There is PMI 1.1 support in mpi/pmi2 plugin. So mvapich2 programs with simplepmi will work with mpi/pmi2.
在 2013-08-05一的 05:33 -0700，Janne Blomqvist写道： > Hi, > > I'm trying out the MPI integration in slurm 2.5.7, and I stumbled upon > something weird with mvapich2 and pmi2. > > While the MPI guide at http://slurm.schedmd.com/mpi_guide.html#mvapich2 > says that one should link with "-lpmi" and use "srun --mpi=none" instead > of pmi2 that is recommended for mpich, mvapich2 is related to mpich and > recent versions should thus support the new pmi2 as well. > > Now, our mvapich2 version 1.9 installation has not been built with pmi2 > support; mpirun -info shows: > > Process Manager: pmi > Launchers available: ssh rsh fork slurm ll lsf > sge manual persist > Resource management kernels available: user slurm ll lsf sge pbs > cobalt > > Looking at the mpi library with readelf shows there are no symbols named > "PMI2*", plenty of "PMI*" symbols though. > > However, just for kicks I did launch a test job with "srun --mpi=pmi2", > and surprisingly, it appears to work. For comparison, the documented > "srun --mpi=none" and linking the application with "-lpmi" also works, > while other more or less nonsensical combinations don't work, as > expected. Any idea what's going on? Is this some kind of backwards > compatibility in the pmi2 support and it's supposed to work, or does it > somehow work just by chance and will likely break in the future? > >
