<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div>Of some interest is Jack Dongarra's measurements on the iPad</div><div><a href="http://bits.blogs.nytimes.com/2011/05/09/the-ipad-in-your-hand-as-fast-as-a-supercomputer-of-yore">http://bits.blogs.nytimes.com/2011/05/09/the-ipad-in-your-hand-as-fast-as-a-supercomputer-of-yore</a>/</div><div><br></div><div>And his speculation on a cluster. (wouldn't be a Beowulf: not commodity hardware, not open source OS, etc.)</div><div><br></div><div>While it might do the flops, the interconnect bandwidth is quite low. I assume it would have to use WiFi (I don't know how fast the tether port is, but I don't think it's a real ball o'fire. It's hard to measure. You can plug a USB disk drive into the photo adapter so maybe your interconnect could simulate that.</div><div><br></div><span id="OLK_SRC_BODY_SECTION"><div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt"><span style="font-weight:bold">From: </span> "Hearns, John" <<a href="mailto:john.hearns@mclaren.com">john.hearns@mclaren.com</a>><br><span style="font-weight:bold">Date: </span> Thu, 8 Mar 2012 05:43:10 -0800<br><span style="font-weight:bold">To: </span> "<a href="mailto:beowulf@beowulf.org">beowulf@beowulf.org</a>" <<a href="mailto:beowulf@beowulf.org">beowulf@beowulf.org</a>><br><span style="font-weight:bold">Subject: </span> [Beowulf] Supercomputers - iPad versus Cray<br></div><div><br></div><div xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 12 (filtered medium)"><style>
<!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;}
@page Section1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.Section1
{page:Section1;}
-->
</style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--><div lang="EN-GB" link="blue" vlink="purple"><div class="Section1"><p class="MsoNormal"><a href="http://www.theregister.co.uk/2012/03/08/supercomputing_vs_home_usage/">http://www.theregister.co.uk/2012/03/08/supercomputing_vs_home_usage/</a><o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">A rather nice Register article on costs for supercomputers,
adjusted to 2010 dollars,<o:p></o:p></p><p class="MsoNormal">And a rather interesting cost per megaflop table on the
second page.<o:p></o:p></p></div><p><span style="font-family:'Arial';font-size:8pt;">The contents of this email are confidential and for the exclusive use of the intended recipient. If you receive this email in error you should not copy it, retransmit it, use it or disclose its contents but should return it to the sender immediately and delete your copy.</span></p></div></div></span></body></html>