0
1
2
3
4
5
{0 => "SERIAL", 1 => "MPI", 2 => "OPENMP", 3 => "OPENMP_MPI", 4 => "CCM", 5 => "CRAY_MPI"}
Set.new([SERIAL, MPI, OPENMP, OPENMP_MPI, CCM, CRAY_MPI]).freeze