[OMPI users] Which PML and BTL components are actually used?

Hi, I'm now debugging my MPI programs. The program crashes when a certain PML or BTLs are used (I guess). For example, $ mpiexec ./prog# works $ mpiexec --mca btl openib ./prog # works $ mpiexec --mca btl openib,vader,self ./prog # crash $ mpiexec --mca pml ucx ./prog # works So, I woul

Re: [OMPI users] Error with OpenMPI: Could not resolve generic procedure mpi_irecv

Thanks Jeff for the resolution. On Mon, Aug 19, 2019 at 7:45 PM Jeff Squyres (jsquyres) wrote: > On Aug 19, 2019, at 6:15 AM, Sangam B via users > wrote: > > > > subroutine recv(this,lmb) > > class(some__example6), intent(inout) :: this > > integer, intent(in) :: lmb(2,2) > > > > i