This file is indexed.

/usr/bin/run-escript2-mpi is in python-escript-mpi 5.0-3.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/usr/bin/env sh

##############################################################################
#
# Copyright (c) 2003-2016 by The University of Queensland
# http://www.uq.edu.au
#
# Primary Business: Queensland, Australia
# Licensed under the Apache License, version 2.0
# http://www.apache.org/licenses/LICENSE-2.0
#
# Development until 2012 by Earth Systems Science Computational Center (ESSCC)
# Development 2012-2013 by School of Earth Sciences
# Development from 2014 by Centre for Geoscience Computing (GeoComp)
#
##############################################################################

# Escript wrapper for python
# Sets LD_LIBRARY_PATH and PYTHONPATH and then runs either python or the MPI
# launcher.

# Extra paths can be configured about a page further down
# Search for EXTRA_PATH=""

# set to 1 if this is part of a packaged build (.deb) and files will be
# installed in standard locations rather than everything in a single directory
STDLOCATION=1

# Now we find the location of this script
# Note that this location should be absolute but does not need to be unique
scriptdir=""
CURDIR=$(pwd)

# Environment vars which control operations:
# ESCRIPT_NUM_NODES, ESCRIPT_NUM_PROCS, ESCRIPT_NUM_THREADS, ESCRIPT_HOSTFILE, ESCRIPT_CREATESTDFILES

HOSTFILE=/tmp/escript.$USER.$$

die () {
    echo "Error: $@" 1>&2
    exit 1
}

#Begin finding ESCRIPT_ROOT
if [ $STDLOCATION -ne 0 ]
then
    #Package building scripts will replace this line
    ESCRIPT_ROOT=/usr/lib/python-escript-mpi
else
  # We don't know the escript root so we need to work it out from the invocation
  # Need to match if the name contains /
  if $(echo $0|grep -q /)
  then
      # We are not using the PATH to find the script
      cd "$(dirname $0)"
      scriptdir=$(pwd)
      cd "$CURDIR"
  else
      # name does not contain / therefore we are using
      tscriptdir=$(which $0)
      if [ $? -ne 0 ]
      then
          die "Unable to determine script directory!"
      fi
      scriptdir=$(dirname $tscriptdir)
  fi

  cd "$scriptdir/.."
  ESCRIPT_ROOT=$(pwd)
  cd ..
  ESCRIPT_PARENT=$(pwd)
  cd "$CURDIR"

fi
##### End finding ESCRIPT_ROOT ########

# if possible please express paths relative to $ESCRIPT_ROOT unless
# they are in an unrelated location

EXTRA_DYLD_LIBRARY_PATH=""
EXTRA_PATH=$ESCRIPT_ROOT/bin
EXTRA_PYTHONPATH=$ESCRIPT_ROOT

if [ $STDLOCATION -eq 1 ]
then
    EXTRA_LD_LIBRARY_PATH=$ESCRIPT_ROOT/lib
else
    EXTRA_LD_LIBRARY_PATH=$ESCRIPT_ROOT/lib
fi

BUILDINFO_FILE="$ESCRIPT_ROOT/lib/buildvars"
if [ ! -r "$BUILDINFO_FILE" ]; then
    if [ "$1" = "-e" ]; then
        echo "export LD_LIBRARY_PATH=$EXTRA_LD_LIBRARY_PATH:\$LD_LIBRARY_PATH"
        echo "export PYTHONPATH=$EXTRA_PYTHONPATH:\$PYTHONPATH"
        echo "export PATH=$EXTRA_PATH:\$PATH"
        if [ "$(uname)" = "Darwin" ]
        then
            echo "export DYLD_LIBRARY_PATH=$EXTRA_DYLD_LIBRARY_PATH:$EXTRA_LD_LIBRARY_PATH:\$DYLD_LIBRARY_PATH"
        fi
        exit 0
    fi
    die "Unable to read escript build information!"
fi

get_buildvar () {
    echo $(grep "^$1=" "$BUILDINFO_FILE" |cut -d= -f2)
}

PYTHON_MPI_NULL="$ESCRIPT_ROOT/lib/pythonMPI"
PYTHON_MPI_REDIRECT="$ESCRIPT_ROOT/lib/pythonMPIredirect"
PYTHON_CMD=$(get_buildvar python)

