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This Article presents two optimized multi-GPU algorithms for Fock matrix construction, building on the work of Ufimtsev et al. and Barca et al. The novel algorithms, opt-UM and opt-Brc, introduce significant enhancements, including improved…

计算物理 · 物理学 2024-08-01 Elise Palethorpe , Ryan Stocks , Giuseppe M. J. Barca

Recent progress in artificial intelligence (AI) and high-performance computing (HPC) have brought potentially game-changing opportunities in accelerating reactive flow simulations. In this study, we introduce an open-source computational…

计算工程、金融与科学 · 计算机科学 2023-12-22 Runze Mao , Yingrui Wang , Min Zhang , Han Li , Jiayang Xu , Xinyu Dong , Yan Zhang , Zhi X. Chen

Open Computing Language (OpenCL) is a parallel processing language that is ideally suited for running parallel algorithms on Graphical Processing Units (GPUs). In the present work we report on the development of a generic parallel…

计算物理 · 物理学 2012-05-31 Cathal Ó Broin , L. A. A. Nikolopoulos

Reinforcement learning (RL) workloads take a notoriously long time to train due to the large number of samples collected at run-time from simulators. Unfortunately, cluster scale-up approaches remain expensive, and commonly used CPU…

机器学习 · 计算机科学 2022-07-19 James Gleeson , Daniel Snider , Yvonne Yang , Moshe Gabel , Eyal de Lara , Gennady Pekhimenko

The main goal in many fields in the empirical sciences is to discover causal relationships among a set of variables from observational data. PC algorithm is one of the promising solutions to learn underlying causal structure by performing a…

分布式、并行与集群计算 · 计算机科学 2020-01-22 Behrooz Zarebavani , Foad Jafarinejad , Matin Hashemi , Saber Salehkaleybar

In this work we present an efficient implementation of Canonical Monte Carlo simulation for Coulomb many body systems on graphics processing units (GPU). Our method takes advantage of the GPU Single Instruction, Multiple Data (SIMD)…

计算物理 · 物理学 2017-03-13 Yihao Liang , Xiangjun Xing , Yaohang Li

Numerically solving ordinary differential equations (ODEs) is a naturally serial process and as a result the vast majority of ODE solver software are serial. In this manuscript we developed a set of parallelized ODE solvers using…

数值分析 · 数学 2022-09-13 Utkarsh , Chris Elrod , Yingbo Ma , Christopher Rackauckas

The past decade has witnessed a dramatic acceleration of lattice quantum chromodynamics calculations in nuclear and particle physics. This has been due to both significant progress in accelerating the iterative linear solvers using…

高能物理 - 格点 · 物理学 2016-12-26 M. A. Clark , Bálint Joó , Alexei Strelchenko , Michael Cheng , Arjun Gambhir , Richard Brower

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

The One Sided Crossing Minimization (OSCM) problem is an optimization problem in graph drawing that aims to minimize the number of edge crossings in bipartite graph layouts. It has practical applications in areas such as network…

分布式、并行与集群计算 · 计算机科学 2025-09-30 Bogdan-Ioan Popa , Adrian-Marius Dumitran , Livia Magureanu

Graphics Processing Units (GPUs) have become the standard in accelerating scientific applications on heterogeneous systems. However, as GPUs are getting faster, one potential performance bottleneck with GPU-accelerated applications is the…

分布式、并行与集群计算 · 计算机科学 2025-05-01 Jonah Ekelund , Stefano Markidis , Ivy Peng

The recent trend of using Graphics Processing Units (GPU's) for high performance computations is driven by the high ratio of price performance for these units, complemented by their cost effectiveness. At first glance, computational fluid…

计算工程、金融与科学 · 计算机科学 2018-02-13 Kiril S. Shterev

We present a GPU-accelerated backend for QOCO, a C-based solver for quadratic objective second-order cone programs (SOCPs) based on a primal-dual interior point method. Our backend uses NVIDIA's cuDSS library to perform a direct sparse LDL…

最优化与控制 · 数学 2026-04-01 Govind M. Chari , Behçet Açıkmeşe

The effects of kinetic-energy preservation errors due to Runge-Kutta (RK) temporal integrators have been analyzed for the case of large-eddy simulations of incompressible turbulent channel flow. Simulations have been run using the…

流体动力学 · 物理学 2024-09-16 Marco Artiano , Carlo De Michele , Francesco Capuano , Gennaro Coppola

Efficiently exploiting GPUs is increasingly essential in scientific computing, as many current and upcoming supercomputers are built using them. To facilitate this, there are a number of programming approaches, such as CUDA, OpenACC and…

性能 · 计算机科学 2017-11-07 G. D. Balogh , I. Z. Reguly , G. R. Mudalige

Implicit Runge--Kutta (IRK) methods are highly effective for solving stiff ordinary differential equations (ODEs) but can be computationally expensive for large-scale problems due to the need of solving coupled algebraic equations at each…

数值分析 · 数学 2025-09-18 Fabio Durastante , Mariarosa Mazza

In this paper the performance of a parallel iterated Runge-Kutta method is compared versus those of the serial fouth order Runge-Kutta and Dormand-Prince methods. It was found that, typically, the runtime for the parallel method is…

We propose a programming technology that bridges cross-platform compatibility and hardware acceleration in ray tracing applications. Our methodology enables developers to define algorithms while our translator manages implementation…

图形学 · 计算机科学 2024-09-20 Vladimir Frolov , Vadim Sanzharov , Garifullin Albert , Maxim Raenchuk , Alexei Voloboy

Multicore architectures dominate today's processor market. Even though the number of cores and threads are pretty high and continues to grow, inherently serial algorithms do not benefit from the abundance of cores and threads. In this…

分布式、并行与集群计算 · 计算机科学 2018-05-21 Mohammad Bakhshalipour , Hamid Sarbazi-Azad

This paper shows the development of a multi-GPU version of a time-explicit finite volume solver for the Shallow-Water Equations (SWE) on a multi-GPU architecture. MPI is combined with CUDA-Fortran in order to use as many GPUs as needed. The…

计算物理 · 物理学 2023-03-03 Vincent Delmas , Azzedine Soulaïmani