mpiexec

launches MPI parallel programs

Run MPI program

$ mpiexec -n [4] [program]

Run on hosts

$ mpiexec -n [8] -f [hostfile] [program]

mpiexec [options] program [args...]

mpiexec launches MPI parallel programs. Standard MPI process launcher. Functionally similar to mpirun with slightly different options.

-n num

Number of processes.

-f file

Host file.

-host host

Run on specific host.

-env var value

Set environment variable.