Thank You so much sir. I will discuss about this with y Supervisor and will proceed accordingly
On Fri, Apr 6, 2018 at 5:42 PM, Michael Di Domenico <mdidomeni...@gmail.com> wrote: > On Thu, Apr 5, 2018 at 7:59 PM, Gilles Gouaillardet > <gilles.gouaillar...@gmail.com> wrote: > > That being said, the error suggest mca_oob_ud.so is a module from a > > previous install, > > Open MPI was not built on the system it is running, or libibverbs.so.1 > > has been removed after > > Open MPI was built. > > yes, understood, i compiled openmpi on a node that has all the > libraries installed for our various interconnects, opa/psm/mxm/ib, but > i ran mpirun on a node that has none of them > > so the resulting warnings i get > > mca_btl_openib: lbrdmacm.so.1 > mca_btl_usnic: libfabric.so.1 > mca_oob_ud: libibverbs.so.1 > mca_mtl_mxm: libmxm.so.2 > mca_mtl_ofi: libfabric.so.1 > mca_mtl_psm: libpsm_infinipath.so.1 > mca_mtl_psm2: libpsm2.so.2 > mca_pml_yalla: libmxm.so.2 > > you referenced them as "errors" above, but mpi actually runs just fine > for me even with these msgs, so i would consider them more warnings. > > > So I do encourage you to take a step back, and think if you can find a > > better solution for your site. > > there are two alternatives > > 1 i can compile a specific version of openmpi for each of our clusters > with each specific interconnect libraries > > 2 i can install all the libraries on all the machines regardless of > whether the interconnect is present > > both are certainly plausible, but my effort here is to see if i can > reduce the size of our software stack and/or reduce the number of > compiled versions of openmpi > > it would be nice if openmpi had (or may already have) a simple switch > that lets me disable entire portions of the library chain, ie this > host doesn't have a particular interconnect, so don't load any of the > libraries. this might run counter to how openmpi discovers and load > libs though. > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users >
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