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<p class="MsoNormal"><span style="font-size:11.0pt">Hi </span><span style="font-size:11.0pt">Nicky,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">    Thanks for bringing this to our attention. We will take a look at the issue and get back to you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">-Akshay Paniraja Guptha<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Mvapich-discuss <mvapich-discuss-bounces+panirajaguptha.1=osu.edu@lists.osu.edu>
<b>On Behalf Of </b>Sandhu, Prabhjot(Nicky)@DWR via Mvapich-discuss<br>
<b>Sent:</b> Monday, July 1, 2024 11:09 AM<br>
<b>To:</b> mvapich-discuss@lists.osu.edu<br>
<b>Subject:</b> [Mvapich-discuss] Azure HBv4 mpi failure<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">I compiled my code against the lastest alma linux 8.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">7
 and mvapich2-2.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">3.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">7-1
 on Azure. The code performs very well when using HBv2-series or HBv3-series, however it fails when using HBv4-series with the following warning at start of the mpirun
<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black">This Message Is From an External Sender
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">This message came from outside your organization.
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<p class="MsoNormal">  <a href="https://us-phishalarm-ewt.proofpoint.com/EWT/v1/KGKeukY!vwQd8KYtD6YBRRdwHw6EV0aWa55VqchYa6vUfyrQOMdRLL_8lHrZBbPbYN_-gN834RuZELsLWzwMp5nBiL-SlwKReoIcVyPNuJQofSkwUMvSkKQC0UOv_yL6Qg_TEb6BpkGtdkzViUYLNmIPCWt0qQ$" target="_blank"><strong><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black;border:solid #666666 1.0pt;padding:6.0pt;font-weight:normal;text-decoration:none">  Report Suspicious  </span></strong></a>  ‌
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<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">I compiled my code against the lastest alma linux 8.7 and mvapich2-2.3.7-1 on Azure. The code performs very well when using</span><a href="https://urldefense.com/v3/__https:/learn.microsoft.com/en-us/azure/virtual-machines/sizes/high-performance-compute/hb-family*hbv2-series__;Iw!!KGKeukY!wHkEMZ0eG8-_lzRbW3pQoiNeTm2zvI6k4mCGcQ5RhL_zSzxaLb28swQvFn_sXZm35ID-u19N9dXDw0rWbGB0sUpj2J05VChdBNmn6MzFmg$"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">
<b>HBv2-series</b></span></a><span style="font-size:11.0pt;mso-ligatures:standardcontextual"> or
</span><a href="https://urldefense.com/v3/__https:/learn.microsoft.com/en-us/azure/virtual-machines/sizes/high-performance-compute/hb-family*hbv3-series__;Iw!!KGKeukY!wHkEMZ0eG8-_lzRbW3pQoiNeTm2zvI6k4mCGcQ5RhL_zSzxaLb28swQvFn_sXZm35ID-u19N9dXDw0rWbGB0sUpj2J05VChdBNl1qZThrw$"><b><span style="font-size:11.0pt;mso-ligatures:standardcontextual">HBv3-series</span></b></a><span style="font-size:11.0pt;mso-ligatures:standardcontextual">,
 however it fails when using </span><a href="https://urldefense.com/v3/__https:/learn.microsoft.com/en-us/azure/virtual-machines/sizes/high-performance-compute/hb-family*hbv4-series__;Iw!!KGKeukY!wHkEMZ0eG8-_lzRbW3pQoiNeTm2zvI6k4mCGcQ5RhL_zSzxaLb28swQvFn_sXZm35ID-u19N9dXDw0rWbGB0sUpj2J05VChdBNmJDg7Qiw$"><b><span style="font-size:11.0pt;mso-ligatures:standardcontextual">HBv4-series</span></b></a><span style="font-size:11.0pt;mso-ligatures:standardcontextual">
 with the following warning at start of the mpirun after which the application code also fails.<b><o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">[get_link_speed] Invalid link speed 128<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">Has anyone seen this message? Are there any env vars or config vars to be set?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Nicky<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
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