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In this paper, we consider an approach to the parallelizing of the algorithms realizing the modified probability changigng method with adaptation and partial rollback procedure for constrained pseudo-Boolean optimization problems. Existing…

分布式、并行与集群计算 · 计算机科学 2012-09-03 Lev Kazakovtsev

The processor accelerators are effective because they are working not (completely) on principles of stored program computers. They use some kind of parallelism, and it is rather hard to program them effectively: a parallel architecture by…

分布式、并行与集群计算 · 计算机科学 2016-08-26 János Végh

Dualization is a key discrete enumeration problem. It is not known whether or not this problem is polynomial-time solvable. Asymptotically optimal dualization algorithms are the fastest among the known dualization algorithms, which is…

离散数学 · 计算机科学 2016-06-01 Elena V. Djukova , Andrey G. Nikiforov , Petr A. Prokofyev

We describe ASAGA, an asynchronous parallel version of the incremental gradient algorithm SAGA that enjoys fast linear convergence rates. Through a novel perspective, we revisit and clarify a subtle but important technical issue present in…

最优化与控制 · 数学 2017-11-09 Rémi Leblond , Fabian Pedregosa , Simon Lacoste-Julien

Recently, task-based programming models have emerged as a prominent alternative among shared-memory parallel programming paradigms. Inherently asynchronous, these models provide native support for dynamic load balancing and incorporate data…

分布式、并行与集群计算 · 计算机科学 2021-09-01 Nicolas Guidotti , Pedro Ceyrat , João Barreto , José Monteiro , Rodrigo Rodrigues , Ricardo Fonseca , Xavier Martorell , Antonio J. Peña

Simulating a cellular automaton (CA) for t time-steps into the future requires t^2 serial computation steps or t parallel ones. However, certain CAs based on an Abelian group, such as addition mod 2, are termed ``linear'' because they obey…

adap-org · 物理学 2009-10-30 Cristopher Moore

Cellular Automata(CA) is a discrete computing model which provides simple, flexible and efficient platform for simulating complicated systems and performing complex computation based on the neighborhoods information. CA consists of two…

分布式、并行与集群计算 · 计算机科学 2011-12-12 Debasis Das , Rajiv Misra

We present an algorithm for cluster dynamics to efficiently simulate large systems on MIMD parallel computers with large numbers of processors. The method divides physical space into rectangular cells which are assigned to processors and…

高能物理 - 格点 · 物理学 2009-10-22 Mike Flanigan , Pablo Tamayo

The growth of connected intelligent devices in the Internet of Things has created a pressing need for real-time processing and understanding of large volumes of analogue data. The difficulty in boosting the computing speed renders digital…

The firing squad synchronization problem (FSSP) on cellular automata has been studied extensively for more than forty years, and a rich variety of synchronization algorithms have been proposed for not only one-dimensional arrays but…

形式语言与自动机理论 · 计算机科学 2012-08-15 Hiroshi Umeo , Kinuo Nishide , Keisuke Kubo

Cycles are one of the fundamental subgraph patterns and being able to enumerate them in graphs enables important applications in a wide variety of fields, including finance, biology, chemistry, and network science. However, to enable cycle…

数据结构与算法 · 计算机科学 2023-07-18 Jovan Blanuša , Kubilay Atasu , Paolo Ienne

A theoretical memory with limited processing power and internal connectivity at each element is proposed. This memory carries out parallel processing within itself to solve generic array problems. The applicability of this in-memory…

分布式、并行与集群计算 · 计算机科学 2010-09-28 Chengpu Wang

We present a novel parallelisation scheme that simplifies the adaptation of learning algorithms to growing amounts of data as well as growing needs for accurate and confident predictions in critical applications. In contrast to other…

机器学习 · 计算机科学 2018-10-09 Michael Kamp , Mario Boley , Olana Missura , Thomas Gärtner

New computing paradigms are required to solve the most challenging computational problems where no exact polynomial time solution exists.Probabilistic Ising Accelerators has gained promise on these problems with the ability to model complex…

分布式、并行与集群计算 · 计算机科学 2024-09-17 Saavan Patel , Philip Canoza , Adhiraj Datar , Steven Lu , Chirag Garg , Sayeef Salahuddin

Parallel batched data structures are designed to process synchronized batches of operations in a parallel computing model. In this paper, we propose parallel combining, a technique that implements a concurrent data structure from a parallel…

分布式、并行与集群计算 · 计算机科学 2018-11-14 Vitaly Aksenov , Petr Kuznetsov , Anatoly Shalyto

Cellular automata are investigated towards their ability to compute transductions, that is, to transform inputs into outputs. The families of transductions computed are classified with regard to the time allowed to process the input and to…

形式语言与自动机理论 · 计算机科学 2012-08-15 Martin Kutrib , Andreas Malcher

Classic cache-oblivious parallel matrix multiplication algorithms achieve optimality either in time or space, but not both, which promotes lots of research on the best possible balance or tradeoff of such algorithms. We study modern…

分布式、并行与集群计算 · 计算机科学 2019-11-14 Yuan Tang

Computation of a signal's estimated covariance matrix is an important building block in signal processing, e.g., for spectral estimation. Each matrix element is a sum of products of elements in the input matrix taken over a sliding window.…

数据结构与算法 · 计算机科学 2013-03-12 Oded Green , Lior David , Ami Galperin , Yitzhak Birk

Recent years have witnessed the surge of asynchronous parallel (async-parallel) iterative algorithms due to problems involving very large-scale data and a large number of decision variables. Because of asynchrony, the iterates are computed…

最优化与控制 · 数学 2021-02-05 Zhimin Peng , Yangyang Xu , Ming Yan , Wotao Yin

There has been significant progress in understanding the parallelism inherent to iterative sequential algorithms: for many classic algorithms, the depth of the dependence structure is now well understood, and scheduling techniques have been…

数据结构与算法 · 计算机科学 2018-08-14 Dan Alistarh , Trevor Brown , Justin Kopinsky , Giorgi Nadiradze