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Hi there, A few questions: 1. Building MPAPICH2 2. 3. 7-1 on CentOS 7. 9 with the inbox drivers, and I’m running into a problem where if libibmad-devel/infiniband-diags-devel is installed, MVAPICH2 then won’t run properly on compute nodes that
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Hi there,
<div><br>
</div>
<div>A few questions:</div>
<div><br>
</div>
<div>1. Building MPAPICH2 2.3.7-1 on CentOS 7.9 with the inbox drivers, and I’m running into a problem where if libibmad-devel/infiniband-diags-devel is installed, MVAPICH2 then won’t run properly on compute nodes that do not have this package (instead having
both <a href="https://urldefense.com/v3/__http://libibmad.so__;!!KGKeukY!2mUVRORgh0PpVCStethBPpFJL_oW6WC1uM5uqph8wz5n3gpRQkXn9HnE2I6DGOGnoH1fG4YKCGjVlW-HHThlF-19egjC2AM$">libibmad.so</a>.5.5.0 and <a href="https://urldefense.com/v3/__http://libibmad.so__;!!KGKeukY!2mUVRORgh0PpVCStethBPpFJL_oW6WC1uM5uqph8wz5n3gpRQkXn9HnE2I6DGOGnoH1fG4YKCGjVlW-HHThlF-19egjC2AM$">
libibmad.so</a>.5, provided by libibmad/infiniband-diags). As far as I can tell, this is new behavior, and is probably not intentional. If I remove that package, I get a build that does not have that dependency, but it’s not entirely clear to me whether it’s
using Infiniband/RDMA at that point. In any case, What can be done about it? </div>
<div><br>
</div>
<div>2. My build is the following:</div>
<div><br>
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<div>../mvapich2-2.3.7-1/configure --with-hwloc=2 --with-pmi=pmi2 --with-pmi=pmix --with-pmix=/opt/ohpc/admin/pmix --with-pm=slurm --prefix=/opt/sw/packages/gcc-4_8/mvapich2/2.3.7-1</div>
<div><br>
</div>
<div>As far as I can tell, --with-pmi=pmi2 is getting ignored here, and if I try srun --mpi=pmi2, I get a segfault (mix/pmix_v4 works). Is there actually a way to build a copy that will work with either PMI2 or PMIx? It will be helpful for nudging users over
the fence.</div>
<div><br>
</div>
<div>3. Also, I have both hwloc 1.11.8 and 2.9.0 installed. Not clear to me if it’s clearly better to use one or the other. I imagine the newer is preferred, but at our site, it’s loaded via a module, so a little less convenient. </div>
<div><br>
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<div>Thanks!</div>
<div><br>
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--<br>
#BlackLivesMatter</div>
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____<br>
|| \\UTGERS, |---------------------------*O*---------------------------<br>
||_// the State<span class="Apple-tab-span" style="white-space: pre;"> </span> | Ryan Novosielski - novosirj@rutgers.edu<br>
|| \\ University | Sr. Technologist - 973/972.0922 (2x0922) ~*~ RBHS Campus<br>
|| \\ of NJ<span class="Apple-tab-span" style="white-space: pre;"> </span> | Office of Advanced Research Computing - MSB A555B, Newark<br>
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