Hey Jeff, I will help with the OFI part.
Thanks, _MAC -----Original Message----- From: users [mailto:users-boun...@lists.open-mpi.org] On Behalf Of Jeff Squyres (jsquyres) via users Sent: Thursday, June 14, 2018 12:50 PM To: Open MPI User's List <users@lists.open-mpi.org> Cc: Jeff Squyres (jsquyres) <jsquy...@cisco.com> Subject: Re: [OMPI users] A couple of general questions Yeah, keeping the documentation / FAQ up to date is... difficult. :-( We could definitely use some help with that. Does anyone have some cycles to help update our FAQ, perchance? > On Jun 14, 2018, at 11:08 AM, Charles A Taylor <chas...@ufl.edu> wrote: > > Thank you, Jeff. > > The ofi MTL with the verbs provider seems to be working well at the moment. > I’ll need to let it run a day or so before I know whether we can avoid the > deadlocks experienced with the straight openib BTL. > > I’ve also built-in UCX support so I’ll be trying that next. > > Again, thanks for the response. > > Oh, before I forget and I hope this doesn’t sound snarky, but how does the > community find out that things like UCX and libfabric exist as well as how to > use them when the FAQs on open-mpi.org don’t have much information beyond the > now ancient 1.8 series? Afterall, this is hardly your typical “mpiexec” > command line… > > mpirun -mca pml cm -mca mtl ofi -mca mtl_ofi_provider_include > “verbs;ofi_rxm ...” , > > if you get my drift. Even google doesn’t seem to know all that much about > these things. I’m feeling more than a little ignorant these days. :) > > Thanks to all for the responses. It has been a huge help. > > Charlie > >> On Jun 14, 2018, at 1:18 PM, Jeff Squyres (jsquyres) via users >> <users@lists.open-mpi.org> wrote: >> >> Charles -- >> >> It may have gotten lost in the middle of this thread, but the >> vendor-recommended way of running on InfiniBand these days is with UCX. >> I.e., install OpenUCX and use one of the UCX transports in Open MPI. Unless >> you have special requirements, you should likely give this a try and see if >> it works for you. >> >> The libfabric / verbs combo *may* work, but I don't know how robust the >> verbs libfabric support was in the v1.5 release series. > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users -- Jeff Squyres jsquy...@cisco.com _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users
