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<p>Hi Erik,</p>
<p>thanks for your quick reply. I'm not so worried about the error,
it actually seems to be an MPI issue, even though MPI worked fine
on the smaller cluster. Hopefully it isn't a pain to fix.<br>
</p>
<p>What I really want to know is the difference between the standard
lapacke and intel's mkl one. Is the only difference between the
two, if all I used before was functions defined in lapacke.h, to
replace this with mkl_lapacke.h? The code seems to run fine with
only this change, but I remember seeing somewhere standard lapack
function calls but with mkl__ appended at the front. I want to
know if I should also modify these function calls as well to make
proper use of the mkl. The mkl_lapacke.h header file itself
doesn't seem very insightful.<br>
</p>
<p>I can't seem to find much useful documentation on this through
google...</p>
<p>Cheers,</p>
<p>Chris<br>
</p>
<br>
<div class="moz-cite-prefix">On 03/24/2018 04:50 PM, Erik Schnetter
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CADKQjjf6YF_uh=iWk0-u+=ULVHxBSkuK9WMg_wjV979Bem74jQ@mail.gmail.com">
<div>
<div dir="auto">Chris</div>
<div dir="auto"><br>
</div>
<div dir="auto">Can you say what is actually going wrong? We
need to see an error message or similar to help out.</div>
<div dir="auto"><br>
</div>
<div dir="auto">-erik</div>
<br>
<div class="gmail_quote">
<div>On Sat, Mar 24, 2018 at 03:38 Chris Stevens <<a
href="mailto:c.stevens@ru.ac.za" moz-do-not-send="true">c.stevens@ru.ac.za</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p>Hi everyone,</p>
<p>I have just ported my code from a local cluster to
larger one which uses intel mkl and wanted to clarify
the changes I've made are the correct ones wrt the
lapacke library:</p>
<p>-- In the local cluster, I had the option <br>
</p>
<p>LAPACK_LIBS = lapack lapacke in my .ini file</p>
<p>and used #include "lapacke.h" in the code.<br>
</p>
<p>-- In the bigger cluster, I now have to use intel mkl,
and I have the following options in my .cfg<br>
</p>
<p>LAPACK_DIR =
/apps/compilers/intel/parallel_studio_xe_2016/mkl/lib/intel64</p>
<p>LAPACK_LIBS = -mkl</p>
<p>which will only compile my code if I replace #include
"lapacke.h" with #include "mkl_lapacke.h".</p>
<p>Question: Is this the right way to generalise to mkl
lapacke?<br>
</p>
<p>Problem: The code runs fine on the local cluster, but
breaks (not obvious where) on the larger one with the
above changes. The lapacke functions seem to work OK at
a glance, but seeing as this is the only thing that has
changed this may still be the culprit. <br>
</p>
<p>Question: Do I perhaps need to change the lapacke
function calls also? The mkl_lapacke.h header file
doesn't seem to give much insight... I think I remember
seeing somewhere calls replaced something like <br>
</p>
<p>LAPACKE_dgels -> MKL_LAPACKE_dgels</p>
<p>Thanks!</p>
<p>Chris<br>
</p>
<div class="m_6846868189903482482moz-signature">-- <br>
<font color="#666666" face="Cantarell" size="-1">Dr
Chris Stevens<br>
<br>
Claude Leon Postdoctoral Fellow<br>
</font>
<div class="m_6846868189903482482moz-signature">
<div class="m_6846868189903482482moz-signature">
<div class="m_6846868189903482482moz-signature"> <font
color="#666666" face="Cantarell" size="-1"> </font>
<p><font color="#666666" face="Cantarell"
size="-1">Department of Mathematics</font></p>
<font color="#666666" face="Cantarell" size="-1">
</font>
<p><font color="#666666" face="Cantarell"
size="-1">Rhodes University</font></p>
<p><font color="#666666"><font size="-1"><font
face="Cantarell">Room 5</font></font></font></p>
<p><font color="#666666"><font size="-1"><font
face="Cantarell"> Ph: +27 46 603 8932</font></font></font></p>
<p><font color="#666666"><font size="-1"><font
face="Cantarell">Web: <a
href="http://www.chrisdoesmaths.com"
target="_blank" moz-do-not-send="true">www.chrisdoesmaths.com</a></font></font></font></p>
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-- <br>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr">
<div>Erik Schnetter <<a href="mailto:schnetter@cct.lsu.edu"
target="_blank" moz-do-not-send="true">schnetter@cct.lsu.edu</a>><br>
<a
href="http://www.perimeterinstitute.ca/personal/eschnetter/"
target="_blank" moz-do-not-send="true">http://www.perimeterinstitute.ca/personal/eschnetter/</a></div>
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</blockquote>
<br>
<div class="moz-signature">-- <br>
<font color="#666666" face="Cantarell" size="-1">Dr Chris Stevens<br>
<br>
Claude Leon Postdoctoral Fellow<br>
</font>
<div class="moz-signature">
<div class="moz-signature">
<div class="moz-signature"> <font color="#666666"
face="Cantarell" size="-1"> </font>
<p><font color="#666666" face="Cantarell" size="-1">Department
of Mathematics</font></p>
<font color="#666666" face="Cantarell" size="-1"> </font>
<p><font color="#666666" face="Cantarell" size="-1">Rhodes
University</font></p>
<p><font color="#666666"><font size="-1"><font
face="Cantarell">Room 5</font></font></font></p>
<p><font color="#666666"><font size="-1"><font
face="Cantarell"> Ph: +27 46 603 8932</font></font></font></p>
<p><font color="#666666"><font size="-1"><font
face="Cantarell">Web: <a moz-do-not-send="true"
href="http://www.chrisdoesmaths.com">www.chrisdoesmaths.com</a></font></font></font></p>
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