Unless you are using OSMEM I do not recommend using UCX on a Cray. You will likely get better performance with the built-in uGNI support.
-Nathan > On Jun 25, 2019, at 1:51 AM, Passant A. Hafez via users > <firstname.lastname@example.org> wrote: > > Thanks Gilles! > > The thing is I'm having this error > ud_iface.c:271 UCX Assertion `qp_init_attr.cap.max_inline_data >= > UCT_UD_MIN_INLINE' failed > and core files. > > I looked that up and it was suggested here > https://github.com/openucx/ucx/issues/3336 that the UCX 1.6 might solve this > issue, so I tried the pre-release version to just check if it will. > > > > > All the best, > -- > Passant > > ________________________________________ > From: users <users-boun...@lists.open-mpi.org> on behalf of Gilles > Gouaillardet via users <email@example.com> > Sent: Tuesday, June 25, 2019 11:27 AM > To: Open MPI Users > Cc: Gilles Gouaillardet > Subject: Re: [OMPI users] undefined reference error related to ucx > > Passant, > > UCX 1.6.0 is not yet officially released, and it seems Open MPI > (4.0.1) does not support it yet, and some porting is needed. > > Cheers, > > Gilles > > On Tue, Jun 25, 2019 at 5:13 PM Passant A. Hafez via users > <firstname.lastname@example.org> wrote: >> >> Hello, >> >> >> I'm trying to build ompi 4.0.1 with external ucx 1.6.0 but I'm getting >> >> >> ../../../opal/.libs/libopen-pal.so: undefined reference to >> `uct_ep_create_connected' >> collect2: error: ld returned 1 exit status >> >> configure line for ompi >> ./configure --prefix=/opt/ompi401_ucx16 --with-slurm --with-hwloc=internal >> --with-pmix=internal --enable-shared --enable-static --with-x >> --with-ucx=/opt/ucx-1.6.0 >> >> configure line for ucx >> ./configure --prefix=/opt/ucx-1.6.0 >> >> >> What could be the reason? >> >> >> >> >> >> >> All the best, >> -- >> Passant >> _______________________________________________ >> users mailing list >> email@example.com >> https://lists.open-mpi.org/mailman/listinfo/users > _______________________________________________ > users mailing list > firstname.lastname@example.org > https://lists.open-mpi.org/mailman/listinfo/users > _______________________________________________ > users mailing list > email@example.com > https://lists.open-mpi.org/mailman/listinfo/users _______________________________________________ users mailing list firstname.lastname@example.org https://lists.open-mpi.org/mailman/listinfo/users