DAMASK_EICMD/env/DAMASK.sh

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# sets up an environment for DAMASK on bash
# usage: source DAMASK.sh
function canonicalPath {
python3 -c "import os,sys; print(os.path.normpath(os.path.realpath(os.path.expanduser(sys.argv[1]))))" $1
}
function blink {
echo -e "\033[2;5m$1\033[0m"
}
if [ "$OSTYPE" == "linux-gnu" ] || [ "$OSTYPE" == 'linux' ]; then
ENV_ROOT=$(dirname $BASH_SOURCE)
else
[[ "${BASH_SOURCE::1}" == "/" ]] && BASE="" || BASE="$(pwd)/"
STAT=$(stat "$(dirname $BASE$BASH_SOURCE)")
ENV_ROOT=${STAT##* }
fi
DAMASK_ROOT=$(canonicalPath "$ENV_ROOT/../")
# shorthand command to change to DAMASK_ROOT directory
eval "function DAMASK_root() { cd $DAMASK_ROOT; }"
# add BRANCH if DAMASK_ROOT is a git repository
cd $DAMASK_ROOT >/dev/null; BRANCH=$(git branch 2>/dev/null| grep -E '^\* '); cd - >/dev/null
PATH=${DAMASK_ROOT}/bin:$PATH
SOLVER=$(type -p DAMASK_grid || true 2>/dev/null)
[ "x$SOLVER" == "x" ] && SOLVER=$(blink 'Not found!')
[ "x$OMP_NUM_THREADS" == "x" ] && OMP_NUM_THREADS=1
# currently, there is no information that unlimited stack size causes problems
# still, http://software.intel.com/en-us/forums/topic/501500 suggest to fix it
# more info https://jblevins.org/log/segfault
# https://stackoverflow.com/questions/79923/what-and-where-are-the-stack-and-heap
# http://superuser.com/questions/220059/what-parameters-has-ulimit
ulimit -s unlimited 2>/dev/null # maximum stack size (kB)
# disable output in case of scp
if [ ! -z "$PS1" ]; then
echo
echo Düsseldorf Advanced Materials Simulation Kit --- DAMASK
echo Max-Planck-Institut für Eisenforschung GmbH, Düsseldorf
echo https://damask.mpie.de
echo
echo Using environment with ...
echo "DAMASK $DAMASK_ROOT $BRANCH"
echo "Grid Solver $SOLVER"
if [ "x$PETSC_DIR" != "x" ]; then
echo -n "PETSc location "
[ -d $PETSC_DIR ] && echo $PETSC_DIR || blink $PETSC_DIR
[[ $(canonicalPath "$PETSC_DIR") == $PETSC_DIR ]] \
|| echo " ~~> "$(canonicalPath "$PETSC_DIR")
fi
echo -n "MSC.Marc/Mentat "
[ -d $MSC_ROOT ] && echo $MSC_ROOT || blink $MSC_ROOT
echo
echo "Multithreading OMP_NUM_THREADS=$OMP_NUM_THREADS"
echo -n "heap size "
[[ "$(ulimit -d)" == "unlimited" ]] \
&& echo "unlimited" \
|| echo $(python -c \
"import math; \
size=$(( 1024*$(ulimit -d) )); \
print('{:.4g} {}'.format(size / (1 << ((int(math.log(size,2) / 10) if size else 0) * 10)), \
['bytes','KiB','MiB','GiB','TiB','EiB','ZiB'][int(math.log(size,2) / 10) if size else 0]))")
echo -n "stack size "
[[ "$(ulimit -s)" == "unlimited" ]] \
&& echo "unlimited" \
|| echo $(python -c \
"import math; \
size=$(( 1024*$(ulimit -s) )); \
print('{:.4g} {}'.format(size / (1 << ((int(math.log(size,2) / 10) if size else 0) * 10)), \
['bytes','KiB','MiB','GiB','TiB','EiB','ZiB'][int(math.log(size,2) / 10) if size else 0]))")
echo
fi
export DAMASK_ROOT
export PYTHONPATH=$DAMASK_ROOT/python:$PYTHONPATH
for var in BASE STAT SOLVER BRANCH; do
unset "${var}"
done
unset "ENV_ROOT"