FWIW: we also automatically detect that the application is a singularity container and do the right stuff
> On Dec 12, 2018, at 12:25 AM, Gilles Gouaillardet <gil...@rist.or.jp> wrote: > > My understanding is that MPI tasks will be launched inside a singularity > container. > > In a typical environment, mpirun spawns an instance of the orted on each > node, and then each orted daemon (or mpirun on the local node) fork&exec the > MPI tasks (a.out) > > > With singularity, orted would fork&exec a container running a.out > > (not sure if it is one container per task, or one container per node) > > > Cheers, > > > Gilles > > On 12/10/2018 5:00 AM, Johnson, Glenn P wrote: >> Greetings, >> >> Could someone explain, or point to documentation that explains, what the >> --with-singularity option enables with regard to OpenMPI support for >> singularity containers? >> >> Thanks. >> >> Glenn Johnson >> >> _______________________________________________ >> 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 _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users