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Title:
The Sunway TaihuLight supercomputer: system and applications
Author: Fu, HH ; Liao, JF ; Yang, JZ ; Wang, LN ; Song, ZY ; Huang, XM ; Yang, C ; Xue, W ; Liu, FF ; Qiao, FL ; Zhao, W ; Yin, XQ ; Hou, CF ; Zhang, CL ; Ge, W ; Zhang, J ; Wang, YG ; Zhou, CB ; Yang, GW
Keyword: supercomputer ; many-core ; high performance computing ; scientific computing ; computer architecture
Source: Science China-Information Sciences
Issued Date: 2016
Volume: 59, Issue:7
Indexed Type: SCI
Department: Tsinghua Univ, Minist Educ, Key Lab Earth Syst Modeling, Beijing 100084, Peoples R China. Tsinghua Univ, Ctr Earth Syst Sci, Beijing 100084, Peoples R China. Tsinghua Univ, Dept Comp Sci & Technol, Beijing 100084, Peoples R China. Natl Supercomp Ctr Wuxi, Wuxi 214072, Peoples R China. Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing 100875, Peoples R China. Chinese Acad Sci, Inst Software, Beijing 100190, Peoples R China. First Inst Oceanog, State Ocean Adm, Qingdao 266061, Peoples R China. Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China. Chinese Acad Sci, Comp Network Informat Ctr, Beijing 100190, Peoples R China.
Abstract: The Sunway TaihuLight supercomputer is the world's first system with a peak performance greater than 100 PFlops. In this paper, we provide a detailed introduction to the TaihuLight system. In contrast with other existing heterogeneous supercomputers, which include both CPU processors and PCIe-connected many-core accelerators (NVIDIA GPU or Intel Xeon Phi), the computing power of TaihuLight is provided by a homegrown many-core SW26010 CPU that includes both the management processing elements (MPEs) and computing processing elements (CPEs) in one chip. With 260 processing elements in one CPU, a single SW26010 provides a peak performance of over three TFlops. To alleviate the memory bandwidth bottleneck in most applications, each CPE comes with a scratch pad memory, which serves as a user-controlled cache. To support the parallelization of programs on the new many-core architecture, in addition to the basic C/C++ and Fortran compilers, the system provides a customized Sunway OpenACC tool that supports the OpenACC 2.0 syntax. This paper also reports our preliminary efforts on developing and optimizing applications on the TaihuLight system, focusing on key application domains, such as earth system modeling, ocean surface wave modeling, atomistic simulation, and phase-field simulation.
English Abstract: The Sunway TaihuLight supercomputer is the world's first system with a peak performance greater than 100 PFlops. In this paper, we provide a detailed introduction to the TaihuLight system. In contrast with other existing heterogeneous supercomputers, which include both CPU processors and PCIe-connected many-core accelerators (NVIDIA GPU or Intel Xeon Phi), the computing power of TaihuLight is provided by a homegrown many-core SW26010 CPU that includes both the management processing elements (MPEs) and computing processing elements (CPEs) in one chip. With 260 processing elements in one CPU, a single SW26010 provides a peak performance of over three TFlops. To alleviate the memory bandwidth bottleneck in most applications, each CPE comes with a scratch pad memory, which serves as a user-controlled cache. To support the parallelization of programs on the new many-core architecture, in addition to the basic C/C++ and Fortran compilers, the system provides a customized Sunway OpenACC tool that supports the OpenACC 2.0 syntax. This paper also reports our preliminary efforts on developing and optimizing applications on the TaihuLight system, focusing on key application domains, such as earth system modeling, ocean surface wave modeling, atomistic simulation, and phase-field simulation.
Language: 英语
WOS ID: WOS:000380685000010
Citation statistics:
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/17318
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Fu, HH,Liao, JF,Yang, JZ,et al. The Sunway TaihuLight supercomputer: system and applications[J]. Science China-Information Sciences,2016-01-01,59(7).
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