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Coarray Fortran

How to compile and run a Coarray Fortran code on Lindgren

Coarray Fortran (CAF) is available on Lindgren via the Cray Compilation Environment (CCE). To load the CCE:

module swap PrgEnv-pgi PrgEnv-cray

To compile your Coarray Fortran code:

ftn -h caf -o CAFexec CAFcode.f

Note that "-h caf" flag for the ftn compiler.

To run the CAF code, use the aprun command. This batch script is an example for running the UPC code on 4 cores of 1 node:

#PBS -l mppwidth=4
#PBS -l mppnppn=4
#PBS -l walltime=00:10:00
#PBS -j eo
#PBS -V


cd $PBS_O_WORKDIR
aprun -n 4 ./CAFexec > output_caf

You can also read more general information about PDC's research on PGAS languages on our research web.