···138138139139- [MPICH](https://www.mpich.org/), attribute name `mpich`
140140141141+- [MVAPICH](https://mvapich.cse.ohio-state.edu/), attribute name `mvapich`
142142+141143To provide MPI enabled applications that use `MPICH`, instead of the default `Open MPI`, simply use the following overlay:
142144143145```nix