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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Ken<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:black">I don't think I can easily replicate the compile problem. &nbsp;Could someone (Rich?) please volunteer to accept a patch and attempt to compile it rather than have
 me spin my wheels trying to install an old version of MPI on something?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">&lt;&lt;<o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I’d just like to say using MPI_IN_PLACE is a great way of saving on memory copies and there is a reason why newer versions of MPI have it; it’s better.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Constantly making compromises to support old versions is (in my opinion) bad practice.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I’d vote (and I know that nobody agrees with me) to not support older MPI versions. Let people upgrade their MPI rather than bloat code by patching for this.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">I feel quite strongly about this and will happily contribute a CMake check for MPI_IN_PLACE which will tell the user at cmake time that their MPI is unsupported
 and they need to upgrade.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">JB<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Courier New&quot;;color:#1F497D">--
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Courier New&quot;;color:#1F497D">John Biddiscombe,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; email:biddisco @ cscs.ch<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Courier New&quot;;color:#1F497D"><a href="http://www.cscs.ch/">http://www.cscs.ch/</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:&quot;Courier New&quot;;color:#1F497D">CSCS, Swiss National Supercomputing Centre&nbsp; | Tel:&nbsp; &#43;41 (91) 610.82.07<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH" style="font-size:10.5pt;font-family:&quot;Courier New&quot;;color:#1F497D">Via Cantonale, 6928 Manno, Switzerland&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | Fax:&nbsp; &#43;41 (91) 610.82.82<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH" style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span></p>
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