/usr/share/gridengine/mpi/ is in gridengine-common 8.1.9+dfsg-7build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gridengine/mpi/README
/usr/share/gridengine/mpi/Scali-MPI/
/usr/share/gridengine/mpi/Scali-MPI/README
/usr/share/gridengine/mpi/Scali-MPI/Scali_Resume.sh
/usr/share/gridengine/mpi/Scali-MPI/Scali_Suspend.sh
/usr/share/gridengine/mpi/hostname
/usr/share/gridengine/mpi/mpi.sh
/usr/share/gridengine/mpi/mpi_cpi.sh
/usr/share/gridengine/mpi/mpich.template
/usr/share/gridengine/mpi/myrinet/
/usr/share/gridengine/mpi/myrinet/README
/usr/share/gridengine/mpi/myrinet/README.x
/usr/share/gridengine/mpi/myrinet/gmps
/usr/share/gridengine/mpi/myrinet/mpich.template
/usr/share/gridengine/mpi/myrinet/mpich_multi.template
/usr/share/gridengine/mpi/myrinet/sge_mpirun
/usr/share/gridengine/mpi/myrinet/sge_mpirun.x
/usr/share/gridengine/mpi/myrinet/startmpi.sh
/usr/share/gridengine/mpi/myrinet/startmpi.sh.x
/usr/share/gridengine/mpi/myrinet/stopmpi.sh
/usr/share/gridengine/mpi/rsh
/usr/share/gridengine/mpi/startmpi.sh
/usr/share/gridengine/mpi/stopmpi.sh