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This work aims to improve the sample efficiency of parallel large-scale ranking and selection (R&S) problems by leveraging correlation information. We modify the commonly used "divide and conquer" framework in parallel computing by adding a…

统计方法学 · 统计学 2026-02-16 Zishi Zhang , Yijie Peng

Heterogeneous MPSoCs comprise diverse processing units of varying compute capabilities. To date, the mapping strategies of neural networks (NNs) onto such systems are yet to exploit the full potential of processing parallelism, made…

分布式、并行与集群计算 · 计算机科学 2023-02-28 Halima Bouzidi , Mohanad Odema , Hamza Ouarnoughi , Smail Niar , Mohammad Abdullah Al Faruque

Driven by deep learning, there has been a surge of specialized processors for matrix multiplication, referred to as TensorCore Units (TCUs). These TCUs are capable of performing matrix multiplications on small matrices (usually 4x4 or…

性能 · 计算机科学 2019-11-26 Abdul Dakkak , Cheng Li , Isaac Gelado , Jinjun Xiong , Wen-mei Hwu

We show that using the multi-splitting algorithm as a preconditioner for the domain wall Dirac linear operator, arising in lattice QCD, effectively reduces the inter-node communication cost, at the expense of performing more on-node…

高能物理 - 格点 · 物理学 2021-09-09 Jiqun Tu , M. A. Clark , Chulwoo Jung , Robert Mawhinney

The existing doubling algorithms have been proven efficient for several important nonlinear matrix equations arising from real-world engineering applications. In a nutshell, the algorithms iteratively compute a basis matrix, in one of the…

数值分析 · 数学 2026-02-10 Changli Liu , Tiexiang Li , Jungong Xue , Ren-Cang Li , Wen-Wei Lin

Partitioning graphs into blocks of roughly equal size such that few edges run between blocks is a frequently needed operation in processing graphs. Recently, size, variety, and structural complexity of these networks has grown dramatically.…

数据结构与算法 · 计算机科学 2018-10-16 Yaroslav Akhremtsev , Peter Sanders , Christian Schulz

Quantum Relative Entropy (QRE) programming is a recently popular and challenging class of convex optimization problems with significant applications in quantum computing and quantum information theory. We are interested in modern interior…

量子物理 · 物理学 2024-10-01 Mehdi Karimi , Levent Tuncel

Distributed quantum computing (DQC) is being actively investigated as a means of scaling the number of qubits across multiple connected quantum devices. This includes quantum circuit compilation and execution management on multiple quantum…

量子物理 · 物理学 2026-03-23 Gongyu Ni , Davide Ferrari , Lester Ho , Michele Amoretti

Reconciliation is a crucial procedure in post-processing of Quantum Key Distribution (QKD), which is used for correcting the error bits in sifted key strings. Although most studies about reconciliation of QKD focus on how to improve the…

量子物理 · 物理学 2019-03-26 Haokun Mao , Qiong Li , Qi Han , Hong Guo

Distributed machine learning systems have been receiving increasing attentions for their efficiency to process large scale data. Many distributed frameworks have been proposed for different machine learning tasks. In this paper, we study…

机器学习 · 计算机科学 2020-07-01 Hongwei Sun , Qiang Wu

Measurement-Based Quantum Computing (MBQC) is inherently well-suited for Distributed Quantum Computing (DQC): once a resource state is prepared and distributed across a network of quantum nodes, computation proceeds through local…

量子物理 · 物理学 2026-01-13 Kjell Fredrik Pettersen , Matthias Heller , Giorgio Sartor , Raoul Heese

Classical reverse-mode automatic differentiation (AD) imposes only a small constant-factor overhead in operation count over the original computation, but has storage requirements that grow, in the worst case, in proportion to the time…

编程语言 · 计算机科学 2018-07-18 Jeffrey Mark Siskind , Barak A. Pearlmutter

The real symmetric tridiagonal eigenproblem is of outstanding importance in numerical computations; it arises frequently as part of eigensolvers for standard and generalized dense Hermitian eigenproblems that are based on a reduction to…

数值分析 · 计算机科学 2013-06-25 Matthias Petschow , Enrique Quintana-Orti , Paolo Bientinesi

Quantum computers have been proposed as a solution for efficiently solving non-linear differential equations (DEs), a fundamental task across diverse technological and scientific domains. However, a crucial milestone in this regard is to…

量子物理 · 物理学 2025-03-31 Annie Paine , Casper Gyurik , Antonio Andrea Gentile

We introduce a distributed adaptive quadrature method that formulates multidimensional integration as a hierarchical domain decomposition problem on multi-GPU architectures. The integration domain is recursively partitioned into subdomains…

分布式、并行与集群计算 · 计算机科学 2025-11-04 Melanie Tonarelli , Simone Riva , Pietro Benedusi , Fabrizio Ferrandi , Rolf Krause

A type of parallel augmented subspace scheme for eigenvalue problems is proposed by using coarse space in the multigrid method. With the help of coarse space in multigrid method, solving the eigenvalue problem in the finest space is…

数值分析 · 数学 2020-08-19 Fei Xu , Hehu Xie , Ning Zhang

Reinforcement learning (RL) often faces the challenges of uninformed search problems where the agent should explore without access to the domain knowledge such as characteristics of the environment or external rewards. To tackle these…

机器学习 · 计算机科学 2023-10-31 Daesol Cho , Seungjae Lee , H. Jin Kim

Learned iterative reconstruction algorithms for inverse problems offer the flexibility to combine analytical knowledge about the problem with modules learned from data. This way, they achieve high reconstruction performance while ensuring…

图像与视频处理 · 电气工程与系统科学 2022-10-24 Mareike Thies , Fabian Wagner , Mingxuan Gu , Lukas Folle , Lina Felsner , Andreas Maier

Deep neural networks (DNNs) sustain high performance in today's data processing applications. DNN inference is resource-intensive thus is difficult to fit into a mobile device. An alternative is to offload the DNN inference to a cloud…

分布式、并行与集群计算 · 计算机科学 2021-01-18 Beibei Zhang , Tian Xiang , Hongxuan Zhang , Te Li , Shiqiang Zhu , Jianjun Gu

Matrix mechanisms are often used to provide unbiased differentially private query answers when publishing statistics or creating synthetic data. Recent work has developed matrix mechanisms, such as ResidualPlanner and Weighted Fourier…

数据库 · 计算机科学 2026-04-02 Guanlin He , Yingtai Xiao , Jiamu Bai , Xin Gu , Zeyu Ding , Wenpeng Yin , Daniel Kifer