Intel® MPI Library Reference Manual for Linux* OS
Select the runtime compatibility mode.
Syntax
Arguments
<value> |
Define compatibility mode |
not defined |
Enable MPI-2.2 standard compatibility. This is the default mode |
3 |
Enable the Intel® MPI Library 3.x compatible mode |
4 |
Enable the Intel® MPI Library 4.0.x compatible mode |
Description
Set this environment variable to choose the Intel® MPI runtime compatible mode. By default, the library complies with the MPI-2.2 standard. If your application depends on the MPI-2.1 behavior, set the value of the environment variable I_MPI_COMPATIBILITY to 4. If your application depends on the pre-MPI-2.1 behavior, set the value of the environment variable I_MPI_COMPATIBILITY to 3.