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<DIV dir=ltr align=left><SPAN class=592155914-05082010><FONT color=#0000ff
size=2 face=Arial>I am running the VE on multi-core and it is enabled in some
applications (Radiance for sure, and I believe MicroFlo as
well).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=592155914-05082010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=592155914-05082010><FONT color=#0000ff
size=2 face=Arial>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.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=592155914-05082010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=592155914-05082010><FONT color=#0000ff
size=2 face=Arial>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.</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV align=left><SPAN style="FONT-SIZE: 13px"></SPAN><SPAN
style="FONT-SIZE: 12px"><FONT color=#4b4b4b face=Arial>Nathan Kegel LEED
AP</FONT></SPAN></DIV>
<DIV align=left><SPAN style="FONT-SIZE: 12px"><FONT color=#4b4b4b
face=Arial></FONT><BR></SPAN><FONT color=#fc6700><FONT size=4 face=Arial><SPAN
style="FONT-SIZE: 13px"><B>HGA Architects and
Engineers</B></SPAN></FONT></FONT><SPAN style="FONT-SIZE: 12px"><FONT
face=Arial> <BR></FONT></SPAN><FONT color=#4b4b4b><FONT size=4 face=Arial><SPAN
style="FONT-SIZE: 13px">Direct 612.758.4335 <BR></SPAN></FONT></FONT><SPAN
style="FONT-SIZE: 12px"><BR><BR></SPAN><FONT color=#4b4b4b><FONT size=2
face=Arial><SPAN style="FONT-SIZE: 10px"><B><I>Please consider the environment
before printing this e-mail.</I></B></SPAN></FONT></FONT></DIV>
<DIV> </DIV><BR>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> virtual-sim-bounces@lists.onebuilding.org
[mailto:virtual-sim-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Simon
Chilvers<BR><B>Sent:</B> Thursday, August 05, 2010 9:58 AM<BR><B>To:</B>
virtual-sim@lists.onebuilding.org<BR><B>Subject:</B> [Virtual-sim] Apache Engine
and Multicore Processors<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt">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 color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt">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 color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt">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 color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt">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 color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt">Any
pointers?<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Helvetica><SPAN
style="FONT-FAMILY: Helvetica; COLOR: navy; FONT-SIZE: 11pt">Simon<o:p></o:p></SPAN></FONT></P></DIV></BODY></HTML>