A file to run all the Wattch experiments.

experiment.sh

#!/bin/bash

# runs a single experiment

base=$1
commandstring=$2

echo "Operating on file ${1} ${base}"

sim_opts=" -fastfwd 1000000 -max:inst 10000000 "
xor=1 # whether to xor the history with the PC
mkdir output/$base
rm -rf output/$base/*

echo "Benchmark ${base}";


# taken and nottaken have the same config
for bpred in nottaken taken perfect
do
    # what's going on?
    echo "file=${base} bpred=${bpred}"
    
    filebase=$bpred.$base
    pathbase="output/${base}/${filebase}"

    full_command_string="time sim-outorder ${sim_opts} -redir:sim ${pathbase}.simout -bpred $bpred \
        $commandstring > ${pathbase}.stdout"
    
    eval $full_command_string
done

# bimodal predictor only requires table size in bytes
bpred="bimod"
for table_size_logbytes in {1..10} # powers of 2
do
    # what's going on?
    echo "file=${base} bpred=${bpred} bimod=${table_size_logbytes}"
    
    filebase=$bpred.$base.$table_size_logbytes
    pathbase="output/${base}/${filebase}"
    
    let "table_size_bytes=2**${table_size_logbytes}"
    full_command_string="time sim-outorder ${sim_opts} -redir:sim ${pathbase}.simout -bpred $bpred -bpred:bimod ${table_size_bytes} $commandstring > ${pathbase}.stdout"
    
    eval $full_command_string
done

# 2level predictor
bpred="2lev"
for table_size_logbytes in 1 2 4 8 16 # powers of 2
do
    # what's going on?
    echo "file=${base} bpred=${bpred} gshare=${table_size_logbytes}"
    
    filebase=$bpred.$base.$table_size_logbytes
    pathbase="output/${base}/${filebase}"
    
    # according to the README, these settings result in gshare type func
    let "table_size_bytes=2**${table_size_logbytes}" # will be history size
    full_command_string="time sim-outorder ${sim_opts} -redir:sim ${pathbase}.simout -bpred $bpred -bpred:2lev 1 ${table_size_logbytes} ${table_size_bytes} ${xor} $commandstring > ${pathbase}.stdout"
    
    eval $full_command_string
done

bpred="comb"

for combo_size_logbytes in {5..10} # powers of 2
do
    let "combo_size_bytes=2**${combo_size_logbytes}"
    for table_size_logbytes in 1 2 4 8 # powers of 2
    do
        # bimodal table size
        let "table_size_bytes=2**${table_size_logbytes}" 
        
        
        for gshare_size_logbytes in 1 2 4 8  # powers of 2
        do
            # what's going on?
            echo "file=${base} bpred=${bpred} combo=${combo_size_logbytes} bimod=${table_size_logbytes} gshare=${gshare_size_logbytes}"
        
            # according to the README, these settings result in gshare type func
            let "history_size_bytes=2**${gshare_size_logbytes}" # will be history size
            
            filebase=$bpred.$base.$combo_size_logbytes.$table_size_logbytes.$gshare_size_logbytes
            pathbase="output/${base}/${filebase}"
            
            full_command_string="time sim-outorder ${sim_opts} -redir:sim ${pathbase}.simout -bpred $bpred -bpred:comb ${combo_size_bytes} -bpred:bimod ${table_size_bytes} -bpred:2lev 1 ${gshare_size_logbytes} ${history_size_bytes} ${xor} $commandstring > ${pathbase}.stdout"

            eval $full_command_string
        done
    done    
done

# report statistics
awk -v OFS=',' '/^(((max|avg|total)_)?bpred|sim_|avg_total_|total_)/ {print FILENAME,$1,$2}' output/$base/*.simout > output/$base.csv

experiment_output.awk

# transposes the file
BEGIN {FS=","}

{
for (i=1;i<=NF;i++)
{
 arr[NR,i]=$i;
 if(big <= NF)
  big=NF;
 }
}
 
END {
  for(i=1;i<=big;i++)
   {
    for(j=1;j<=NR;j++)
    {
     printf("%s,",arr[j,i]);
    }
    printf("\n");
   }
}

experiment_output.sh

# remove all the csvs in the output dir

rm output/*.csv

for bpred in nottaken taken perfect bimod 2lev comb
do  
    let i=0
    for file in `find output | grep ${bpred}.*\.simout$`
    do
        echo "Processing $file"
        path=${file%/*}
        # To get: /tmp/my.dir (like dirname)
        filename=${file##*/}
        # To get: filename.tar.gz (like basename)
        base=${filename%%.*}
        #To get: filename
        ext=${filename#*.}
        
        parts=`echo $filename | awk -F'.' '{for(i=1;i<=NF;i++) printf("%s,", $i); printf("\n")}'`
    
        if [ $i -eq 0 ]
        then
            # this is just to get the headers field names into the file
            awk -v OFS=',' '/^(((max|avg|total)_)?bpred|sim_|avg_total_|total_)/ {print $1,$2}' $file | \
                sort | \
                awk -f experiment_output.awk | \
                head -1 | \
                sed "s/^/filename,${parts}/" \
                >> output/all.$bpred.csv
            
        fi
    
        # transpose each file
        awk -v OFS=',' '/^(((max|avg|total)_)?bpred|sim_|avg_total_|total_)/ {print $1,$2}' $file | \
            sort | \
            awk -f experiment_output.awk | \
            sed -e '1d;n;d' | \
            sed "s/^/${filename},${parts}/" \
            >> output/all.$bpred.csv
            
        let i=i+1
    done
done

experiments.sh

#!/bin/bash

# runs all the experiments

./experiment.sh "anagram" "benchmarks/anagram.alpha benchmarks/words < benchmarks/anagram.in"
./experiment.sh "cc1" "benchmarks/cc1.alpha -O benchmarks/1stmt.i"
# not correct?
./experiment.sh "compress95" "benchmarks/compress95.alpha < benchmarks/c95.in2"
./experiment.sh "go" "benchmarks/go.alpha 50 9 benchmarks/2stone9.in"
# no example present
# ./experiment.sh "perl" "benchmarks/perl.alpha"