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Thank you folks. I'd have loved to get an older libfabric, but an
oldish kernel version at MN4 prevented me from compiling a more
recent one.<br>
<br>
I'll give your suggestions a try once I get the chance to spend some
more time on this.<br>
<br>
Toni<br>
<br>
<br>
<div class="moz-cite-prefix">El 16/6/21 a las 21:47, Zhou, Hui
escribió:<br>
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<p class="MsoNormal">Yeah, as Wesley suggested, it will shed
more light if you try
<span style="color:black">set the environment variable
MPIR_CVAR_CH4_OFI_CAPABILITY_SETS_DEBUG and get some
diagnostics. We haven’t tested against such old libfabric
for a while so some discrepancy in the capability set may
have crept in.</span><o:p></o:p></p>
<p class="MsoNormal"><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"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in"><b><span
style="font-size:12.0pt;color:black">From: </span></b><span
style="font-size:12.0pt;color:black">Bland, Wesley via
discuss <a class="moz-txt-link-rfc2396E" href="mailto:discuss@mpich.org"><discuss@mpich.org></a><br>
<b>Date: </b>Wednesday, June 16, 2021 at 8:47 AM<br>
<b>To: </b>Antonio J. Peña <a class="moz-txt-link-rfc2396E" href="mailto:antonio.pena@bsc.es"><antonio.pena@bsc.es></a><br>
<b>Cc: </b>Bland, Wesley <a class="moz-txt-link-rfc2396E" href="mailto:wesley.bland@intel.com"><wesley.bland@intel.com></a>,
MPICH Discuss <a class="moz-txt-link-rfc2396E" href="mailto:discuss@mpich.org"><discuss@mpich.org></a><br>
<b>Subject: </b>Re: [mpich-discuss] libfabric+psm2
performance<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span
style="font-size:13.5pt;font-family:"-webkit-standard",serif;color:black">If
you set the environment variable
MPIR_CVAR_CH4_OFI_CAPABILITY_SETS_DEBUG, it will print out
the capability set (and provider) that MPICH is using so you
can confirm.</span><o:p></o:p></p>
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<br>
<pre class="moz-signature" cols="72">--
Antonio J. Peña (PhD)
Team Lead, Accelerators and Communications for HPC | Teaching and Research Staff
Sr. Researcher, Computer Sciences Department | Computer Architecture Department
Barcelona Supercomputing Center (BSC) | Universitat Politècnica de Catalunya (UPC)
<a class="moz-txt-link-freetext" href="http://www.bsc.es/pena-antonio">http://www.bsc.es/pena-antonio</a>
===============================
Looking for job opportunities? Open positions in my team. Please contact me.</pre>
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