#!/bin/bash

#
# compute_avg --wf
#
# --wf (with failure): Compute also averages of runs that failed.
#
#

with_stats=no

if test x$1 = x--wf ; then
  WITH_FAILURE=1
else
  WITH_FAILURE=0
fi

NB_RUNS=3
BENCHMARKS="check compress db jack javac jess mpegaudio mtrt raytrace sablecc soot"
VM="switch direct inlined switch-jit direct-jit inlined-jit"

for b in $BENCHMARKS; do
  echo $b
  for v in $VM; do
    sum=0
    n=0
    comp_sum=0
    if test -e $b-$v--run-1-result.txt; then
      success=true
      for r in `seq 1 $NB_RUNS`; do
        result_file=$b-$v--run-$r-result.txt
        if test -e $result_file ; then
          if test $WITH_FAILURE != 1 -a x`tail -n 1 $result_file` = xFAILURE -o x$success = xfalse ; then
            success=false
          else
            usertime=`tail -n 4 $result_file | grep user | cut -d' ' -f2`
            systime=`tail -n 4 $result_file | grep sys | cut -d' ' -f2`
            exectime=`echo "$usertime + $systime" | bc`
            sum=`echo "$sum + $exectime" | bc`
            n=`expr $n + 1`


	    if test x$with_stats = xyes ; then
	      ### compilation time ###
	      # Note: For now, not using the ^ like ^STATS ...
	      #       because STATS of db doesn't start on its own line.
	      raw_comp_time=`grep 'STATS: Total compilation time: ' $result_file | cut -d':' -f3`


	      sec_comp_time=`echo $raw_comp_time | cut -d' ' -f1`
	      usec_comp_time=`echo $raw_comp_time | cut -d' ' -f3`

	      # adds usec to second
	      sec_comp_time=`echo "scale=6; $sec_comp_time + $usec_comp_time / 1000000" | bc`

	      comp_sum=`echo "$comp_sum + $sec_comp_time" | bc`

	    fi

          fi
        fi
      done
      if test x$success = xtrue ; then
        avg=`echo "scale=2; $sum / $n" | bc`
	if test x$with_stats = xyes ; then
	  avg_comp=`echo "scale=2; $comp_sum / $n" | bc`
        else
          avg_comp=
        fi
        echo "  $v $avg ($n runs) comp: $avg_comp"
      else
        echo "  $v FAILED!"
      fi
    fi
  done
done