The K computer – named for the Japanese word "kei" (京), meaning 10 quadrillion (1016)[1][Note 1] – is a supercomputer produced by Fujitsu, currently installed at the RIKEN Advanced Institute for Computational Science campus in Kobe, Japan.[1][2][3]
The K computer is based on a distributed memory architecture, with over 80,000 computer nodes.[4]
In June 2011, TOP500 ranked K the world's fastest supercomputer, with a rating of over 8 petaflops, and in November 2011, K became the first computer to top 10 petaflops.[5][6] It is slated for completion in June 2012.[6]
In June 2012, K was superseded as the world's fastest supercomputer by the American IBM Sequoia.[7]
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