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→Linux for supercomputers: All the fastest supercomputers in the decade since the Earth Simulator, have used Linux. Easily confirmed and will not date. Seems the Earth simulator is decommisioned explaining how 44(+) fastest can run Linux |
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==Linux for supercomputers==
{{Main|Linux for supercomputers}}
All the fastest supercomputers in the decade since the [[Earth Simulator]] supercomputer, have used Linux. Linux also ran on the first [[teraflops]] supercomputer, [[ASCI Red]] in 1997 (and the first [[petascale computing|petascale]] in 2008 - [[IBM Roadrunner]]).
<!-- Earth_Simulator#Operating_system 2002-2004 BSD (SUPER-UX)
ASCI White AIX 2001/November 2001 12.3 teraflops.
ASCI Red 1997
I checked nr. 41-50, all run Linux. Note nr 38, *seems* to run Linux, while not saying it:
http://www.top500.org/system/177449
Operating System: bullx SUperCOmputer Suite A.E.2.1
Rank:
11/2014 38
06/2012 12
http://www.wcm.bull.com/internet/pr/new_rend.jsp?DocId=695691&lang=en
-->
{{As of|2014|November}}, 485 or 97% of the world's fastest supercomputers run an operating system based on the Linux kernel; this percentage also translates to over 98% of the total core count or overall performance. Remaining 3% run some Unix variant (which is [[IBM AIX|AIX]] for all of them except one), with one supercomputer running Windows and one with a "mixed" <!--Seems to be this "Cell OS" at nr 81, that is probably Linux: http://www.top500.org/system/178469
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