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相关论文: A GPU-Based Genetic Algorithm for the P-Median Pro…

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Nowadays, we are living in an era of extreme device heterogeneity. Despite the high variety of conventional CPU architectures, accelerator devices, such as GPUs and FPGAs, also appear in the foreground exploding the pool of available…

机器学习 · 计算机科学 2022-08-31 Petros Vavaroutsos , Ioannis Oroutzoglou , Dimosthenis Masouros , Dimitrios Soudris

We present a new parallel algorithm for probabilistic graphical model optimization. The algorithm relies on data-parallel primitives (DPPs), which provide portable performance over hardware architecture. We evaluate results on CPUs and GPUs…

分布式、并行与集群计算 · 计算机科学 2018-09-14 Brenton Lessley , Talita Perciano , Colleen Heinemann , David Camp , Hank Childs , E. Wes Bethel

We introduce a novel, efficient computational method, ZEUS, for numerical optimization, and provide an open-source implementation. It has four key ingredients: (1) particle swarm optimization (PSO), (2) the use of the…

分布式、并行与集群计算 · 计算机科学 2026-04-01 Dominik Soos , Marc Paterno , Desh Ranjan , Mohammad Zubair

The complex regulatory dynamics of a biological network can be succinctly captured using discrete logic models. Given even sparse time-course data from the system of interest, previous work has shown that global optimization schemes are…

分子网络 · 定量生物学 2026-04-22 Joyce Reimer , Pranta Saha , Chris Chen , Neeraj Dhar , Brook Byrns , Steven Rayan , Gordon Broderick

Estimating the geometric median of a dataset is a robust counterpart to mean estimation, and is a fundamental problem in computational geometry. Recently, [HSU24] gave an $(\varepsilon, \delta)$-differentially private algorithm obtaining an…

数据结构与算法 · 计算机科学 2025-05-27 Syamantak Kumar , Daogao Liu , Kevin Tian , Chutong Yang

This work focuses on a class of general decentralized constraint-coupled optimization problems. We propose a novel nested primal-dual gradient algorithm (NPGA), which can achieve linear convergence under the weakest known condition, and its…

最优化与控制 · 数学 2025-05-06 Jingwang Li , Housheng Su

In this paper, we study differentially private (DP) algorithms for computing the geometric median (GM) of a dataset: Given $n$ points, $x_1,\dots,x_n$ in $\mathbb{R}^d$, the goal is to find a point $\theta$ that minimizes the sum of the…

机器学习 · 计算机科学 2024-06-12 Mahdi Haghifam , Thomas Steinke , Jonathan Ullman

Subgraph isomorphism is a well-known NP-hard problem that is widely used in many applications, such as social network analysis and query over the knowledge graph. Due to the inherent hardness, its performance is often a bottleneck in…

数据库 · 计算机科学 2021-04-21 Li Zeng , Lei Zou , M. Tamer Özsu , Lin Hu , Fan Zhang

One area of Computing applications which poses significant challenge of performance scalability on Chip Multiprocessors(CMP's) are Irregular applications. Such applications have very little computation and unpredictable memory access…

分布式、并行与集群计算 · 计算机科学 2016-03-09 Varun Nagpal

Computational Pangenomics is an emerging field that studies genetic variation using a graph structure encompassing multiple genomes. Visualizing pangenome graphs is vital for understanding genome diversity. Yet, handling large graphs can be…

分布式、并行与集群计算 · 计算机科学 2026-05-29 Jiajie Li , Jan-Niklas Schmelzle , Yixiao Du , Simon Heumos , Andrea Guarracino , Giulia Guidi , Pjotr Prins , Erik Garrison , Zhiru Zhang

We present a novel, GPU-optimized algorithm for particle-mesh interactions in grid-based hydrodynamics simulations, designed for massively parallel architectures. This approach overcomes the inefficiency of particle neighbour searches or…

天体物理仪器与方法 · 物理学 2026-03-23 Chong-Chong He , Benjamin D. Wibking , Aditi Vijayan , Mark R. Krumholz , Pak Shing Li

One of the important problems in multiprocessor systems is Task Graph Scheduling. Task Graph Scheduling is an NP-Hard problem. Both learning automata and genetic algorithms are search tools which are used for solving many NP-Hard problems.…

计算复杂性 · 计算机科学 2011-06-13 Vahid Majid Nezhad , Habib Motee Gader , Evgueni Efimov

The main problems in modeling interacting galaxies are the extended parameter space and the fairly high CPU costs of self-consistent N-body simulations. Therefore, traditional modeling techniques suffer from either extreme CPU demands or…

天体物理学 · 物理学 2007-05-23 Ch. Theis , Ch. Gerds , Ch. Spinneker

We examine the problem of optimizing classification tree evaluation for on-line and real-time applications by using GPUs. Looking at trees with continuous attributes often used in image segmentation, we first put the existing algorithms for…

分布式、并行与集群计算 · 计算机科学 2011-11-08 Jason Spencer

Multiprocessor task scheduling is an important and computationally difficult problem. This paper proposes a comparison study of genetic algorithm and list scheduling algorithm. Both algorithms are naturally parallelizable but have heavy…

性能 · 计算机科学 2010-02-08 S. R. Vijayalakshmi , G. Padmavathi

We propose a parallel graph-based data clustering algorithm using CUDA GPU, based on exact clustering of the minimum spanning tree in terms of a minimum isoperimetric criteria. We also provide a comparative performance analysis of our…

分布式、并行与集群计算 · 计算机科学 2017-02-17 Ramin Javadi , Saleh Ashkboos

We report an efficient algorithm for calculating momentum-space integrals in solid state systems on modern graphics processing units (GPUs). Our algorithm is based on the tetrahedron method, which we demonstrate to be ideally suited for…

计算物理 · 物理学 2018-06-19 Daniel Guterding , Harald O. Jeschke

For various optimization methods, gradient descent-based algorithms can achieve outstanding performance and have been widely used in various tasks. Among those commonly used algorithms, ADAM owns many advantages such as fast convergence…

神经与进化计算 · 计算机科学 2021-05-05 Jiyang Bai , Yuxiang Ren , Jiawei Zhang

We investigate a family of $(\mu+\lambda)$ Genetic Algorithms (GAs) which creates offspring either from mutation or by recombining two randomly chosen parents. By scaling the crossover probability, we can thus interpolate from a fully…

神经与进化计算 · 计算机科学 2021-02-16 Furong Ye , Hao Wang , Carola Doerr , Thomas Bäck

We present a GPU-accelerated numerical approach for fast kernel and differential background solutions. The model image proposed in the Bramich (2008) difference image analysis algorithm is analogous to a very simple Convolutional Neural…