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相关论文: gScan: Accelerating Graham Scan on the GPU

200 篇论文

This paper presents a Graphics Processing Units (GPUs) acceleration method of an iterative scheme for gas-kinetic model equations. Unlike the previous GPU parallelization of explicit kinetic schemes, this work features a fast converging…

计算物理 · 物理学 2020-01-08 Lianhua Zhu , Peng Wang , Songze Chen , Zhaoli Guo , Yonghao Zhang

This paper proposes a GPU-accelerated optimization framework for collision avoidance problems where the controlled objects and the obstacles can be modeled as the finite union of convex polyhedra. A novel collision avoidance constraint is…

机器人学 · 计算机科学 2024-06-12 Zeming Wu , Zhuping Wang , Hao Zhang

We introduce a GPU-accelerated Monte Carlo framework for nonconvex, free-final-time trajectory optimization problems. This framework makes use of the prox-linear method, which belongs to the larger family of sequential convex programming…

最优化与控制 · 数学 2024-04-30 Govind M. Chari , Abhinav G. Kamath , Purnanand Elango , Behçet Açıkmeşe

SCAN (Structural Clustering Algorithm for Networks) is a well-studied, widely used graph clustering algorithm. For large graphs, however, sequential SCAN variants are prohibitively slow, and parallel SCAN variants do not effectively share…

数据库 · 计算机科学 2021-04-01 Tom Tseng , Laxman Dhulipala , Julian Shun

Convex hulls are fundamental geometric tools used in a number of algorithms. This paper presents a fast, simple to implement and robust Smart Convex Hull (S-CH) algorithm for computing the convex hull of a set of points in E3. This…

数据结构与算法 · 计算机科学 2017-08-10 Vaclav Skala , Zuzana Majdisova , Michal Smolik

Structural parameters are normally extracted from observed galaxies by fitting analytic light profiles to the observations. Obtaining accurate fits to high-resolution images is a computationally expensive task, requiring many model…

天体物理仪器与方法 · 物理学 2015-03-17 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

The clustering coefficient and the transitivity ratio are concepts often used in network analysis, which creates a need for fast practical algorithms for counting triangles in large graphs. Previous research in this area focused on…

分布式、并行与集群计算 · 计算机科学 2016-08-09 Adam Polak

The gamma-index dose comparison tool has been widely used to compare dose distributions in cancer radiotherapy. The accurate calculation of gamma-index requires an exhaustive search of the closest Euclidean distance in the high-resolution…

医学物理 · 物理学 2015-05-20 Xuejun Gu , Xun Jia , Steve B. Jiang

The two-dimensional discrete wavelet transform has a huge number of applications in image-processing techniques. Until now, several papers compared the performance of such transform on graphics processing units (GPUs). However, all of them…

计算机视觉与模式识别 · 计算机科学 2017-05-24 David Barina , Michal Kula , Michal Matysek , Pavel Zemcik

Recent enhancements to the Primal-Dual Hybrid Gradient (PDHG) algorithm have enabled GPUs to efficiently solve large linear programming problems, often faster than the long-dominant simplex and interior-point methods. The solutions found by…

最优化与控制 · 数学 2025-11-19 Edward Rothberg

Compressive sensing promises to enable bandwidth-efficient on-board compression of astronomical data by lifting the encoding complexity from the source to the receiver. The signal is recovered off-line, exploiting GPUs parallel computation…

分布式、并行与集群计算 · 计算机科学 2018-02-14 Attilio Fiandrotti , Sophie M. Fosson , Chiara Ravazzi , Enrico Magli

Gaussian Processes have become an indispensable part of the spatial statistician's toolbox but are unsuitable for analyzing large dataset because of the significant time and memory needed to fit the associated model exactly. Vecchia…

统计计算 · 统计学 2025-07-18 Zachary James , Joseph Guinness

Cosmological measurements require the calculation of nontrivial quantities over large datasets. The next generation of survey telescopes (such as DES, PanSTARRS, and LSST) will yield measurements of billions of galaxies. The scale of these…

天体物理仪器与方法 · 物理学 2012-12-10 Deborah Bard , Matthew Bellis , Mark T. Allen , Hasmik Yepremyan , Jan M. Kratochvil

Real-time remote sensing applications like search and rescue missions, military target detection, environmental monitoring, hazard prevention and other time-critical applications require onboard real time processing capabilities or…

分布式、并行与集群计算 · 计算机科学 2021-06-25 Mahmoud Hossam

In the next decade, the demands for computing in large scientific experiments are expected to grow tremendously. During the same time period, CPU performance increases will be limited. At the CERN Large Hadron Collider (LHC), these two…

Convex hulls are fundamental objects in computational geometry. In moderate dimensions or for large numbers of vertices, computing the convex hull can be impractical due to the computational complexity of convex hull algorithms. In this…

计算几何 · 计算机科学 2017-06-16 Robert Graham , Adam M. Oberman

This study presents a reconstruction of the Gaussian Beam Tracing solution using CUDA, with a particular focus on the utilisation of GPU acceleration as a means of overcoming the performance limitations of traditional CPU algorithms in…

性能 · 计算机科学 2025-01-24 Zhang Sheng , Lishu Duan , Hanbo Jiang

We show how to accelerate the direct solution of the Boltzmann equation using Graphics Processing Units (GPUs). In order to fully exploit the computational power of the GPU, we choose a method of solution which combines a finite difference…

计算物理 · 物理学 2011-08-18 Aldo Frezzotti , Gian Pietro Ghiroldi , Livio Gibelli

In this paper, we report an optimized union-find (UF) algorithm that can label the connected components on a 2D image efficiently by employing the GPU architecture. The proposed method contains three phases: UF-based local merge, boundary…

计算机视觉与模式识别 · 计算机科学 2017-08-30 Jun Chen , Qiang Yao , Houari Sabirin , Keisuke Nonaka , Hiroshi Sankoh , Sei Naito

The convolution computation is widely used in many fields, especially in CNNs. Because of the rapid growth of the training data in CNNs, GPUs have been used for the acceleration, and memory-efficient algorithms are focused because of thier…

分布式、并行与集群计算 · 计算机科学 2022-12-02 Qiong Chang , Masaki Onishi , Tsutomu Maruyama