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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 SystemSupported CompilersSupport levelMPI
Linux/Unix
x86_64 (64 bit2)

gfortran (v4.5 & above)1

 OpenMPI
Intel : ifort (v12.1.0) 
Portland : pgf90 (v12.3) 
Cray : ftn 
AIXIBM : xlf (v11.1) IBM Parallel
Environment
Mac OS X (not yet tested)   
Support level 
 Good level of support - will be tested for each new release
 Medium level of support - may not be tested for each release.
 

Not directly supported due to lack of facilities at ECMWF;
known to work on external systems

Notes:

  1. 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.
  2. 32bit is not supported or tested.

 

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