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By country

Supercomputers in Japan

Machines operated in Japan have held first place on 17 TOP500 lists, across 6 different systems — from November 1993 to November 2021.

Machines

Fugaku
442.01 PFlop/s · number one for 4 lists
K computer
10.51 PFlop/s · number one for 2 lists
Earth Simulator
35.860 TFlop/s · number one for 5 lists
CP-PACS/2048
368.2 GFlop/s · number one for 1 list
SR2201/1024
220.4 GFlop/s · number one for 1 list
Numerical Wind Tunnel
170.0 GFlop/s · number one for 4 lists

Every list held

ListSystemOperator
November 2021FugakuRIKEN Center for Computational Science
June 2021FugakuRIKEN Center for Computational Science
November 2020FugakuRIKEN Center for Computational Science
June 2020FugakuRIKEN Center for Computational Science
November 2011K computerRIKEN AICS
June 2011K computerRIKEN AICS
June 2004Earth SimulatorEarth Simulator Center
November 2003Earth SimulatorEarth Simulator Center
June 2003Earth SimulatorEarth Simulator Center
November 2002Earth SimulatorEarth Simulator Center
June 2002Earth SimulatorEarth Simulator Center
November 1996CP-PACS/2048University of Tsukuba
June 1996SR2201/1024University of Tokyo
November 1995Numerical Wind TunnelNational Aerospace Laboratory of Japan
June 1995Numerical Wind TunnelNational Aerospace Laboratory of Japan
November 1994Numerical Wind TunnelNational Aerospace Laboratory of Japan
November 1993Numerical Wind TunnelNational Aerospace Laboratory of Japan