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Paul,
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<div class="">thanks for you reply. It did solve the problem.</div>
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<div class="">I was running on one processor for debugging purposes only.</div>
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<div class="">Marco</div>
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<div class="">On Jul 13, 2016, at 12:10 PM, <a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">
nek5000-users@lists.mcs.anl.gov</a> wrote:</div>
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Hi Marco,
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<div class="">It looks to me like you're trying to overwrite a constant in interp_vt().</div>
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<div class="">I see the following:</div>
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call interp_vt(ih_rbc,uvwt,xyz,npts,.false.) ! interpolation</p>
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:</p>
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:</p>
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:</p>
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subroutine interp_vt(ihandle,uvwt,xyz,n,iftmp)</p>
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:</p>
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:</p>
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iftmp = .false. ! no temperature</p>
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<div class="">which is trying to overwrite ".false." ... ?</div>
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<div class="">Please let me know if this resolves your issue.</div>
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<div class="">Also, I see in your SIZE file that lelt=10000. Are you running only on one processor?</div>
<div class="">If the number of elements in your .rea file is ~10,000 and you are running on (say) 1024</div>
<div class="">MPI ranks, then you only need lelt=10. Resetting lelt and lelv in this way would result</div>
<div class="">in a significant reduction in memory footprint and possible increase in performance.</div>
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<div class="">Best, Paul</div>
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<div id="divRpF613511" style="direction: ltr;" class=""><font face="Tahoma" size="2" class=""><b class="">From:</b><span class="Apple-converted-space"> </span><a href="mailto:nek5000-users-bounces@lists.mcs.anl.gov" class="">nek5000-users-bounces@lists.mcs.anl.gov</a>
[<a href="mailto:nek5000-users-bounces@lists.mcs.anl.gov" class="">nek5000-users-bounces@lists.mcs.anl.gov</a>] on behalf of
<a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">nek5000-users@lists.mcs.anl.gov</a> [<a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">nek5000-users@lists.mcs.anl.gov</a>]<br class="">
<b class="">Sent:</b><span class="Apple-converted-space"> </span>Wednesday, July 13, 2016 10:20 AM<br class="">
<b class="">To:</b><span class="Apple-converted-space"> </span><a href="mailto:nek5000-users@lists.mcs.anl.gov" class="">nek5000-users@lists.mcs.anl.gov</a><br class="">
<b class="">Subject:</b><span class="Apple-converted-space"> </span>[Nek5000-users] Access to an undefined portion of a memory object.<br class="">
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<div class="PlainText">Hello,<br class="">
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I have a subroutine that interpolates the velocity for a list of points and have a strange error message when I try to run it. It seems that the variables ‘nx1’, ‘ny1’ and nz1’ are not defined even though ‘SIZE’ is included in the subroutine. As far I understand,
the variables ‘nx1’, ‘ny1’ and 'nz1’ are made available in a subroutine by simply including ‘SIZE’ at the beginning. I attached the case to reproduce the error message that is:<br class="">
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Access to an undefined portion of a memory object.<br class="">
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Any help would be appreciated.<br class="">
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Marco</div>
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