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With the advent of era of Big Data and Internet of Things, there has been an exponential increase in the availability of large data sets. These data sets require in-depth analysis that provides intelligence for improvements in methods for…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-11 Alvaro Tzul

In this paper, we propose a systematic solution to the problem of cross-layer optimization for delay-sensitive media transmission over time-varying wireless channels as well as investigate the structures and properties of this solution,…

Multimedia · Computer Science 2009-05-27 Fangwen Fu , Mihaela van der Schaar

2.5D integration is an important technique to tackle the growing cost of manufacturing chips in advanced technology nodes. This poses the challenge of providing high-performance inter-chiplet interconnects (ICIs). As the number of chiplets…

Hardware Architecture · Computer Science 2023-10-10 Patrick Iff , Maciej Besta , Matheus Cavalcante , Tim Fischer , Luca Benini , Torsten Hoefler

Stacked intelligent metasurface (SIM) is an emerging design that consists of multiple layers of metasurfaces. A SIM enables holographic multiple-input multiple-output (HMIMO) precoding in the wave domain, which results in the reduction of…

Algebraic multigrid (AMG) is conventionally applied in a black-box fashion, agnostic to the underlying geometry. In this work, we propose that using geometric information -- when available -- to assist with setting up the AMG hierarchy is…

Numerical Analysis · Mathematics 2025-12-18 Songzhe Xu , Majid Rasouli , Robert M. Kirby , David Moxey , Hari Sundar

We present an adaptive multigrid Dirac solver developed for Wilson clover fermions which offers order-of-magnitude reductions in solution time compared to conventional Krylov solvers. The solver incorporates even-odd preconditioning and…

High Energy Physics - Lattice · Physics 2011-05-25 J. C. Osborn , R. Babich , J. Brannick , R. C. Brower , M. A. Clark , S. D. Cohen , C. Rebbi

Integrating renewable energy into the power grid while balancing supply and demand is a complex issue, given its intermittent nature. Demand side management (DSM) offers solutions to this challenge. We propose a new method for DSM, in…

Optimization and Control · Mathematics 2023-05-26 Bianca Marin Moreno , Margaux Brégère , Pierre Gaillard , Nadia Oudjane

We consider symmetric positive definite systems of linear equations with multiple right-hand sides. The seed conjugate gradient method solves one right-hand side with the conjugate gradient method and simultaneously projects over the Krylov…

Mathematical Physics · Physics 2014-08-27 Abdou M. Abdel-Rehim , Ronald B. Morgan , Walter Wilcox

We introduce a novel Unsmoothed Aggregation (UA) Algebraic Multigrid (AMG) method combined with Preconditioned Conjugate Gradient (PCG) to overcome the limitations of Extended Position-Based Dynamics (XPBD) in high-resolution and…

Graphics · Computer Science 2025-05-20 Chunlei Li , Peng Yu , Tiantian Liu , Siyuan Yu , Yuting Xiao , Shuai Li , Aimin Hao , Yang Gao , Qinping Zhao

We introduce a family of numerical algorithms for the solution of linear system in higher dimensions with the matrix and right hand side given and the solution sought in the tensor train format. The proposed methods are rank--adaptive and…

Numerical Analysis · Mathematics 2014-10-07 Sergey V. Dolgov , Dmitry V. Savostyanov

This paper presents Multi-Amdahl, a resource allocation analytical tool for heterogeneous systems. Our model includes multiple program execution segments, where each one is accelerated by a specific hardware unit. The acceleration speedup…

Hardware Architecture · Computer Science 2011-05-17 Tsahee Zidenberg , Isaac Keslassy , Uri Weiser

Optimization techniques for decreasing the time and area of adder circuits have been extensively studied for years mostly in binary logic system. In this paper, we provide the necessary equations required to design a full adder in…

Hardware Architecture · Computer Science 2010-09-15 Anindya Das , Ifat Jahangir , Masud Hasan

There are different MV grid concepts with regard to mode of operation and protection system layout. The increasing installation of DG raises the question if the currently used concepts are still optimal for future power systems. We present…

Computational Engineering, Finance, and Science · Computer Science 2018-02-06 Leon Thurner , Alexander Scheidler , Alexander Probst , Martin Braun

In this paper, an efficient divide-and-conquer (DC) algorithm is proposed for the symmetric tridiagonal matrices based on ScaLAPACK and the hierarchically semiseparable (HSS) matrices. HSS is an important type of rank-structured…

Mathematical Software · Computer Science 2016-12-27 Shengguo Li , Francois-Henry Rouet , Jie Liu , Chun Huang , Xingyu Gao , Xuebin Chi

The stacked intelligent metasurface (SIM) emerges as an innovative technology with the ability to directly manipulate electromagnetic (EM) wave signals, drawing parallels to the operational principles of artificial neural networks (ANN).…

Signal Processing · Electrical Eng. & Systems 2025-09-26 Xiaolei Yang , Jiayi Zhang , Enyu Shi , Ziheng Liu , Jun Liu , Kang Zheng , Bo Ai

We consider the decentralized stochastic asynchronous optimization setup, where many workers asynchronously calculate stochastic gradients and asynchronously communicate with each other using edges in a multigraph. For both homogeneous and…

Optimization and Control · Mathematics 2024-11-05 Alexander Tyurin , Peter Richtárik

As mobile edge computing (MEC) finds widespread use for relieving the computational burden of compute- and interaction-intensive applications on end user devices, understanding the resulting delay and cost performance is drawing significant…

Networking and Internet Architecture · Computer Science 2022-04-21 Yang Cai , Jaime Llorca , Antonia M. Tulino , Andreas F. Molisch

Recent trends suggest that cognitive radio based wireless networks will be frequency agile and the nodes will be equipped with multiple radios capable of tuning across large swaths of spectrum. The MAC scheduling problem in such networks…

Networking and Internet Architecture · Computer Science 2016-11-17 Avhishek Chatterjee , Supratim Deb , Kanthi Nagaraj , Vikram Srinivasan

Matrix Factorization (MF) has been widely applied in machine learning and data mining. A large number of algorithms have been studied to factorize matrices. Among them, stochastic gradient descent (SGD) is a commonly used method.…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-30 Yuanhang Yu , Dong Wen , Ying Zhang , Xiaoyang Wang , Wenjie Zhang , Xuemin Lin

Massive multi-user (MU) multiple-input multiple-output (MIMO) provides high spectral efficiency by means of spatial multiplexing and fine-grained beamforming. However, conventional base-station (BS) architectures for systems with hundreds…

Information Theory · Computer Science 2019-12-17 Kaipeng Li , James McNaney , Chance Tarver , Oscar Castañeda , Charles Jeon , Joseph R. Cavallaro , Christoph Studer
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