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<p class="MsoNormal">Jesse Jen,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Could you try <span style="font-family:"Arial",sans-serif;color:black">
./configure --prefix=/home/jje/mpich-install </span>–with-device=ch4:ofi?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-- <br>
Hui Zhou<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Jesse Jen via discuss <discuss@mpich.org><br>
<b>Date: </b>Thursday, January 28, 2021 at 4:43 PM<br>
<b>To: </b>discuss@mpich.org <discuss@mpich.org><br>
<b>Cc: </b>Jesse Jen <jessejenjj@gmail.com><br>
<b>Subject: </b>[mpich-discuss] Download Help<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in">I am currently downloading the latest version of mpich on a ubuntu machine. I am having trouble configuring (step 1d) as I do not understand the error messages. How do i proceed? The error message I receive at the
bottom is:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">This is the input:<o:p></o:p></p>
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<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black">root@master:/home/jje/mpich-3.4rc1# ./configure --prefix=/home/jje/mpich-install 2>&1 | tee c.txt</span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"><br>
<br>
</span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
The error message I receive at the bottom is: <o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<o:p> </o:p></p>
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<span style="font-family:"Arial",sans-serif;color:black">configure: error: no ch4 netmod selected</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> The default ch4 device could not detect a preferred network</span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> library. Supported options are ofi (libfabric) and ucx:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> --with-device=ch4:ofi or --with-device=ch4:ucx</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> Configure will use an embedded copy of libfabric or ucx if one is</span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> not found in the user environment. An installation can be specified</span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> by adding</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> --with-libfabric=<path/to/install> or --with-ucx=<path/to/install></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> to the configuration.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> The previous MPICH default device (ch3) is also available and</span><o:p></o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> supported with option:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in">
<span style="font-family:"Arial",sans-serif;color:black"> --with-device=ch3</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Here is a imgur link with everything in between:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="https://imgur.com/a/RvuALd0">https://imgur.com/a/RvuALd0</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Thank You<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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