中文
相关论文

相关论文: Acceleration of three-dimensional Tokamak magnetoh…

200 篇论文

The recent Natural Language Processing techniques have been refreshing the state-of-the-art performance at an incredible speed. Training huge language models is therefore an imperative demand in both industry and academy. However, huge…

分布式、并行与集群计算 · 计算机科学 2021-06-01 Zhengda Bian , Qifan Xu , Boxiang Wang , Yang You

We present a highly scalable Monte Carlo (MC) three-dimensional photon transport simulation platform designed for heterogeneous computing systems. Through the development of a massively parallel MC algorithm using the Open Computing…

分布式、并行与集群计算 · 计算机科学 2018-02-06 Leiming Yu , Fanny Nina-Paravecino , David Kaeli , Qianqian Fang

For computational fluid dynamics (CFD) applications with a large number of grid points/cells, parallel computing is a common efficient strategy to reduce the computational time. How to achieve the best performance in the modern…

性能 · 计算机科学 2018-03-12 Yong-Xian Wang , Li-Lun Zhang , Wei Liu , Xing-Hua Cheng , Yu Zhuang , Anthony T. Chronopoulos

Simulations based on particle methods, such as Smoothed Particle Hydrodynamics (SPH), are known to be computationally demanding. While such methods have for long been executed in parallel on multi-core CPUs, in recent years the increasing…

计算工程、金融与科学 · 计算机科学 2026-03-18 Xiangyu Hu , Alberto Guarnieri

Differentiable model predictive control (MPC) offers a powerful framework for combining learning and control. However, its adoption has been limited by the inherently sequential nature of traditional optimization algorithms, which are…

最优化与控制 · 数学 2025-10-08 Emre Adabag , Marcus Greiff , John Subosits , Thomas Lew

Specialized image processing accelerators are necessary to deliver the performance and energy efficiency required by important applications in computer vision, computational photography, and augmented reality. But creating,…

软件工程 · 计算机科学 2016-11-01 Jing Pu , Steven Bell , Xuan Yang , Jeff Setter , Stephen Richardson , Jonathan Ragan-Kelley , Mark Horowitz

Efficient implementations of HPC applications for parallel architectures generally rely on external software packages (e.g., BLAS, LAPACK, CUDNN). While these libraries provide highly optimized routines for certain characteristics of inputs…

分布式、并行与集群计算 · 计算机科学 2018-02-16 Philippe Tillet , David Cox

This paper investigates the multi-GPU performance of a 3D buoyancy driven cavity solver using MPI and OpenACC directives on different platforms. The paper shows that decomposing the total problem in different dimensions affects the strong…

分布式、并行与集群计算 · 计算机科学 2021-06-10 Weicheng Xue , Christopher J. Roy

We show that efficient simulations of the Kardar-Parisi-Zhang interface growth in 2 + 1 dimensions and of the 3-dimensional Kinetic Monte Carlo of thermally activated diffusion can be realized both on GPUs and modern CPUs. In this article…

分布式、并行与集群计算 · 计算机科学 2014-01-21 Jeffrey Kelling , Géza Ódor , Máté Ferenc Nagy , Henrik Schulz , Karl-Heinz Heinig

This paper presents a comprehensive comparison of three dominant parallel programming models in High Performance Computing (HPC): Message Passing Interface (MPI), Open Multi-Processing (OpenMP), and Compute Unified Device Architecture…

分布式、并行与集群计算 · 计算机科学 2025-06-19 Nizar ALHafez , Ahmad Kurdi

This paper is focused on improving multi-GPU performance of a research CFD code on structured grids. MPI and OpenACC directives are used to scale the code up to 16 GPUs. This paper shows that using 16 P100 GPUs and 16 V100 GPUs can be…

分布式、并行与集群计算 · 计算机科学 2021-06-10 Weicheng Xue , Charles W. Jackson , Christoper J. Roy

Nowadays, latency-critical, high-performance applications are parallelized even on power-constrained client systems to improve performance. However, an important scenario of fine-grained tasking on simultaneous multithreading CPU cores in…

分布式、并行与集群计算 · 计算机科学 2024-10-03 Denis Los , Igor Petushkov

A new magnetohydrodynamics (MHD) code based on initial value approach, GMEC_I, has been developed for simulating various MHD physics in tokamak plasmas, as the MHD foundation of the gyrokinetic-MHD energetic particle simulation code (GMEC)…

等离子体物理 · 物理学 2024-02-15 P. Y. Jiang , Z. Y. Liu , S. Y. Liu , J. Bao , G. Y. Fu

Recently, computers have diversified architectures. To achieve high numerical calculation software performance, it is necessary to tune the software according to the target computer architecture. However, code optimization for each…

性能 · 计算机科学 2023-12-12 Toma Sakurai , Satoshi Ohshima , Takahiro Katagiri , Toru Nagai

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

GAMER, a parallel Graphic-processing-unit-accelerated Adaptive-MEsh-Refinement hydrodynamic code, has been extended to support magnetohydrodynamics (MHD) with both the corner-transport-upwind (CTU) and MUSCL-Hancock schemes and the…

计算物理 · 物理学 2018-06-22 Ui-Han Zhang , Hsi-Yu Schive , Tzihong Chiueh

We propose a new hybrid topology optimization algorithm based on multigrid approach that combines the parallelization strategy of CPU using OpenMP and heavily multithreading capabilities of modern Graphics Processing Units (GPU). In…

分布式、并行与集群计算 · 计算机科学 2022-02-01 Arya Prakash Padhi , Souvik Chakraborty , Anupam Chakrabarti , Rajib Chowdhury

Modern heterogeneous high-performance computing (HPC) systems powered by advanced graphics processing unit (GPU) architectures enable accelerating computing with unprecedented performance and scalability. Here, we present a GPU-accelerated…

We present a data-parallel software package for fitting Gaussian Approximation Potentials (GAPs) on multiple nodes using the ScaLAPACK library with MPI and OpenMP. Until now the maximum training set size for GAP models has been limited by…

材料科学 · 物理学 2022-11-14 Sascha Klawohn , James R. Kermode , Albert P. Bartók

Machine learning based on neural networks has advanced rapidly, but the high energy consumption required for training and inference remains a major challenge. Hyperdimensional Computing (HDC) offers a lightweight, brain-inspired alternative…

分布式、并行与集群计算 · 计算机科学 2025-11-10 Wakuto Matsumi , Riaz-Ul-Haque Mian