Product Documentation

Configuration Files

Configuration Files

The mpiexec configuration files specify the default options applied to all mpiexec commands.  

If any of these files exist, their contents are prefixed to the command-line options for mpiexec in the following order:

Local Options

Local Options

-n <# of processes> or -np <# of processes> 

Use this option to set the number of MPI processes to run with the current arg-set.

-env <ENVVAR> <value> 

Local Options

Local Options 

-n <# of processes> or -np <# of processes> 

Use this option to set the number of MPI processes to run with the current argument set.

-env <ENVVAR> <value> 

Dynamic Process Support

Dynamic Process Support

The Intel® MPI Library provides support for the MPI-2 process model that allows creation and cooperative termination of processes after an MPI application has started. It provides the following: 

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