Intel MPI on Windows

The Windows Intel oneAPI compilers present Visual Studio-like command line options. Intel oneAPI toolkit includes the Intel MPI library, which provides “mpiexec” needed to run MPI programs and MPI compiler wrappers. Windows MPI users can use Intel compilers in WSL or native Windows MPI with Intel oneAPI.

The Intel oneAPI command prompt environment can be used or use a script to enable oneAPI in PowerShell.

Intel MPI has"mpiicx", “mpiicpx” and “mpiifx” compiler wrappers.

Intel MPI on Windows is only for Intel oneAPI compiler and Visual Studio.

Expert options

Although usually not needed, a separate username can be used for Windows Intel MPI jobs by from Command Prompt:

runas /user:username cmd

Environment variables are not passed to the new window, so it may be necessary to run Intel compilervars.bat again. It’s possible to register the user credential in the Windows registry.