K computer

K computer
Einer der Schrankprototypen des K Computer

Der K computer (jap. 京, Kei, [keː], dt. „10 Billiarden, 10 Peta-“)[1] ist ein japanischer Supercomputer. Mit einer Rechenleistung von 10,51 Petaflops (gemessen nach LINPACK-Benchmark) ist er das derzeit (November 2011) schnellste Rechnersystem der Welt.[2]

Die theoretische Maximalleistung liegt bei 10,51 Petaflops. Er wurde von Fujitsu gebaut und steht in Kobe am RIKEN Advanced Institute for Computational Science. Er kombiniert 88.128 SPARC64 VIIIfx CPUs (2,0 GHz) mit je 8 Prozessorkernen in 672 Schränken.[3] Als Betriebssystem wird Linux verwendet. Der Ausbau des Systems wird im November 2012 mit 864 Schränken und einer Leistung von 11,28 Petaflops abgeschlossen sein.[4]

Einzelnachweise

  1. ↑ 次世代スーパーコンピュータの愛称は「京（けい）」と決定―１０ぺタを表し、京速（けいそく）コンピュータとしてなじみがあることなどが選考の理由―. RIKEN, 5. Juli 2010, abgerufen am 22. Juni 2011 (japanisch).
  2. ↑ "K computer" Achieves Goal of 10 Petaflops
  3. ↑ http://www.top500.org/system/details/10810
  4. ↑ Pressemitteilung Fujitsu

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