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The 2D Least Median of Squares (LMS) is a popular tool in robust regression because of its high breakdown point: up to half of the input data can be contaminated with outliers without affecting the accuracy of the LMS estimator. The…

计算机视觉与模式识别 · 计算机科学 2015-10-06 Gil Shapira , Tal Hassner

The Nvidia GPU architecture has introduced new computing elements such as the \textit{tensor cores}, which are special processing units dedicated to perform fast matrix-multiply-accumulate (MMA) operations and accelerate \textit{Deep…

分布式、并行与集群计算 · 计算机科学 2019-03-12 Roberto Carrasco , Raimundo Vega , Cristóbal A. Navarro

The Lagrangian Particles (LP) module of the PLUTO code offers a powerful simulation tool to predict the non-thermal emission produced by shock accelerated particles in large-scale relativistic magnetized astrophysics flows. The LPs…

高能天体物理现象 · 物理学 2026-03-02 Alessio Suriano , Stefano Truzzi , Agnese Costa , Marco Rossazza , Nitin Shukla , Andrea Mignone , Vittoria Berta , Claudio Zanni

For large-scale graph analytics on the GPU, the irregularity of data access and control flow, and the complexity of programming GPUs, have presented two significant challenges to developing a programmable high-performance graph library.…

分布式、并行与集群计算 · 计算机科学 2017-01-06 Yangzihao Wang , Yuechao Pan , Andrew Davidson , Yuduo Wu , Carl Yang , Leyuan Wang , Muhammad Osama , Chenshan Yuan , Weitang Liu , Andy T. Riffel , John D. Owens

We developed a high-speed image reduction pipeline using Graphics Processing Units (GPUs) as hardware accelerators. Astronomers desire detecting EM counterpart of gravitational-wave sources as soon as possible for sharing positional…

Stochastic simulation techniques employed for the analysis of portfolios of insurance/reinsurance risk, often referred to as `Aggregate Risk Analysis', can benefit from exploiting state-of-the-art high-performance computing platforms. In…

分布式、并行与集群计算 · 计算机科学 2013-08-19 A. K. Bahl , O. Baltzer , A. Rau-Chaplin , B. Varghese , A. Whiteway

We present a scalable dissipative particle dynamics simulation code, fully implemented on the Graphics Processing Units (GPUs) using a hybrid CUDA/MPI programming model, which achieves 10-30 times speedup on a single GPU over 16 CPU cores…

分布式、并行与集群计算 · 计算机科学 2014-12-01 Yu-Hang Tang , George Em Karniadakis

High-resolution tri-axial simulations are indispensable for realistically co-modeling the dynamical signatures and the radiative fingerprints of astrophysical jets, which are becoming increasingly important in modern computational studies…

星系天体物理 · 物理学 2026-02-26 Gourab Giri , Andrea Mignone , Alessio Suriano , Marco Rossazza , Stefano Truzzi

Monte Carlo simulation is the most accurate method for absorbed dose calculations in radiotherapy. Its efficiency still requires improvement for routine clinical applications, especially for online adaptive radiotherapy. In this paper, we…

医学物理 · 物理学 2015-05-14 Xun Jia , Xuejun Gu , Josep Sempau , Dongju Choi , Amitava Majumdar , Steve B. Jiang

This paper introduces a fast Central Processing Unit (CPU) implementation of geodesic morphological operations using stream processing. In contrast to the current state-of-the-art, that focuses on achieving insensitivity to the filter sizes…

性能 · 计算机科学 2019-12-02 Danijel Žlaus , Domen Mongus

Astronomers have come to rely on the increasing performance of computers to reduce, analyze, simulate and visualize their data. In this environment, faster computation can mean more science outcomes or the opening up of new parameter spaces…

天体物理仪器与方法 · 物理学 2010-01-14 Benjamin R. Barsdell , David G. Barnes , Christopher J. Fluke

SAGECal has been designed to find the most accurate calibration solutions for low radio frequency imaging observations, with minimum artefacts due to incomplete sky models. SAGECAL is developed to handle extremely large datasets, e.g., when…

天体物理仪器与方法 · 物理学 2019-10-31 Hanno Spreeuw , Ben van Werkhoven , Sarod Yatawatta , Faruk Diblen

Large industrial systems that combine services and applications, have become targets for cyber criminals and are challenging from the security, monitoring and auditing perspectives. Security log analysis is a key step for uncovering…

分布式、并行与集群计算 · 计算机科学 2017-04-10 Xavier Bellekens , Christos Tachtatzis , Robert Atkinson , Craig Renfrew , Tony Kirkham

Monte Carlo Localization is a widely used approach in the field of mobile robotics. While this problem has been well studied in the 2D case, global localization in 3D maps with six degrees of freedom has so far been too computationally…

机器人学 · 计算机科学 2023-10-09 Marc Eisoldt , Alexander Mock , Mario Porrmann , Thomas Wiemann

Process mapping asks to assign vertices of a task graph to processing elements of a supercomputer such that the computational workload is balanced while the communication cost is minimized. Motivated by the recent success of GPU-based graph…

分布式、并行与集群计算 · 计算机科学 2026-03-16 Petr Samoldekin , Christian Schulz , Henning Woydt

We propose a CPU-GPU heterogeneous computing method for solving time-evolution partial differential equation problems many times with guaranteed accuracy, in short time-to-solution and low energy-to-solution. On a single-GH200 node, the…

计算工程、金融与科学 · 计算机科学 2024-10-01 Tsuyoshi Ichimura , Kohei Fujita , Muneo Hori , Lalith Maddegedara , Jack Wells , Alan Gray , Ian Karlin , John Linford

Deploying deep neural networks on mobile devices is increasingly important but remains challenging due to limited computing resources. On the other hand, their unified memory architecture and narrower gap between CPU and GPU performance…

机器学习 · 计算机科学 2026-02-20 Zhuojin Li , Marco Paolieri , Leana Golubchik

Due to the very long timescales involved (us-s), theoretical modeling of fundamental biological processes including folding, misfolding, and mechanical unraveling of biomolecules, under physiologically relevant conditions, is challenging…

软凝聚态物质 · 物理学 2010-03-08 A. Zhmurov , R. I. Dima , Y. Kholodov , V. Barsegov

The common assumption in on-device AI is that GPUs, with their superior parallel processing, always provide the best performance for large language model (LLM) inference. In this work, we challenge this notion by empirically demonstrating…

分布式、并行与集群计算 · 计算机科学 2025-05-13 Haolin Zhang , Jeff Huang

This paper presents a novel, high-performance, graphical processing unit-based algorithm for efficiently solving two-dimensional linear programs in batches. The domain of two-dimensional linear programs is particularly useful due to the…

分布式、并行与集群计算 · 计算机科学 2019-02-14 John Charlton , Steve Maddock , Paul Richmond