HELP_TEXT="
Usage: run-escript [options] script.py [arguments...]
	-n nn		number of nodes to use
	-p np		number of MPI processes to spawn per node
	-t nt		number of OpenMP threads to use
	-f file		name of MPI hostfile
	-c		print compile information for escript and exit
	-V		print escript version and exit
	-i		interactive mode
	-b		do not invoke python (run non-python programs)
	-e		print export statements for environment and exit
	-o		redirect output from MPI to files
	-v		print diagnostics
	-x		run in new xterm instance
	-m tool		run with valgrind {tool=m[emcheck]/c[allgrind]/[cac]h[egrind]}
	script.py	Your python script
	arguments...	The optional command-line arguments to your script
"

if [ "$1" = "--help" ]; then
  echo "$HELP_TEXT"
  exit 0
fi
#==============================================================================

# Parse the command-line options
while getopts 'bn:p:t:f:echim:oVvx' option
do
    case "$option" in
      "b")  DO_BINARY=y
        ;;
      "m")  DO_VALGRIND=$OPTARG
        ;;
      "n")  ESCRIPT_NUM_NODES=$OPTARG
        ;;
      "p")  ESCRIPT_NUM_PROCS=$OPTARG
        ;;
      "t")  ESCRIPT_NUM_THREADS=$OPTARG
        ;;
      "f")  ESCRIPT_HOSTFILE=$OPTARG
        ;;
      "c")  cat "$BUILDINFO_FILE"
        exit 0
        ;;
      "V")  echo "escript-development(build "$(get_buildvar svn_revision)")"
        exit 0
        ;;
      "h")  echo "$HELP_TEXT"
        exit 0
        ;;
      "i")  DO_INTERACTIVE=y
        ;;
      "e")  echo "export LD_LIBRARY_PATH=$EXTRA_LD_LIBRARY_PATH:\$LD_LIBRARY_PATH"
        echo "export PYTHONPATH=$EXTRA_PYTHONPATH:\$PYTHONPATH"
        echo "export PATH=$EXTRA_PATH:\$PATH"
        if [ "$(uname)" = "Darwin" ]
        then
            echo "export DYLD_LIBRARY_PATH=$EXTRA_DYLD_LIBRARY_PATH:$EXTRA_LD_LIBRARY_PATH:\$DYLD_LIBRARY_PATH"
        fi
        exit 0
        ;;
      "o")  ESCRIPT_CREATESTDFILES=y
        ;;
      "v")  ESCRIPT_VERBOSE=y
        ;;
      "x")  DO_XTERM=y
        ;;
      ?)    echo "$HELP_TEXT"
        exit 1
        ;;
    esac
done
shift $(($OPTIND - 1))

vlog () {
    if [ ! -z $ESCRIPT_VERBOSE ]; then
        echo "$@"
    fi
}

#==============================================
#
#   Read MPI_FLAVOUR and WITH_OPENMP from the buildvars
#
MPI_FLAVOUR=$(get_buildvar mpi)
WITH_OPENMP=$(get_buildvar openmp)

vlog "MPI flavour is $MPI_FLAVOUR."
if [ "$WITH_OPENMP" = "1" ]; then
    vlog "OpenMP enabled."
else
    vlog "OpenMP disabled."
fi

#
#   Add VisIt paths if required
#
WITH_VISIT=$(get_buildvar visit)
if [ "$WITH_VISIT" = "1" ]; then
    VISIT_BIN=$(which visit 2>/dev/null)
    if [ $? -eq 0 ]; then
        VISIT_PY_PATH=$($VISIT_BIN -env | grep LIBPATH | cut -d= -f2)
        EXTRA_PYTHONPATH=$EXTRA_PYTHONPATH:$VISIT_PY_PATH
        EXTRA_LD_LIBRARY_PATH=$EXTRA_LD_LIBRARY_PATH:$VISIT_PY_PATH
    else
        vlog "Warning: VisIt module enabled but VisIt not in path!"
    fi
fi

