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<p class="MsoNormal">Hi Sabu,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Could you try configure MPICH with `--with-device=ch4:ucx`?<o:p></o:p></p>
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<p class="MsoNormal">-- <br>
Hui Zhou<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Sabu Best via discuss <discuss@mpich.org><br>
<b>Reply-To: </b>"discuss@mpich.org" <discuss@mpich.org><br>
<b>Date: </b>Wednesday, July 1, 2020 at 6:12 AM<br>
<b>To: </b>"discuss@mpich.org" <discuss@mpich.org><br>
<b>Cc: </b>Sabu Best <Sabu.Best@barbados.gov.bb><br>
<b>Subject: </b>[mpich-discuss] MPI over infiniband<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p>Good day to all,<o:p></o:p></p>
<p><o:p> </o:p></p>
<p> Question, we have been trying to use MPICH over infiniband fabric, but we can't seem to get it to work unless it is IPoIB. We have seen options in OpenMPI that automatically selects Infiniband as the first choice path, but I don't see anything similar
for MPICH.<o:p></o:p></p>
<p>Looking forward to your input on this.<o:p></o:p></p>
<p><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:gray">Thanks!</span><o:p></o:p></p>
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