#! /usr/bin/env bash

# $Header: /u/gcmpack/MITgcm/verification/cpl_aim+ocn/run_cpl_test,v 1.24 2017/08/08 20:21:19 jmc Exp $
# $Name:  $

bdPfx='build'; # build-dir prefix

#- default:
 Npr=3 ; NpOc=1 ;
#Npr=25; NpOc=12;
MTH=
MTHo=
MTHa=
GMKopt='-devel'
#GMKopt='-ieee'
#GMKopt=
rnkO=1 ; rnkA=`expr $rnkO + $NpOc`

#- parse options:
if [ $# -ge 1 ] ; then if test $1 = '-mth' ; then
  MTH='-omp' ; shift
  if test -f input_ocn/eedata.mth ; then MTHo=$MTH ; fi
  if test -f input_atm/eedata.mth ; then MTHa=$MTH ; fi
fi ; fi
#- allows more argument for building step (step=1)
chkArg=$# ; if [ $# -gt 1 ]; then chkArg=$1 ; fi
if [ $chkArg -ne 1 ]; then
  echo 'Usage:'`basename $0`' [opt] step [bld-arg]'
  echo ' => test coupled set-up on linux box (1.cpu)'
  echo 'opt = -mth : compile and run (if eedata.mth) 2-threads for ocn & atm'
  echo ' step = 0 : clean all directories'
  echo ' step = 1 : compile the 3 executables (cpl,ocn,atm); optional arg:'
  echo '       -of Optfile_Name : using option-file "Optfile_Name"'
  echo ' step = 2 : copy input files and dir(s)'
  echo " step = 3 : run with $Npr mpi processes"
  echo ' step = 4 : check the results'
  echo ' step = 5 : remove output files in rank_0,1,2 dir.'
  exit
fi
kpr=$1
dir=`pwd`

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

if test $kpr = 0
then
 rm -f pr_group std_outp comp_res.{ocn,atm,land,sice}
 rm -f ${bdPfx}_???/TTT.*make.* ${bdPfx}_???/TTT.mkdepend.*
 /bin/rm -r -f rank_? rank_1? rank_2?
 if test -f ${bdPfx}_cpl/Makefile ; then cd ${bdPfx}_cpl ; make Clean ; cd .. ; fi
 if test -f ${bdPfx}_ocn/Makefile ; then cd ${bdPfx}_ocn ; make Clean ; cd .. ; fi
 if test -f ${bdPfx}_atm/Makefile ; then cd ${bdPfx}_atm ; make Clean ; cd .. ; fi
fi
if test $kpr = 5
then
 echo 'remove output files in rank_0,1,2 dir.'
 rm -f pr_group std_outp comp_res.{ocn,atm,land,sice}
 test -f rank_0/Coupler.0000.clog && rm -f rank_0/Coupler.0000.clog
 if test -d rank_$rnkO ; then
   ( cd rank_$rnkO ; rm -f *.data *.meta *.txt *.log STD???.00?? UV-*.00??.clog )
 fi
 if test -d rank_$rnkA ; then
   ( cd rank_$rnkA ; rm -f *.data *.meta *.txt *.log STD???.00?? UV-*.00??.clog )
 fi
fi

if test $kpr = 1
then

#- choice of the optfile:
#  default: take a local one in dir verification with sufix '+mpi'
 nbOpF=`ls ../linux_* | grep '+mpi' 2> /dev/null | wc -l`
#  or take the one given as argument:
 if [ $# -ge 3 ]; then
   if test $2 = '-of' -a -f $3 ; then nbOpF=-1 ; OPTFILE=$3 ; fi
 fi
 if test $nbOpF = 1 ; then
   OPTFILE=`ls ../linux_* | grep '+mpi'`
 elif [ $nbOpF -ge 2 ] ; then
   echo "pick the 1rst of these ( $nbOpF ) optfiles:"
   ls ../linux_* | grep '+mpi'
   OPTFILE=`ls ../linux_* | grep '+mpi' | head -1`
 elif [ $nbOpF -ne -1 ] ; then
   echo "Pb in finding optfile: found $nbOpF :"
   ls ../linux_* | grep '+mpi' ; exit
 fi
 zz=`grep '^ *FC=' $OPTFILE | tail -1`
 echo " Using optfile: $OPTFILE  (compiler: $zz) $MTH"
 zz=`echo $OPTFILE | grep -c '^\/'`
 if test $zz = 0 ; then OPTFILE="../$OPTFILE" ; fi
#---
 echo '==== compile coupler:'
 cd ${bdPfx}_cpl
 echo ' --- genmake2 (cpl):'
 ../../../tools/genmake2 -of $OPTFILE -mpi $GMKopt >  TTT.genmake.$$ 2>&1
 RetVal=$? ; tail -5 TTT.genmake.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in genmake2 (cpl)" ; exit 11
 fi
 echo ' --- make depend (cpl):'
 make depend > TTT.mkdepend.$$ 2>&1
 RetVal=$? ; tail -5 TTT.mkdepend.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in mkdepend (cpl)" ; exit 12
 fi
 echo ' --- make (cpl):' ; touch TTT.make.$$
#do_make_syntax.sh obj > TTT.make.$$ 2>&1
 make >> TTT.make.$$ 2>&1
 RetVal=$? ; tail -10 TTT.make.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in make     (cpl)" ; exit 13
 fi
 echo ' ' ; cd $dir

