This page shows the process of running Ansys Lumerical simulations on Windows using Intel MPI as the Job launching preset.
Using Intel MPI on localhost
When Intel MPI is selected as the "Job launching preset", the resource configuration automatically configures the job manager with the options below to allow running with Intel MPI on the local computer (localhost).
mpiexec.exe -noprompt -localroot
See also
Configuring resources for parallel jobs across several computers on Windows