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The Development of the Earth Simulator
Shinichi HABATA Mitsuo YOKOKAWA Shigemune KITAWAKI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/10/01
Print ISSN: 0916-8532
Type of Manuscript: INVITED PAPER (Special Issue on Development of Advanced Computer Systems)
supercomputer, HPC (high performance computing), parallel processing, shared memory, vector processor, crossbar network,
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The Earth Simulator (ES), developed by the Japanese government's initiative "Earth Simulator project," is a highly parallel vector supercomputer system. In May 2002, the ES was proven to be the most powerful computer in the world by achieving 35.86 teraflops on the LINPACK benchmark and 26.58 teraflops for a global atmospheric circulation model with the spectral method. Three architectural features enabled these great achievements; vector processor, shared-memory and high-bandwidth non-blocking interconnection crossbar network. In this paper, an overview of the ES, the three architectural features and the result of performance evaluation are described particularly with its hardware realization of the interconnection among 640 processor nodes.