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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thanks Dave &#8211; I think the tasks option is only available
with PVM versions, which I do not have built. I&#8217;d like to avoid learning
how to do this (the reason for me simply downloading the beta MPI version and
installing mpich2). Hopefully, there&#8217;s a simple way to correct the cpu
time error.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Eduardo<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
mpich-discuss-bounces@mcs.anl.gov [mailto:mpich-discuss-bounces@mcs.anl.gov] <b>On
Behalf Of </b>SULLIVAN David (AREVA)<br>
<b>Sent:</b> Wednesday, September 08, 2010 3:50 PM<br>
<b>To:</b> mpich-discuss@mcs.anl.gov<br>
<b>Subject:</b> Re: [mpich-discuss] Suppressed Output<o:p></o:p></span></p>

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</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Eduardo,</span><o:p></o:p></p>

<p class=MsoNormal>&nbsp;<o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I am more familiar with mcnp5 than x but I think this is still
applicable- For using a single machine it is often better to use the
mcnp&nbsp;input variable&nbsp;&quot;tasks 8&quot; (for your situation), rather
than going through mpiexec. So it would look like:</span><o:p></o:p></p>

<p class=MsoNormal>&nbsp;<o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>mcnpx tasks 8 i=filename.i o=filename.o</span><o:p></o:p></p>

<p class=MsoNormal>&nbsp;<o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>If the executable has been built for threading..if it bombs with
the error &quot;multiprocessing is unavailable in this compilation&quot;, you
will need to rebuild it for OMP (if you have the source files). Hope this is
helpful-</span><o:p></o:p></p>

<p class=MsoNormal>&nbsp;<o:p></o:p></p>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Dave</span><o:p></o:p></p>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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<hr size=2 width="100%" align=center>

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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> mpich-discuss-bounces@mcs.anl.gov
[mailto:mpich-discuss-bounces@mcs.anl.gov] <b>On Behalf Of </b>Padilla, Eduardo
Antonio<br>
<b>Sent:</b> Wednesday, September 08, 2010 5:13 PM<br>
<b>To:</b> mpich-discuss@mcs.anl.gov<br>
<b>Subject:</b> [mpich-discuss] Suppressed Output</span><o:p></o:p></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>All,<o:p></o:p></span></p>

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<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>I
recently installed the current version of MPICH2 1.2.1p1 on a 32-bit XP Pro
machine with 8 cores (the machine is 64-bit but the OS is 32). I&#8217;m trying
to run MCNPX threading all 8 cores. My command line is as follows: <o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>mpiexec
&#8211;localonly 8 mcnpx i=filename&#8230;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>This
ran great exactly twice. However, now when I run it I see MCNPX start up
normally, create the initial files and then:<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Dynamic
storage = 0 words, 0 bytes. Cp0 = 0.00<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Master
starting 7 by 1 subtasks 09/03/10 (time)<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Master
sending static commons&#8230;<o:p></o:p></span></p>

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<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Master
sending dynamic commons&#8230;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Master
completed initialization broadcasts.<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Rendezvous
at nps = 1000 # of microtasks = 7 (date time &#8211; this is MCNPX language
here)<o:p></o:p></span></p>

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<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Rendezvous
at nps =***************** of microtasks = 7 (date time &#8211; this is MCNPX
talk but confusing to me)<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>&nbsp;<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>At
this point, all 8 cores are running full bore in task manager, but the process
gets hung up. The output files are never written or updated (data dumps
don&#8217;t occur). When I run based on a set number of particle histories (not
based on cpu time), the process seems to work fine. I assume a simple setting
got changed somewhere?<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Regards,<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Eduardo
Padilla<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>Sandia
National Labs<o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif"'>&nbsp;<o:p></o:p></span></p>

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