<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:x="urn:schemas-microsoft-com:office:excel" xmlns:p="urn:schemas-microsoft-com:office:powerpoint" xmlns:a="urn:schemas-microsoft-com:office:access" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882" xmlns:rs="urn:schemas-microsoft-com:rowset" xmlns:z="#RowsetSchema" xmlns:b="urn:schemas-microsoft-com:office:publisher" xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet" xmlns:odc="urn:schemas-microsoft-com:office:odc" xmlns:oa="urn:schemas-microsoft-com:office:activation" xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:q="http://schemas.xmlsoap.org/soap/envelope/" xmlns:rtc="http://microsoft.com/officenet/conferencing" xmlns:D="DAV:" xmlns:Repl="http://schemas.microsoft.com/repl/" xmlns:mt="http://schemas.microsoft.com/sharepoint/soap/meetings/" xmlns:x2="http://schemas.microsoft.com/office/excel/2003/xml" xmlns:ppda="http://www.passport.com/NameSpace.xsd" xmlns:ois="http://schemas.microsoft.com/sharepoint/soap/ois/" xmlns:dir="http://schemas.microsoft.com/sharepoint/soap/directory/" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:dsp="http://schemas.microsoft.com/sharepoint/dsp" xmlns:udc="http://schemas.microsoft.com/data/udc" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sub="http://schemas.microsoft.com/sharepoint/soap/2002/1/alerts/" xmlns:ec="http://www.w3.org/2001/04/xmlenc#" xmlns:sp="http://schemas.microsoft.com/sharepoint/" xmlns:sps="http://schemas.microsoft.com/sharepoint/soap/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:udcs="http://schemas.microsoft.com/data/udc/soap" xmlns:udcxf="http://schemas.microsoft.com/data/udc/xmlfile" xmlns:udcp2p="http://schemas.microsoft.com/data/udc/parttopart" xmlns:st="" xmlns="http://www.w3.org/TR/REC-html40"
xmlns:ns2="http://schemas.microsoft.com/sharepoint/soap/workflow/"
xmlns:ns3="http://schemas.microsoft.com/office/2006/digsig-setup"
xmlns:ns4="http://schemas.microsoft.com/office/2006/digsig"
xmlns:ns5="http://schemas.openxmlformats.org/package/2006/digital-signature"
xmlns:ns6="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:ns0="http://schemas.microsoft.com/office/2004/12/omml"
xmlns:ns7="http://schemas.openxmlformats.org/package/2006/relationships"
xmlns:ns8="http://microsoft.com/sharepoint/webpartpages"
xmlns:ns9="http://schemas.microsoft.com/exchange/services/2006/types"
xmlns:ns10="http://schemas.microsoft.com/exchange/services/2006/messages"
xmlns:ns11="http://schemas.microsoft.com/sharepoint/soap/SlideLibrary/"
xmlns:ns12="http://microsoft.com/webservices/SharePointPortalServer/PublishedLinksService"
xmlns:ns13="urn:schemas-microsoft-com:">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<!--[if !mso]>
<style>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style>
<![endif]-->
<style>
<!--a:link
{mso-style-priority: 99
;}
span.MSOHYPERLINK
{mso-style-priority: 99
;}
a:visited
{mso-style-priority: 99
;}
span.MSOHYPERLINKFOLLOWED
{mso-style-priority: 99
;}
strong
{mso-style-priority: 22
;}
p
{mso-style-priority: 99
;}
/* Font Definitions */
@font-face
{font-family:Helvetica;
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 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;}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
strong
{color:dimgray;}
p
{mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman";}
span.EmailStyle19
{mso-style-type:personal;
font-family:Calibri;
color:windowtext;}
span.EmailStyle20
{mso-style-type:personal;
font-family:Helvetica;
font-variant:normal !important;
color:navy;
text-transform:none;
font-weight:normal;
font-style:normal;
text-decoration:none none;
vertical-align:baseline;}
span.EmailStyle21
{mso-style-type:personal-reply;
font-family:Helvetica;
font-variant:normal !important;
color:navy;
text-transform:none;
font-weight:normal;
font-style:normal;
text-decoration:none none;
vertical-align:baseline;}
@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]-->
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I was aware that Microflo can use
multicore processors, but not radiance. I do not use it so would not have
known.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>It’s been an aim of IES’s
programmers to make more of the software suite take advantage of multiple cores,
but I think it remains a pipedream of theirs.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Looking at purchasing a MESH machine with
an Core-i7 and will possibly dabble with overclocking one of the cores. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>However… I recently ran the same
model on two machines. One had a standard Intel P4 (3Ghz) processor and 2