#
#  extend path variables
#
export PATH=$EXTRA_PATH:$PATH
export LD_LIBRARY_PATH=$EXTRA_LD_LIBRARY_PATH:$LD_LIBRARY_PATH
export PYTHONPATH=$EXTRA_PYTHONPATH:$PYTHONPATH
EXPORT_ENV="PATH,LD_LIBRARY_PATH,PYTHONPATH"
if [ "$(uname)" = "Darwin" ]
then
    export DYLD_LIBRARY_PATH=$EXTRA_DYLD_LIBRARY_PATH:$EXTRA_LD_LIBRARY_PATH:$DYLD_LIBRARY_PATH
    EXPORT_ENV="$EXPORT_ENV,DYLD_LIBRARY_PATH"
fi
vlog "PATH = $PATH
LD_LIBRARY_PATH = $LD_LIBRARY_PATH
PYTHONPATH = $PYTHONPATH"
if [ ! -z $DYLD_LIBRARY_PATH ]; then
    vlog "DYLD_LIBRARY_PATH = $DYLD_LIBRARY_PATH"
fi

#==============================================
#
#  Ensure the variables have sensible values
#
if [ "$MPI_FLAVOUR" = "none" ]
then
    if [ ! -z "$ESCRIPT_NUM_NODES" ]; then
        if [ $ESCRIPT_NUM_NODES -gt 1 ]; then
            echo "Warning: MPI disabled but number of nodes set. Option ignored."
        fi
    fi
    if [ ! -z "$ESCRIPT_NUM_PROCS" ]; then
        if [ $ESCRIPT_NUM_PROCS -gt 1 ]; then
            echo "Warning: MPI disabled but number of processors per node set. Option ignored."
        fi
    fi
    if [ ! -z "$ESCRIPT_HOSTFILE" ]
    then
        echo "Warning: MPI disabled but host file is given. Option ignored."
    fi
    ESCRIPT_NUM_NODES=1
    ESCRIPT_NUM_PROCS=1
else
    # use the PBS_NODEFILE if not otherwise specified
    if [ ! -z "$PBS_NODEFILE" ] && [ -z "$ESCRIPT_HOSTFILE" ]
    then
        ESCRIPT_HOSTFILE=$PBS_NODEFILE
    fi

    if [ ! -z "$ESCRIPT_HOSTFILE" ]
    then
        if [ -f "$ESCRIPT_HOSTFILE" ]
        then
            sort -u "${ESCRIPT_HOSTFILE}" > $HOSTFILE
            HOSTLIST=$(awk 'BEGIN{S=""}{if (S == "") { S = $0 } else {S = S "," $0}}END{print S}' "$HOSTFILE")

            NUM_HOSTS=$(cat "$HOSTFILE" | wc -l)
            if [ ! -z $ESCRIPT_NUM_NODES ]
            then
                if [ $NUM_HOSTS -lt $ESCRIPT_NUM_NODES ]
                then
		   die "Number of requested nodes must not exceed the number of entries selected in the host file $ESCRIPT_HOSTFILE.  You asked for $ESCRIPT_NUM_NODES from $NUM_HOSTS."
                fi
             else
                ESCRIPT_NUM_NODES=$NUM_HOSTS
             fi
        else
           die "Cannot find hostfile $ESCRIPT_HOSTFILE!"
        fi
    else
        echo "localhost" > $HOSTFILE
        HOSTLIST="localhost"
    fi

