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Hi Abhishek,<br>
<br>
Those problems are likely to come from your code, not from the
MPICH library. They seem to reveal computation issues like
division by zero, so your results might not be accurate. There's
not much we can help from here, though. You may contact the
application developer if it's not you or look at PGI's
documentation to debug the places where these happen (a starting
point may be here:
<a class="moz-txt-link-freetext" href="http://www.pgroup.com/userforum/viewtopic.php?t=2928&postdays=0&postorder=asc&start=0">http://www.pgroup.com/userforum/viewtopic.php?t=2928&postdays=0&postorder=asc&start=0</a>).<br>
<br>
Best,<br>
Antonio<br>
<br>
<br>
On 02/05/2015 09:20 AM, Abhishek Bhat wrote:<br>
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<p class="MsoNormal"><span style="font-family:"Cambria",serif">All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">I am running
MPICH3 with program compiled with PGI Fortran. At the end
of (successful) completion of the simulation, I am getting
the following warnings for each node<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_invalid is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_denorm is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_invalid is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_denorm is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_denorm is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_denorm is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_denorm is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_divide_by_zero is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_divide_by_zero is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_denorm is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_divide_by_zero is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_underflow is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Warning:
ieee_inexact is signaling<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Any suggestion
if these warnings are harmful or on how to turn them off?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Thank You<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Cambria",serif">Abhishek<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.75pt;text-autospace:none"><span style="font-family:"Cambria",serif;color:#004080">………………………………………………………………………………………………….<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.75pt;text-autospace:none"><b><span style="font-family:"Cambria",serif;color:#004080">Abhishek
Bhat, PhD, EPI,<br>
</span></b><span style="font-family:"Cambria",serif;color:#004080">Senior
Consultant<o:p></o:p></span></p>
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<pre class="moz-signature" cols="72">--
Antonio J. Peña
Postdoctoral Appointee
Mathematics and Computer Science Division
Argonne National Laboratory
9700 South Cass Avenue, Bldg. 240, Of. 3148
Argonne, IL 60439-4847
<a class="moz-txt-link-abbreviated" href="mailto:apenya@mcs.anl.gov">apenya@mcs.anl.gov</a>
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