemes, both possessing an inherent double replication of data. The two coding schemes belong to the class of regenerating and locally regenerating codes…

Optical circuit-switched networks have emerged as an appealing alternative to electrical fabrics as they can reconfigure the network topology at runtime, reducing communication cost and improving bandwidth utilization. Yet exploiting…

网络与互联网体系结构 · 计算机科学 2026-05-14 Anton Juerss , Stefan Schmid

In this work we address the question of efficiency of distributed computing in anonymous, congested and highly dynamic and not-always-connected networks/systems. More precisely, the system consists of an unknown number of anonymous nodes…

分布式、并行与集群计算 · 计算机科学 2022-02-16 Dariusz R. Kowalski , Miguel A. Mosteiro

Massive multiple-input multiple-output (mMIMO) regime reaps the benefits of spatial diversity and multiplexing gains, subject to precise channel state information (CSI) acquisition. In the current communication architecture, the downlink…

信息论 · 计算机科学 2022-08-26 Muhammad Karam Shehzad , Luca Rose , Stefan Wesemann , Mohamad Assaad , Syed Ali Hassan

We consider the rack-aware storage system where $n=\bar{n}u$ nodes are organized in $\bar{n}$ racks each containing $u$ nodes, and any $k=\bar{k}u+u_0~(0\leq u_0<u)$ nodes can retrieve the original data file. More importantly, the…

信息论 · 计算机科学 2021-03-30 Liyang Zhou , Zhifang Zhang

In this paper different optimization of Ad-hoc routing algorithm is surveyed and a new method using training based optimization algorithm for reducing the complexity of routing algorithms is suggested. A binary matrix is assigned to each…

网络与互联网体系结构 · 计算机科学 2012-06-11 Sarvesh Kumar Sharma

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize the total energy consumption of all users including transmission energy and local computation…

信号处理 · 电气工程与系统科学 2019-02-18 Zhaohui Yang , Jiancao Hou , Mohammad Shikh-Bahaei

Distributed computing frameworks such as MapReduce are often used to process large computational jobs. They operate by partitioning each job into smaller tasks executed on different servers. The servers also need to exchange intermediate…

分布式、并行与集群计算 · 计算机科学 2020-04-20 Konstantinos Konstantinidis , Aditya Ramamoorthy

Approximate message passing (AMP) is an algorithmic framework for solving linear inverse problems from noisy measurements, with exciting applications such as reconstructing images, audio, hyper spectral images, and various other signals,…

信息论 · 计算机科学 2017-02-13 Junan Zhu , Ryan Pilgrim , Dror Baron

We consider distributed algorithms for data aggregation and function computation in sensor networks. The algorithms perform pairwise computations along edges of an underlying communication graph. A token is associated with each sensor node,…

网络与互联网体系结构 · 计算机科学 2015-03-19 Venkatesh Saligrama , Murat Alanyali

To process a large volume of data, modern data management systems use a collection of machines connected through a network. This paper looks into the feasibility of scaling up such a shared-nothing system while processing a compute- and…

数据库 · 计算机科学 2018-04-26 Abhirup Chakraborty

We consider a multicast scenario involving an ad hoc network of co-channel MIMO nodes in which a source node attempts to share a streaming message with all nodes in the network via some pre-defined multi-hop routing tree. The message is…

信息论 · 计算机科学 2012-01-04 Feng Jiang , Jianqi Wang , A. Lee Swindlehurst