    if [ -z $ESCRIPT_NUM_NODES ]
    then
        ESCRIPT_NUM_NODES=1
    fi

    if [ -z $ESCRIPT_NUM_PROCS ]
    then
        ESCRIPT_NUM_PROCS=1
    fi

    vlog "ESCRIPT_NUM_NODES = $ESCRIPT_NUM_NODES\nESCRIPT_NUM_PROCS = $ESCRIPT_NUM_PROCS"
fi

if [ "$WITH_OPENMP" = "1" ]
then
    if [ -z $ESCRIPT_NUM_THREADS ]
    then
        ESCRIPT_NUM_THREADS=$OMP_NUM_THREADS
        if [ -z $ESCRIPT_NUM_THREADS ]
        then
            ESCRIPT_NUM_THREADS=1
        fi
    fi
    vlog "ESCRIPT_NUM_THREADS = $ESCRIPT_NUM_THREADS"
else
    if [ ! -z $ESCRIPT_NUM_THREADS ] && [ $ESCRIPT_NUM_THREADS != 1 ]
    then
       echo "Warning: OpenMP is disabled but number of threads requested is $ESCRIPT_NUM_THREADS!=1. Option ignored."
    fi
    ESCRIPT_NUM_THREADS=1
fi

#
# Now we compute total number of Processes
#
TOTPROC=$((ESCRIPT_NUM_NODES * ESCRIPT_NUM_PROCS))
if [ $? -ne 0 ] #Some compute error
then            #This could happen if the args were not a number
    die "Expression of total number of processors = $ESCRIPT_NUM_NODES * $ESCRIPT_NUM_PROCS is not numerical!"
fi

# set up thread binding if unset -- disabled by default because it interfers
# with MPI binding
#if [ "$OMP_PROC_BIND" = "" ]; then
#    #Force OpenMP binding for Intel (and GCC, though GCC is on by default)
#    export OMP_PROC_BIND=true
#fi
#if [ "$KMP_AFFINITY" = "" ]; then
#    #Set the style of binding (overrides OMP_PROC_BIND in many cases)
#    export KMP_AFFINITY=verbose,compact
#fi

#
# Test to ensure people aren't trying to combine interactive and multi-process
#
if ([ ! -z $DO_INTERACTIVE ] || [ $# -eq 0 ]) && ([ $TOTPROC -gt 1 ])
then
    die "Interactive mode cannot be used with more than one process!"
fi

if [ $TOTPROC -gt 1 ]
then
    if [ "$ESCRIPT_CREATESTDFILES" = "y" ]
    then
        PYTHON_MPI=$PYTHON_MPI_REDIRECT
    else
        PYTHON_MPI=$PYTHON_MPI_NULL
    fi
else
    PYTHON_MPI=$PYTHON_MPI_NULL
fi
#==============================================================================
# Must have at least one command-line arg: the python script
if [ $# -eq 0 ]
then
    if [ ! -z $DO_BINARY ]
    then
        die "No program to run was specified!"
    else
        DO_INTERACTIVE=y
    fi
fi

#==============================================================================

if [ ! -z $DO_XTERM ]
then
    EXEC_CMD="xterm -e"
else
    EXEC_CMD=""
fi

if [ ! -z "$DO_VALGRIND" ]
then
    VALGRIND_BIN=$(which valgrind 2>/dev/null)
    if [ $? -eq 0 ]; then
        LOGDIR=$ESCRIPT_ROOT/valgrind_logs
        [ -d $LOGDIR ] || mkdir $LOGDIR
        VG_TOOL=$(echo $DO_VALGRIND | awk '{ s=substr($0,1,1);print s;}')
        if [ $VG_TOOL = "c" ];
        then
            # run callgrind
            LOGFILE=${LOGDIR}/callgrind.%p.xml
            VALGRIND="valgrind --tool=callgrind --callgrind-out-file=$LOGFILE"
            EXEC_CMD="$EXEC_CMD $VALGRIND"
        elif [ $VG_TOOL = "h" ];
        then
            # run cachegrind
            LOGFILE=${LOGDIR}/cachegrind.%p.xml
            VALGRIND="valgrind --tool=cachegrind --cachegrind-out-file=$LOGFILE"
            EXEC_CMD="$EXEC_CMD $VALGRIND"
        else
            # run memcheck by default
            LAST_N=$(ls -1 $LOGDIR|grep "^memcheck"|tail -1|cut -d. -f2)
            NEW_N=$(printf "%04d" $((LAST_N + 1)))
            LOGFILE=${LOGDIR}/memcheck.${NEW_N}.%p.xml
            VALGRIND="valgrind --tool=memcheck --xml=yes --show-reachable=yes --error-limit=no --suppressions=$ESCRIPT_ROOT/scripts/escript.supp --leak-check=full --xml-file=$LOGFILE"
            EXEC_CMD="$EXEC_CMD $VALGRIND"
        fi
    else
        die "Execution with valgrind requested but valgrind not in path!"
    fi
fi

