Create separate scripts for compiler/MPI module combinations

.bashrc

@@ -2,38 +2,10 @@
 # in /etc/profile, i.e. *before* ~/.profile!
 . ~/.env
 
-# setup modules; only execute once to prevent re-loading impi after loading gcc
-if [ -z "$_MODULES_LOADED" ]; then
-	# set variable to mark modules as loaded
-	_MODULES_LOADED=1
-	export _MODULES_LOADED
-	# hierarchical module system: compiler → mpi → libraries
-	#   Modules fftw-mpi and hdf5-mpi become available after loading a compiler module
-	#   and an MPI library (impi). The available modules are determined by the
-	#   compiler/MPI combination that was loaded (i.e. in this case, fftw-mpi is the
-	#   version compiled with intel and impi).
-	#   Currently, loading both compiler modules (gcc and intel) causes problems with
-	#   the MODULEPATH that is set up by impi, so make sure to load another compiler
-	#   only *after* impi is loaded!
-	module load intel
-	module load impi
-	module load fftw-serial
-	module load hdf5-serial
-	module load gsl
-	module load pkg-config
-	module load clang
-	module load datashare
-	module load git
-	#module load mathematica  # only available on login nodes
-	#module load idl          # only available on login nodes
-	module load anaconda
-	module load mpi4py
-	module load julia
-	module load gnuplot
-	module load p7zip
-	# load gcc *after* any module affected by the hierarchical intel/impi module tree!
-	module load gcc
-fi
+# setup modules
+. ~/modules/gcc.sh
+#module load mathematica  # only available on login nodes
+#module load idl          # only available on login nodes
 
 # if running interactively: set MPI variables; else stop
 # see https://www.mpcdf.mpg.de/services/computing/linux/Astrophysics

modules/common.sh

+module load fftw-serial
+module load hdf5-serial
+module load gsl
+module load pkg-config
+module load clang
+module load datashare
+module load git
+module load anaconda
+module load julia
+module load gnuplot
+module load p7zip

modules/gcc.sh

+module purge
+module load gcc
+module load openmpi
+. ~/modules/common.sh
+#module load mpi4py       # only available with impi?

modules/intel.sh

+module purge
+module load intel
+module load impi
+. ~/modules/common.sh
+module load mpi4py