#! /bin/bash

echo "Preparing:"
set -x                          # Output commands
set -e                          # Abort on errors

cd @RUNDIR@-active

module list

echo "Checking:"
pwd
hostname
date
cat "$PBS_NODEFILE" > SIMFACTORY/NODES || true

echo "Environment:"
export CACTUS_NUM_PROCS=@NUM_PROCS@
export CACTUS_NUM_THREADS=@NUM_THREADS@
export GMON_OUT_PREFIX=gmon.out
export OMP_NUM_THREADS=@NUM_THREADS@
export OPENMPI_DIR=/usr/local/openmpi-1.4.2-intel-11.1
env | sort > SIMFACTORY/ENVIRONMENT

echo "Job setup:"
echo "   Allocated:"
echo "      Nodes:                      @NODES@"
echo "      Cores per node:             @PPN@"
echo "   Running:"
echo "      MPI processes:              @NUM_PROCS@"
echo "      OpenMP threads per process: @NUM_THREADS@"
echo "      MPI processes per node:     @(1.0*@NUM_PROCS@/@NODES@)@"
echo "      OpenMP threads per core:    @(1.0*(@NUM_PROCS@*@NUM_THREADS@)/(@NODES@*@PPN@))@"
echo "      OpenMP threads per node:    @PPN_USED@"

#case '@PPN_USED@:@NUM_THREADS@' in
#    (12:12|6:6|4:4|3:3|2:2|1:1) options='-npernode 1 -bind-to-none';;
#    (12:6|6:3|4:2|2:1)          options='-npersocket 1 -bind-to-socket';;
#    (12:3|4:1)                  options='-npersocket 2 -bind-to-socket';;
#    (12:2|6:1)                  options='-npersocket 3 -bind-to-socket';;
#    (12:1|*)                    options='-npersocket 6 -bind-to-core';;
#esac

echo "Starting:"
export CACTUS_STARTTIME=$(date +%s)
#time $OPENMPI_DIR/bin/mpirun -np @NUM_PROCS@ -num-sockets 2 $options -display-map -report-bindings @EXECUTABLE@ -L 3 @PARFILE@
# Note: This does not work when over- or undersubscribing!
bind='@(@NUM_THREADS@ > 6 ? "--bind-to-none --num-cores 12" : "--bind-to-socket")@'
time $OPENMPI_DIR/bin/mpirun $bind -np @NUM_PROCS@ -cpus-per-proc @NUM_THREADS@ @EXECUTABLE@ -L 3 @PARFILE@

echo "Stopping:"
date

echo "Done."