A spectral atmospheric general circulation model called AFES (AGCM for Earth Simulator) was developed and optimized for the architecture of the Earth Simulator (ES). The ES is a massively parallel vector supercomputer that consists of 640 processor nodes interconnected by a single stage crossbar network with its total peak performance of 40.96 Tflops. The sustained performance of 26.58 Tflops was achieved for a high resolution simulation (T1279L96) with AFES by utilizing the full 640-node configuration of the ES. The resulting computing efficiency is 64.9% of the peak performance, well surpassing that of conventional weather/climate applications having just 25--50% efficiency even on vector parallel computers. This remarkable performance proves the effectiveness of the ES as a viable means for practical applications.

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Information

Published In

SC '02: Proceedings of the 2002 ACM/IEEE conference on Supercomputing

November 2002

952 pages

ISBN:076951524X

Conference Chair:
Roscoe Giles
Boston University
,
Program Chair:
Daniel Reed
NCSA
,
Publications Chair:
Kathryn Kelley
Ohio Supercomputer Center

Publisher

IEEE Computer Society Press

Washington, DC, United States

Publication History

Published: 16 November 2002

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SC '02

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SIGARCH
IEEE-CS

SC '02: International Conference for High Performance Computing, Networking, Storage and Analysis

16 11 2002

Maryland, Baltimore

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SC '02 Paper Acceptance Rate 67 of 230 submissions, 29%;

Overall Acceptance Rate 1,516 of 6,373 submissions, 24%

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Yang CXue WFu HGan LLi LXu YLu YSun JYang GZheng WNicolau AShen XAmarasinghe SVuduc R(2013)A peta-scalable CPU-GPU algorithm for global atmospheric simulationsProceedings of the 18th ACM SIGPLAN symposium on Principles and practice of parallel programming10.1145/2442516.2442518(1-12)Online publication date: 23-Feb-2013
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