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<p class="MsoNormal">The ubuntu package is here: <a href="https://packages.ubuntu.com/focal/libpmix-dev">
https://packages.ubuntu.com/focal/libpmix-dev</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Yes, we rewrote the service files (<a href="https://github.com/NVIDIA/nephele-packages/blob/master/slurm/debian/PACKAGE-control.slurmctld.service">see here</a>) and we let debhelper install them to the appropriate location.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It seems like you’re wanting to simply get a development build going rather than building packages for distribution. Nonetheless, reading through the packaging files here might help because it shows how to build recent slurm on recent ubuntu/Debian:
<a href="https://github.com/NVIDIA/nephele-packages/tree/master/slurm">https://github.com/NVIDIA/nephele-packages/tree/master/slurm</a>
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<p class="MsoNormal"><b>From:</b> slurm-users <slurm-users-bounces@lists.schedmd.com>
<b>On Behalf Of </b>Avery Grieve<br>
<b>Sent:</b> Thursday, December 10, 2020 10:18 AM<br>
<b>To:</b> Slurm User Community List <slurm-users@lists.schedmd.com><br>
<b>Subject:</b> Re: [slurm-users] slurm-wlm package OpenMPI PMIx implementation<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">External email: Use caution opening links or attachments</span></b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">
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<p class="MsoNormal">Hey Luke, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks for the response. I should have mentioned I'm on debian. What's the name of the ubuntu package for pmix? I'll see if I can track down the debian equivalent. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">When you build slurm from scratch you have to place the .service files into /etc/init.d and the daemon files in /etc/systemd/system, right? When I tried building from source it didn't do that for me (even as root). Not sure if intended
or if I was missing something. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks<o:p></o:p></p>
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<p class="MsoNormal">-ave<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Dec 10, 2020, 1:11 PM Luke Yeager <<a href="mailto:lyeager@nvidia.com">lyeager@nvidia.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi Avery,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<li class="m-3057965264147123133msolistparagraph" style="mso-list:l0 level1 lfo1">
pmix: we just use the standard Ubuntu packages on 20.04. Unfortunately the standard packages on 18.04 are too out of date for us.<o:p></o:p></li><li class="m-3057965264147123133msolistparagraph" style="mso-list:l0 level1 lfo1">
openmpi: we build our own, using ./configure --with-pmix=internal …<o:p></o:p></li><li class="m-3057965264147123133msolistparagraph" style="mso-list:l0 level1 lfo1">
slurm: we build our own, using ./configure --with-pmix=PATH … (<a href="https://github.com/NVIDIA/nephele-packages/blob/42145aef4bbe2cff335a1fca222766232dab7aa7/slurm/debian/rules#L41" target="_blank">see here</a>)<o:p></o:p></li></ul>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Then we can set MpiDefault=pmix (<a href="https://github.com/NVIDIA/nephele/blob/1d79977164d5ef1418466bfb322d59d502c18e8f/ansible/roles/slurm/templates/etc/slurm/slurm.conf.default#L87" target="_blank">see
here</a>) and it works.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">$ srun --mpi=list</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">srun: MPI types are...</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">srun: cray_shasta</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">srun: pmi2</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">srun: pmix_v3</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">srun: pmix</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:Consolas">srun: none</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hope that helps,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Luke<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> slurm-users <<a href="mailto:slurm-users-bounces@lists.schedmd.com" target="_blank">slurm-users-bounces@lists.schedmd.com</a>>
<b>On Behalf Of </b>Avery Grieve<br>
<b>Sent:</b> Thursday, December 10, 2020 7:52 AM<br>
<b>To:</b> <a href="mailto:slurm-users@lists.schedmd.com" target="_blank">slurm-users@lists.schedmd.com</a><br>
<b>Subject:</b> [slurm-users] slurm-wlm package OpenMPI PMIx implementation<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">External email: Use caution opening links or attachments</span></b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi Forum,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I've been putting together an ARM cluster for fun/learning and I've been a bit lost about how to get OpenMPI and slurm to behave together.
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I have installed the
<a href="https://packages.debian.org/buster/slurm-wlm" target="_blank">slurm-wlm package
</a>from the Debian apt search and compiled OpenMPI from source on my compute nodes. OpenMPI has been compiled with the option --with-slurm and the configure time log indicates openmpi has pmix v3 built in. I thought that would be enough for slurm and calling
a job with "srun -n 4 -N1 executable" (with slurm.conf having MpiDefault=pmix_v3) would be enough.
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Not the case, unfortunately as slurm doesn't have any idea what pmix_v3 means without being compiled against it I guess. I have also attempted to compile openmpi from source with
the --with-pmi option but the slurm-wlm package doesn't install any of the libraries/headers (pmi.h pmi2.h pmix.h etc). Neither does any of the slurm-llnl develop packages, so I'm at a loss of what to do here.
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">A few notes: OpenMPI is working across my compute nodes. I'm able to ssh to my compute node and start a job manually with mpirun that executes successfully across the nodes. My
slurmctld and slurmd daemons work for single thread resource allocation (and presumably OpenMP multithreading, though I haven't tested this).<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Beyond compiling slurm from source (assuming this installs the pmi headers that I can use to build openmpi), which I have tried with no luck on my devices, is there a way to get
slurm and openmpi to behave together using the precompiled package slurm-wlm?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thank you,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">~Avery Grieve<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">They/Them/Theirs please!<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">University of Michigan<o:p></o:p></p>
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