Gb of RAM an the other had a Xeon Quad Core E5320 (1.86Ghz) also with 2Gb of
RAM and noticed very little difference in time taken to run the simulation.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>While running simulations I also do tend
to pay attention to the amount of RAM that is taken up by the Apache engine and
it seems that it never goes above 500Mb despite more being available to it.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Another query of mine would be…
while running a highly complicated model through ApacheSim, how resource
intensive is it. The Crux of the question is will an update to a 64 bit system
and the ability to have more than 2GB of RAM really make that much difference
if it still only uses 500Mb.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Simon<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color="#4f6228" face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman";color:#4F6228'><o:p> </o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Nathan Kegel
[mailto:NKegel@hga.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 05 August 2010 16:03<br>
<b><span style='font-weight:bold'>To:</span></b> Simon Chilvers;
virtual-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Virtual-sim] Apache
Engine and Multicore Processors</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I am running the VE on multi-core and it
is enabled in some applications (Radiance for sure, and I believe MicroFlo as
well).</span></font><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I'm running the HP Z400 series with a
quad-core and Windows 7 64-bit. CFD calculations run in half the time as
they did on my old (2 years old) HP with Windows XP. Radiance calcs
are noticeable reduced as well.</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Not sure if ApacheSIM benefits from
multi-cores yet, but I know that calculation time was reduced as well.
Plus it seems with the additional RAM (8GB vs. 2GB) the VE is just more stable.</span></font><font
size=3 face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=1 color="#4b4b4b" face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:#4B4B4B'>Nathan Kegel LEED AP</span></font><font
size=3 face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face="Times New Roman"><span style='font-size:
9.0pt;font-family:"Times New Roman"'><br>
</span></font><b><font size=2 color="#fc6700" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#FC6700;font-weight:bold'>HGA
Architects and Engineers</span></font></b><font size=1 face=Arial><span
style='font-size:9.0pt;font-family:Arial'> <br>
</span></font><font size=2 color="#4b4b4b" face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:#4B4B4B'>Direct 612.758.4335 <br>
</span></font><font size=1 face="Times New Roman"><span style='font-size:9.0pt;
font-family:"Times New Roman"'><br>
<br>
</span></font><b><i><font size=1 color="#4b4b4b" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#4B4B4B;font-weight:bold;
font-style:italic'>Please consider the environment before printing this e-mail.</span></font></i></b><font
size=3 face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
virtual-sim-bounces@lists.onebuilding.org
[mailto:virtual-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Simon Chilvers<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, August 05, 2010
9:58 AM<br>
<b><span style='font-weight:bold'>To:</span></b>
virtual-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Virtual-sim] Apache
Engine and Multicore Processors</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'>Looking at purchasing
a standalone PC to sit separate from our work network and run our Simulations
on as quickly and efficiently as possible.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'>Due to ApacheSim
currently not taking advantage of multithreading or multi-core processors, what
would be the most effective hardware setup?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'>IES seem to think
that 32bit and 64bit machines in regards to the VE suite operate comparably,
with the only advantage being the ability to have more than 2 GB of RAM on a
64bit system, which I can only think is an advantage when running Microflo simulations
(something that we do not do here as we do not have a license.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'>Therefore I assume I
need to look at a processor with the biggest core size.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'>Any pointers?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Helvetica><span
style='font-size:11.0pt;font-family:Helvetica;color:navy'>Simon<o:p></o:p></span></font></p>
</div>
</body>
</html>