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<p class="MsoNormal"><span style="font-size:11.0pt">This seems to work.<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">Server: fi_rma_bw -s 192.168.2.200 -d mlx5_0-dgram -p verbs<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Client : fi_rma_bw -s 192.168.2.100 -d mlx5_2-dgram 192.168.2.200 -p verbs<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"><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" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Libfabric-users <libfabric-users-bounces@lists.openfabrics.org> on behalf of Anders Dam Jensen <anders@damjensen.name><br>
<b>Date: </b>Sunday, August 11, 2024 at 4:25</span><span style="font-family:"Arial",sans-serif;color:black"> </span><span style="color:black">AM<br>
<b>To: </b>libfabric-users@lists.openfabrics.org <libfabric-users@lists.openfabrics.org><br>
<b>Subject: </b>[libfabric-users] FI_EP_DGRAM using fi_verbs provider<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="DA" style="font-size:11.0pt;color:#212121">Hi Libfabric community,</span><span style="font-size:11.0pt;color:#212121"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DA" style="font-size:11.0pt;color:#212121"> </span><span style="font-size:11.0pt;color:#212121"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">Can anyone point me to an example of how to use DGRAM with the fi_verbs provider?<span class="gmail-apple-converted-space"> </span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">I have no problem getting DGRAM to work with the fi_udp provider, but when I move the code to verbs, the address resolution fails.<span class="gmail-apple-converted-space"> </span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">I can see that DGRAM supports/needs FI_ADDR_IB_UD, but I am unable to add such addresses to the AV.<span class="gmail-apple-converted-space"> </span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">Furthermore, the verbs provider doc refers to variables specific to DGRAM endpoints:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">FI_VERBS_DGRAM_USE_NAME_SERVER: The option that enables/disables OFI Name Server thread. The NS thread is used to resolve IP-addresses to provider specific addresses (default: 1, if “OMPI_COMM_WORLD_RANK”
and “PMI_RANK” environment variables aren’t defined)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">FI_VERBS_NAME_SERVER_PORT:<span class="gmail-apple-converted-space"> </span>The port on which Name Server thread listens incoming connections and requests (default: 5678)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DA" style="font-size:11.0pt;color:#212121"> </span><span style="font-size:11.0pt;color:#212121"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">This makes it sound like ip address resolution should work, but I cannot find any documentation on this.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121">Thanks Anders<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#212121"> <o:p></o:p></span></p>
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