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<h3><span class="mw-headline" id="Supercomputers">Supercomputers</span></h3>
<p>Linux is the most popular operating system among <a
href="http://en.wikipedia.org/wiki/Supercomputer"
title="Supercomputer">supercomputers</a> due to its superior
performance, flexibility, speed and lower costs. In November 2008
Linux held an 87.8 percent share of the world's top 500
supercomputers.<sup id="cite_ref-90" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-90"><span>[</span>90<span>]</span></a></sup><sup
id="cite_ref-91" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-91"><span>[</span>91<span>]</span></a></sup><sup
id="cite_ref-CW23Nov09_92-0" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-CW23Nov09-92"><span>[</span>92<span>]</span></a></sup><sup
id="cite_ref-PT13Jun08_93-0" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-PT13Jun08-93"><span>[</span>93<span>]</span></a></sup><sup
id="cite_ref-InTech01Sep03_94-0" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-InTech01Sep03-94"><span>[</span>94<span>]</span></a></sup></p>
<p>As of November 2012 the operating systems used on the world's top
500 supercomputers were:<sup id="cite_ref-95" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-95"><span>[</span>95<span>]</span></a></sup></p>
<table class="wikitable">
<tbody>
<tr>
<th>OS</th>
<th>Share</th>
</tr>
<tr>
<td>Linux</td>
<td>93.8%</td>
</tr>
<tr>
<td><a href="http://en.wikipedia.org/wiki/AIX" title="AIX"
class="mw-redirect">AIX</a></td>
<td>3.6%</td>
</tr>
<tr>
<td>Hybrid Unix/Linux</td>
<td>1.4%</td>
</tr>
<tr>
<td>Other Unix</td>
<td>0.6%</td>
</tr>
<tr>
<td><a href="http://en.wikipedia.org/wiki/Windows_HPC"
title="Windows HPC" class="mw-redirect">Windows HPC</a></td>
<td>0.6%</td>
</tr>
</tbody>
</table>
<p>In January 2010 Weiwu Hu, chief architect of the <a
href="http://en.wikipedia.org/wiki/Loongson" title="Loongson">Loongson</a>
family of CPUs at the Institute of Computing Technology, which is
part of the <a
href="http://en.wikipedia.org/wiki/Chinese_Academy_of_Sciences"
title="Chinese Academy of Sciences">Chinese Academy of Sciences</a>,
confirmed that the new Dawning 6000 supercomputer will use
Chinese-made Loongson processors and will run Linux as its
operating system. The most recent supercomputer the organization
built, the Dawning 5000a, which was first run in 2008, used AMD
chips and ran <a
href="http://en.wikipedia.org/wiki/Windows_HPC_Server_2008"
title="Windows HPC Server 2008">Windows HPC Server 2008</a>.<sup
id="cite_ref-Mims19Jan10_96-0" class="reference"><a
href="http://en.wikipedia.org/wiki/Linux_adoption#cite_note-Mims19Jan10-96"><span>[</span>96<span>]</span></a></sup></p>
<div class="moz-signature">-- <br>
Gerald</div>
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