if [ ! -z $DO_BINARY ]
then
    EXEC_CMD="$EXEC_CMD $@"
else
    # Check to see if the python version we were compiled with matches the
    # one of PYTHON_CMD.
    compfull=$(get_buildvar python_version)
    compversion=$(echo $compfull | cut -d. -f1,2)
    compmajor=$(echo $compfull | cut -d. -f1)
    if [ "$PYTHON_CMD" = "python" ] # if people have customised the command they
    then                                # might not want us changing it
        if [ "$compmajor" = "3" ]
        then
            PYTHON_CMD=python3
        fi
    fi
    intversion=$($PYTHON_CMD -c 'from __future__ import print_function;import sys;print("%d.%d"%(sys.version_info[0], sys.version_info[1]))')
    if [ "$compversion" != "$intversion" ]
    then
        die "Python versions do not match. Escript was compiled for '$compversion'.
Current version of Python appears to be '$intversion'."
    fi
    if [ "$MPI_FLAVOUR" = "none" ]
    then
        if [ ! -z $DO_INTERACTIVE ]
        then
           EXEC_CMD="$EXEC_CMD $PYTHON_CMD -i $@"
        else
           EXEC_CMD="$EXEC_CMD $PYTHON_CMD $@"
        fi
    else
        if [ ! -z $DO_INTERACTIVE ]
        then
           EXEC_CMD="$EXEC_CMD $PYTHON_MPI -i $@"
        else
           EXEC_CMD="$EXEC_CMD $PYTHON_MPI $@"
        fi
    fi
fi
vlog "Command to be executed is \"$EXEC_CMD\""
#==============================================================================
#
#   now we start to spawn things:
#
if [ "$WITH_OPENMP" = "1" ]
then
   export OMP_NUM_THREADS=$ESCRIPT_NUM_THREADS
   EXPORT_ENV="$EXPORT_ENV,OMP_NUM_THREADS"
fi

if [ "$MPI_FLAVOUR" = "OPENMPI" ]
then
    if [ -z `which rsh``which ssh` ]
    then
        AGENTOVERRIDE="--gmca plm_rsh_agent /bin/false"
    fi
fi 

vlog "Pre-launch command: \"EE=$(echo -x ${EXPORT_ENV}|sed -e 's/,/ -x /g')\""
EE=$(echo -x ${EXPORT_ENV}|sed -e 's/,/ -x /g')
vlog "Launch command: \"mpirun ${AGENTOVERRIDE} --gmca mpi_warn_on_fork 0 ${EE} --host ${HOSTLIST} --map-by node:pe=${ESCRIPT_NUM_THREADS} -bind-to core -np ${TOTPROC} ${EXEC_CMD}\""
mpirun ${AGENTOVERRIDE} --gmca mpi_warn_on_fork 0 ${EE} --host ${HOSTLIST} --map-by node:pe=${ESCRIPT_NUM_THREADS} -bind-to core -np ${TOTPROC} ${EXEC_CMD}
EXIT_CODE=$?
vlog "Post-launch command: \"\""


if [ ! -z "$DO_VALGRIND" ]; then
   echo "Valgrind log file written to ${LOGFILE}"
fi

rm -f $HOSTFILE

exit $EXIT_CODE