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