/usr/lib/petscdir/3.7.7/x86_64-linux-gnu-complex/bin/petscmpiexec is in libpetsc-complex-3.7.7-dev 3.7.7+dfsg1-2build5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# $Id: petscmpiexec,v 1.3 2001/09/04 16:18:05 bsmith Exp $
#
# Uses PETSC_ARCH and PETSC_DIR plus the MPIEXEC command in
# packages to run mpiexec
# Also use PETSCVALGRIND_OPTIONS from env
#
if ($1 == '-h' | $1 == '--help') then
echo "Usage: petscmpiexec <-valgrind> <-debugger> -n <numberprocessors> programname <programopions>"
exit
endif
set valgrind=0
set debugger=0
if ( x$1 == x"-valgrind" ) then
set valgrind = 1
echo $2
if ( x$2 == x"-debugger" ) then
set debugger=1
shift
endif
shift
endif
if ( $1 != "-n" ) then
echo "Error in mpiexec command: must start with -n <numberprocessors> or -valgrind -n <numberprocessors>"
exit 1
endif
shift
set np=$1
shift
set MPI_BUILD_HOME = `grep MPI_BUILD_HOME ${PETSC_DIR}/${PETSC_ARCH}/lib/petsc/conf/petscvariables | grep -v mpiexec | grep -v include | grep -v lib | grep -v "#MPI_HOME" | cut -f2 -d=`
set MPI_HOME = `grep "MPI_HOME " ${PETSC_DIR}/${PETSC_ARCH}/lib/petsc/conf/petscvariables | grep -v build | grep -v include | grep -v "#MPI_HOME" | grep -v mpe | cut -f2 -d=`
set run = `grep MPIEXEC ${PETSC_DIR}/${PETSC_ARCH}/lib/petsc/conf/petscvariables | grep -v "#MPIEXEC" | cut -f2 -d=`
#echo $MPI_BUILD_HOME
#echo $MPI_HOME
#echo $run
set trun = `echo ${run} | sed -e sz\$MPI_BUILD_HOMEz${MPI_BUILD_HOME}z`
#echo $trun
set nrun = `echo ${trun} | sed -e sz\$MPI_HOMEz${MPI_HOME}z`
#echo $nrun
set qrun = `echo ${nrun} | sed -e sz\$PETSC_DIRz${PETSC_DIR}z`
#echo $qrun
#echo $qrun $*
if ( ${valgrind} == "1" ) then
if ! $?PETSCVALGRIND_OPTIONS then
set PETSCVALGRIND_OPTIONS=
endif
set VALGRIND_CMD=`which valgrind`
set VALGRIND_OPTIONS="-q --tool=memcheck --leak-check=yes --num-callers=20 --track-origins=yes ${PETSCVALGRIND_OPTIONS}"
if ( ${debugger} == "1" ) then
set VALGRIND_CMD="xterm -e ${VALGRIND_CMD}"
set VALGRIND_OPTIONS="${VALGRIND_OPTIONS} --db-attach=yes"
endif
if ( `uname` == 'Darwin') then
set VALGRIND_OPTIONS="${VALGRIND_OPTIONS} --dsymutil=yes"
endif
$qrun -n $np ${VALGRIND_CMD} ${VALGRIND_OPTIONS} $*
if ( `uname` == 'Darwin') then
rm -rf *.dSYM
rm -rf ${PETSC_DIR}/${PETSC_ARCH}/lib/lib*.dSYM
endif
else
$qrun -n $np $*
endif
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