 echo '==== compile OGCM:'
 cd ${bdPfx}_ocn
 echo ' --- genmake2 (ocn):'
 ../../../tools/genmake2 -of $OPTFILE -mpi $MTHo $GMKopt >  TTT.genmake.$$ 2>&1
 RetVal=$? ; tail -5 TTT.genmake.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in genmake2 (ocn)" ; exit 21
 fi
 echo ' --- make depend (ocn):'
 make depend > TTT.mkdepend.$$ 2>&1
 RetVal=$? ; tail -10 TTT.mkdepend.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in mkdepend (ocn)" ; exit 22
 fi
 echo ' --- make (ocn):' ; touch TTT.make.$$
#do_make_syntax.sh obj > TTT.make.$$ 2>&1
 make >> TTT.make.$$ 2>&1
 RetVal=$? ; tail -10 TTT.make.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in make     (ocn)" ; exit 23
 fi
 echo ' ' ; cd $dir

 echo '==== compile AGCM:'
 cd ${bdPfx}_atm
 echo ' --- genmake2 (atm):'
 ../../../tools/genmake2 -of $OPTFILE -mpi $MTHa $GMKopt >  TTT.genmake.$$ 2>&1
 RetVal=$? ; tail -5 TTT.genmake.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in genmake2 (atm)" ; exit 31
 fi
 echo ' --- make depend (atm):'
 make depend > TTT.mkdepend.$$ 2>&1
 RetVal=$? ; tail -10 TTT.mkdepend.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in mkdepend (atm)" ; exit 32
 fi
 echo ' --- make (atm):' ; touch TTT.make.$$
#do_make_syntax.sh obj > TTT.make.$$ 2>&1
 make >> TTT.make.$$ 2>&1
 RetVal=$? ; tail -10 TTT.make.$$
 if test "x$RetVal" != x0 ; then
   echo "Error in make     (atm)" ; exit 33
 fi
 echo ' ' ; cd $dir

 ls -l ${bdPfx}_???/mitgcmuv

fi

if test $kpr = 2
then
  echo 'rm dir:' rank_? rank_1? rank_2?
  /bin/rm -r -f rank_? rank_1? rank_2?
  echo 'Link files from dir:' input_cpl '->' rank_0
  mkdir rank_0
  ( cd rank_0 ; ln -s ../input_cpl/* . )

  n=$rnkO
  echo 'Link files from dir:' input_ocn '->' rank_$n
  mkdir rank_$n
  cd rank_$n
  ln -s ../input_ocn/* .
  if test -x prepare_run ; then ./prepare_run ; fi
  if test "x$MTHo" != x ; then
    echo " MTH run: mv -f eedata.mth eedata"
    if test -h eedata ; then rm -f eedata ; fi
    mv -f eedata.mth eedata
  fi
  cd $dir
  n=`expr $n + 1`
  while [ $n -le $NpOc ] ; do
    ln -s rank_$rnkO rank_$n
    n=`expr $n + 1`
  done

  n=$rnkA
  echo 'Link files from dir:' input_atm '->' rank_$n
  mkdir rank_$n
  cd rank_$n
  ln -s ../input_atm/* .
  if test -x prepare_run ; then ./prepare_run ; fi
  if test "x$MTHa" != x ; then
    echo " MTH run: mv -f eedata.mth eedata"
    if test -h eedata ; then rm -f eedata ; fi
    mv -f eedata.mth eedata
  fi
  cd $dir
  n=`expr $n + 1`
  while [ $n -lt $Npr ] ; do
    ln -s rank_$rnkA rank_$n
    n=`expr $n + 1`
  done

fi

if test $kpr = 3
then
  ROOTDIR=$dir
# rm -f rank_?/pickup*.ckptA.00?.00?.??ta
  echo $ROOTDIR
  tmpfil=TTT.$$

