Please see the Prerequisites page for details of what other software is required to be able to run OpenIFS.
OpenIFS is predominantly fortran code with a small amount of C and requires some flavour of Unix (such as Linux). It is known to run on a number of systems, some of which are directly supported by ECMWF.
The following table details what combinations have been tested and the support level:
| Operating System | Supported Compilers | Support level | MPI |
|---|---|---|---|
| Linux/Unix x86_64 (64 bit2) | gfortran (v4.5 & above)1 | OpenMPI | |
| Intel : ifort (v12.1.0) | |||
| Portland : pgf90 (v12.3) | |||
| Cray : ftn | |||
| AIX | IBM : xlf (v11.1) | IBM Parallel Environment | |
| Mac OS X (not yet tested) |
| Support level | |
|---|---|
| Good support; all test cases will be verified at each release | |
| Medium support; not all test cases may be run depending on local resources. | |
| Minimal support. No equivalent system available at ECMWF. Relies on access to external systems or user tests. |
Notes:
- gfortran version must be at least 4.5. OpenIFS is known not to work on gfortran versions less than this due to a bug in the gfortran compiler.
- 32bit is not supported or tested.