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#!/bin/bash



#----------------------------------------------------------------------------#

# Run a tournament between set of programs

if [ $# -lt 7 ]

then

    echo "Usage:"

    echo "tournament.sh shortnames programnames path size minutes games nummatches submit [process]"

    echo ""

    echo "shortnames:   File containing list of short names to label programs"

    echo "programnames: File containing list of program names to use"

    echo "path:         Path for matches played in tournament"

    echo "size:         Board size to use"

    echo "minutes:      Time control to use"

    echo "games:        Number of games to play in each match"

    echo "nummatches:   Number of matches to run in tournament"

    echo "submit:       Script used to play matches, listed below"

    echo "process:      Process number (optional)"

    echo ""

    echo "submit-seq.sh:               Play matches sequentially"

    echo "submit-para.sh:              Play matches in parallel"

    echo "\"submit-host.sh hostfile\": Submit matches to hosts listed in file"

    echo "submit-test.sh:              Output match commands without executing"

    exit 1

fi



SCRIPTDIR=`dirname $0`

SHORTNAMES=$1

PROGRAMNAMES=$2

PATHSTEM=$3

SIZE=$4

MINUTES=$5

NUMGAMES=$6

NUMMATCHES=$7

SUBMIT=$8

PROC=$9



if [ $PROC == ""]

then

    PROC=0

fi



NUMPLAYERS=`awk 'END {print NR}' $SHORTNAMES`



mkdir -p $PATHSTEM

PIDPATH=$PATHSTEM/PID-LOG

touch $PIDPATH



# Initialise win file to all zeros

echo -n "" > $PATHSTEM/wins.txt

for ((i=0; i<NUMPLAYERS; ++i))

do

    SHORT=`awk "NR==$((i+1))"' { print }' $SHORTNAMES`

    echo -e -n "$SHORT\t0\n" >> $PATHSTEM/wins.txt

done



if [ -e $PATHSTEM/process-$PROC ]

then

    echo "Tournament data already exists in $PATHSTEM/process-$PROC"

    exit

fi



for ((i=0; i<NUMMATCHES; ++i))

do

    NEWPATH=$PATHSTEM/process-$PROC/match-$i

    mkdir -p $NEWPATH

    PB=$((RANDOM % NUMPLAYERS))

    #PW=$((RANDOM % NUMPLAYERS)) # For uniform random pairing

    PW=`python $SCRIPTDIR/pair.py $NUMPLAYERS $PB < $PATHSTEM/wins.txt` # For win-biased pairing

    BLACK=`awk "NR==$((PB+1))"' { print }' $PROGRAMNAMES`

    WHITE=`awk "NR==$((PW+1))"' { print }' $PROGRAMNAMES`

    BSHORT=`awk "NR==$((PB+1))"' { print }' $SHORTNAMES`

    WSHORT=`awk "NR==$((PW+1))"' { print }' $SHORTNAMES`

    echo "Playing match $((i+1)) of $NUMMATCHES between $BSHORT and $WSHORT ($NUMGAMES games)"

    MATCHCMD=`$SCRIPTDIR/match.sh "$NEWPATH" "$BLACK" "$WHITE" "$SIZE" "$MINUTES" "$NUMGAMES"`

    $SCRIPTDIR/$SUBMIT "$NEWPATH" "$PREFIX" "$MATCHCMD" "$i" "$PIDPATH"



    awk '$4~/B+/ {print "addresult '"${PW} ${PB}"' 0" } $4~/W+/ {print "addresult '"${PW} ${PB}"' 2" }' $NEWPATH/games.dat >> $PATHSTEM/process-$PROC/results.txt

    BWINS=`awk 'BEGIN {bwins=0} $4~/B+/ {bwins++} END {print bwins}' $NEWPATH/games.dat`

    WWINS=`awk 'BEGIN {wwins=0} $4~/W+/ {wwins++} END {print wwins}' $NEWPATH/games.dat`

    echo "Result: $BWINS-$WWINS"

    awk "{ if (NR==$((PB+1))) print \$1,\$2+$BWINS; else if (NR==$((PW+1))) print \$1,\$2+$WWINS; else print \$1,\$2 }" $PATHSTEM/wins.txt > $PATHSTEM/new-wins.txt

    cp $PATHSTEM/new-wins.txt $PATHSTEM/wins.txt

done