<html 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">
<head>
<meta http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<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;}
@font-face
{font-family:"Basic Sans SF";}
/* 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;
font-size:10.0pt;}
@page Section1
{size:612.0pt 792.0pt;
margin:70.85pt 3.0cm 70.85pt 3.0cm;}
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]-->
</head>
<body lang=ES-PA link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><span lang=EN-US>Hi fellows my name is Luis Alejandro Del
Castillo and am having issues to figure it out why if run mpirun twice with
the same configuration give me 2 different answers.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>wrf@cl2master-> ./mpirun -np 5
../examples/cpi<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 0 on cl2master<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 1 on node1<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 3 on node3<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 4 on node4<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 2 on node2<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>pi is approximately 3.1416009869231245,
Error is 0.0000083333333314<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>wall clock time = 0.007812<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>wrf@cl2master-> ./mpirun -np 5
../examples/cpi<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 0 on cl2master<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 3 on node3<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 1 on node1<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 2 on node2<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Process 4 on node4<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>pi is approximately 3.1416009869231245,
Error is 0.0000083333333314<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>wall clock time = 0.000000<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>wrf@cl2master-><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I have a Quad Core Beowulf cluster with 11
nodes (1 master , 10 slaves) all the same configuration.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I want to do this because I am trying to
explain the performance doing some graph. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Thanks <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>Luis Alejandro Del Castillo Riley<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>luis.delcastillo@cathalac.org<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>Soporte de Tecnología / IT Support
<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>CATHALAC<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>www.cathalac.org<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>Tel: (507)317-3235 (directo)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>Tel: (507)317-3200 (Central Telefónica)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>Fax: (507)317-3299<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=ES style='font-size:
9.0pt;font-family:"Basic Sans SF";color:black'>111 Ciudad del Saber, Clayton, Panamá<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;font-family:"Basic Sans SF";
color:black'>Apartado 0843-03102, Panamá</span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
</div>
</body>
</html>