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Mesoscopic simulations of hydrocarbon flow in source shales are challenging, in part due to the heterogeneous shale pores with sizes ranging from a few nanometers to a few micrometers. Additionally, the sub-continuum fluid-fluid and…

The objective of this study is to develop a fully compressible magnetohydrodynamic solver for fast simulations of the global dynamo of the Sun using unstructured grids and GPUs. Accurate modeling of the Sun's convective layers is vital to…

太阳与恒星天体物理 · 物理学 2025-02-26 Aidan Paoli , Chunlei Liang

Public cloud computing environments, such as Amazon AWS, Microsoft Azure, and the Google Cloud Platform, have achieved remarkable improvements in computational performance in recent years, and are also expected to be able to perform…

分布式、并行与集群计算 · 计算机科学 2020-06-17 Masahito Ohue , Kento Aoyama , Yutaka Akiyama

As an important application of spatial databases in pathology imaging analysis, cross-comparing the spatial boundaries of a huge amount of segmented micro-anatomic objects demands extremely data- and compute-intensive operations, requiring…

数据库 · 计算机科学 2012-08-02 Kaibo Wang , Yin Huai , Rubao Lee , Fusheng Wang , Xiaodong Zhang , Joel H. Saltz

Scientific computing in the exascale era demands increased computational power to solve complex problems across various domains. With the rise of heterogeneous computing architectures the need for vendor-agnostic, performance portability…

分布式、并行与集群计算 · 计算机科学 2025-11-05 Johansell Villalobos , Josef Ruzicka , Silvio Rizzi

With the fast developments of high-performance computing, first-principles methods based on quantum mechanics play a significant role in materials research, serving as fundamental tools for predicting and analyzing various properties of…

材料科学 · 物理学 2024-10-11 Haochong Zhang , Zichao Deng , Yu Liu , Tao Liu , Mohan Chen , Shi Yin , Lixin He

In recent years, the Graphics Processing Unit (GPU) has emerged as a low-cost alternative for high performance computing, enabling impressive speed-ups for a range of scientific computing applications. Early adopters in astronomy are…

天体物理仪器与方法 · 物理学 2011-11-23 Christopher J. Fluke

We describe a highly optimized implementation of MPI domain decomposition in a GPU-enabled, general-purpose molecular dynamics code, HOOMD-blue (Anderson and Glotzer, arXiv:1308.5587). Our approach is inspired by a traditional CPU-based…

Rapid growth in scientific data and a widening gap between computational speed and I/O bandwidth make it increasingly infeasible to store and share all data produced by scientific simulations. Instead, we need methods for reducing data…

分布式、并行与集群计算 · 计算机科学 2021-03-02 Jieyang Chen , Lipeng Wan , Xin Liang , Ben Whitney , Qing Liu , David Pugmire , Nicholas Thompson , Matthew Wolf , Todd Munson , Ian Foster , Scott Klasky

This paper highlights first steps towards enabling graphics processing unit (GPU) acceleration of the task-parallel smoothed particle hydrodynamics (SPH) solver SWIFT. Novel combinations of algorithms are presented, enabling SWIFT to…

Sustainability in high performance computing (HPC) is a major challenge not only for HPC centers and their users, but also for society as the climate goals become stricter. A lot of effort went into reducing the energy consumption of…

分布式、并行与集群计算 · 计算机科学 2023-12-11 Osman Seckin Simsek , Jean-Guillaume Piccinali , Florina M. Ciorba

A finite-difference Micromagnetic solver is presented utilizing the C++ Accelerated Massive Parallelism (C++ AMP). The high speed performance of a single Graphics Processing Unit (GPU) is demonstrated compared to a typical CPU-based solver.…

计算工程、金融与科学 · 计算机科学 2014-07-07 Ru Zhu

GROMACS is a widely used package for biomolecular simulation, and over the last two decades it has evolved from small-scale efficiency to advanced heterogeneous acceleration and multi-level parallelism targeting some of the largest…

计算工程、金融与科学 · 计算机科学 2015-06-03 Páll Szilárd , Mark James Abraham , Carsten Kutzner , Berk Hess , Erik Lindahl

We present a single-node, multi-GPU programmable graph processing library that allows programmers to easily extend single-GPU graph algorithms to achieve scalable performance on large graphs with billions of edges. Directly using the…

分布式、并行与集群计算 · 计算机科学 2017-03-02 Yuechao Pan , Yangzihao Wang , Yuduo Wu , Carl Yang , John D. Owens

HPC and Cloud have evolved independently, specializing their innovations into performance or productivity. Acceleration as a Service (XaaS) is a recipe to empower both fields with a shared execution platform that provides transparent access…

分布式、并行与集群计算 · 计算机科学 2024-01-10 Torsten Hoefler , Marcin Copik , Pete Beckman , Andrew Jones , Ian Foster , Manish Parashar , Daniel Reed , Matthias Troyer , Thomas Schulthess , Dan Ernst , Jack Dongarra

Graph analytics techniques based on spectral methods process extremely large sparse matrices with millions or even billions of non-zero values. Behind these algorithms lies the Top-K sparse eigenproblem, the computation of the largest…

硬件体系结构 · 计算机科学 2022-01-20 Francesco Sgherzi , Alberto Parravicini , Marco Domenico Santambrogio

Large language models (LLMs) are increasingly deployed as the execution core of autonomous agents rather than as standalone text generators. Agentic workloads induce a temporal shift from single-turn inference to multi-turn LLM-tool loops,…

We present an approach to molecular-dynamics simulations of ferrofluids on graphics processing units (GPUs). Our numerical scheme is based on a GPU-oriented modification of the Barnes-Hut (BH) algorithm designed to increase the parallelism…

计算物理 · 物理学 2013-04-30 A. Yu. Polyakov , T. V. Lyutyy , S. Denisov , V. V. Reva , P. Hanggi

With high computation power and memory bandwidth, graphics processing units (GPUs) lend themselves to accelerate data-intensive analytics, especially when such applications fit the single instruction multiple data (SIMD) model. However,…

分布式、并行与集群计算 · 计算机科学 2018-12-12 Hang Liu , H. Howie Huang

In drug discovery, molecular docking is the task in charge of estimating the position of a molecule when interacting with the docking site. This task is usually used to perform screening of a large library of molecules, in the early phase…

分布式、并行与集群计算 · 计算机科学 2019-01-21 Emanuele Vitali , Davide Gadioli , Gianluca Palermo , Andrea Beccari , Carlo Cavazzoni , Cristina Silvano
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