计算机应用
計算機應用
계산궤응용
COMPUTER APPLICATION
2014年
z1期
78-81
,共4页
计算机辅助工程%结构力学%ABAQUS%图形处理器加速%高性能计算
計算機輔助工程%結構力學%ABAQUS%圖形處理器加速%高性能計算
계산궤보조공정%결구역학%ABAQUS%도형처리기가속%고성능계산
Computer-Aided Engineering (CAE)%structural dynamics%ABAQUS%GPU acceleration%High Performance Computing (HPC)
高性能计算领域利用GPU加速计算已逐渐发展成为主流应用的普遍功能之一。主流结构力学应用ABAQUS支持 GPU 通用计算,充分发挥 GPU 的高性能浮点运算能力与访存带宽,提高软件求解效率。介绍了ABAQUS软件对GPU加速应用的发展历程,在上海超级计算中心三种不同的异构环境下,针对实际算例的GPU加速性能进行了测试,建立计算效率分析方法,分析GPU加速对求解时间、系统资源调用、软件并行效率的影响,并针对采用隐式方法求解百万量级自由度问题时资源的合理使用提出建议。
高性能計算領域利用GPU加速計算已逐漸髮展成為主流應用的普遍功能之一。主流結構力學應用ABAQUS支持 GPU 通用計算,充分髮揮 GPU 的高性能浮點運算能力與訪存帶寬,提高軟件求解效率。介紹瞭ABAQUS軟件對GPU加速應用的髮展歷程,在上海超級計算中心三種不同的異構環境下,針對實際算例的GPU加速性能進行瞭測試,建立計算效率分析方法,分析GPU加速對求解時間、繫統資源調用、軟件併行效率的影響,併針對採用隱式方法求解百萬量級自由度問題時資源的閤理使用提齣建議。
고성능계산영역이용GPU가속계산이축점발전성위주류응용적보편공능지일。주류결구역학응용ABAQUS지지 GPU 통용계산,충분발휘 GPU 적고성능부점운산능력여방존대관,제고연건구해효솔。개소료ABAQUS연건대GPU가속응용적발전역정,재상해초급계산중심삼충불동적이구배경하,침대실제산례적GPU가속성능진행료측시,건립계산효솔분석방법,분석GPU가속대구해시간、계통자원조용、연건병행효솔적영향,병침대채용은식방법구해백만량급자유도문제시자원적합리사용제출건의。
General computation accelerated by Graphic Processing Unit ( GPU ) has become popular in today's High Performance Computing ( HPC) area. As one of the leading software solving structural mechanical problems, ABAQUS now offers general purpose GPU ( GPGPU) simulation module. Benefited from high floating point computational ability and memory bandwidth, GPU is able to accelerate Computer Aided Engineering ( CAE ) simulation in ABAQUS. History of GPGPU simulation was firstly introduced, followed by software test regarding to engineering cases with three different heterogeneous hardware systems provided in Shanghai Supercomputer Center. The influence on solver time, system resource usage, and parallel efficiency by GPU acceleration was addressed, while suggestions on solving multi-million degree-of-freedom cases by implicit solver were made.