#--- running on the same node:
  list='' ; nc=0; xx=`hostname`
  while [ $nc -lt $Npr ] ; do list="$list $xx" ; nc=`expr $nc + 1` ; done
#-- On darwin cluster node (from qrsh session):
# JOB_ID=`qstat | sed -n '3,$ p' | grep " $USER " | awk '{print $1}'`
# NODEFILE="/tmp/$JOB_ID.1.darwin/machines"
# echo " JOB_ID = '$JOB_ID' ; NODEFILE = '$NODEFILE'"
#-- On ACES cluster (in PBS batch job):
# NODEFILE=$PBS_NODEFILE
#--- running on different nodes:
# ls -l $NODEFILE
# nprc=`cat $NODEFILE | uniq | wc -l`
# if [ $nprc -ge $Npr ] ; then
#   list=`cat $NODEFILE | uniq | head -$Npr`
# else
#   list=`cat $NODEFILE | head -$Npr`
# fi

  nc=0; nn=0; dd1=cpl ;
  rm -f pr_group ; touch pr_group
  for xx in $list
  do
    echo $xx $nn $dir/${bdPfx}_$dd1/mitgcmuv >> pr_group
    nc=`expr $nc + 1`
    if [ $nc -le $NpOc ] ; then dd1=ocn ; else dd1=atm ; fi
    nn=1
  done
  NpAt=`expr $Npr - 1 - $NpOc`
  RunOpt="-np 1 ./${bdPfx}_cpl/mitgcmuv"
  RunOpt="$RunOpt : -np $NpOc ./${bdPfx}_ocn/mitgcmuv"
  RunOpt="$RunOpt : -np $NpAt ./${bdPfx}_atm/mitgcmuv"

  cd $ROOTDIR
  if test "x$MTH" != x ; then
    export OMP_NUM_THREADS=2 ; export KMP_STACKSIZE=400m
    if test "x$MTHo" != x ; then
      echo -n " run OCN ($MTHo) with $OMP_NUM_THREADS threads ;"
    fi
    if test "x$MTHa" != x ; then
      echo -n " run ATM ($MTHa) with $OMP_NUM_THREADS threads ;"
    fi
    echo ""
  fi
  mpich=`which mpirun`
  echo $mpich | grep 'mpich-mx' > /dev/null 2>&1
  mpichmx=$?
  echo $mpich | grep 'mpich-1' > /dev/null 2>&1
  mpich1=$?
  echo $mpich | grep 'mpich2' > /dev/null 2>&1
  mpich2=$?
  echo $mpich | grep 'openmpi' > /dev/null 2>&1
  opnmpi=$?
  if test $mpich1 == 0 ; then
  # /usr/local/pkg/mpi/mpi-1.2.4..8a-gm-1.5/pgi/bin/mpirun.ch_gm -pg pr_group -wd $ROOTDIR --gm-kill 5 -v  ./${bdPfx}_cpl/mitgcmuv > std_outp 2>&1
  #- with mpich-1 (on danton, old aces: ao, geo, itrda):
    echo "execute 'mpirun -p4pg pr_group -v ./${bdPfx}_cpl/mitgcmuv' :"
    mpirun -p4pg pr_group -v ./${bdPfx}_cpl/mitgcmuv > std_outp 2>&1
  elif test $mpichmx == 0 ; then
  #- with mpich-mx (on beagle):
    echo "execute 'mpirun -pg pr_group -v ./${bdPfx}_cpl/mitgcmuv' :"
    mpirun -pg pr_group -v ./${bdPfx}_cpl/mitgcmuv > std_outp 2>&1
  elif test $mpich2 == 0 -o $opnmpi == 0 ; then
  #- with Hydra mpich2 (on baudelaire) or with openmpi:
    echo "execute 'mpirun $RunOpt' :"
    mpirun $RunOpt  > std_outp 2>&1
  else
  #- new mpich (mpich2) installation often just put in "mpich" dir
    echo "execute 'mpirun $RunOpt' :"
    mpirun $RunOpt  > std_outp 2>&1
  fi
  tail -20 std_outp
  ls -l rank_$rnkO/pickup*.ckptA.001.001.data
  ls -l rank_$rnkA/pickup*.ckptA.001.001.data

fi

if test $kpr = 4
then
 CompRes="$HOME/bin/comp_res"

 if test -f rank_$rnkO/STDOUT.0000
 then echo '==> check Ocean output:'
    $CompRes rank_$rnkO/STDOUT.0000 results/ocnSTDOUT.0000
    mv -f comp_res.log comp_res.ocn
    echo ' '
 else echo "No Ocean output file in rank_$rnkO" ; fi

 if test -f rank_$rnkA/STDOUT.0000
 then
    echo '==> check Atmos output:'
    $CompRes rank_$rnkA/STDOUT.0000 results/atmSTDOUT.0000
    mv -f comp_res.log comp_res.atm
    echo '==> check Land output:'
    $CompRes rank_$rnkA/STDOUT.0000 results/atmSTDOUT.0000 L
    mv -f comp_res.log comp_res.land
    echo '==> check thSIce output:'
    $CompRes rank_$rnkA/STDOUT.0000 results/atmSTDOUT.0000 I
    mv -f comp_res.log comp_res.sice
    echo ' '
 else echo "No Atmos output file in rank_$rnkA" ; fi

fi

exit 0