#!/usr/bin/env bash
set -eu
. common
while getopts a:gh OPT; do
  case "$OPT" in
    a)
      arch="$OPTARG"
      ;;
  esac
done
shift "$(($OPTIND - 1))"

# Vars
set_common_vars "$arch" true
cmd="./run -a $arch -g"
cpt="-E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh'"
cache_small='--caches --l2cache --l1d_size=1024   --l1i_size=1024   --l2_size=1024   --l3_size=1024'
cache_large='--caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB'
result_file="${gem5_out_dir}/bench-cache.txt"

bench() (
  cmd="$1"
  ./eeval "$cmd" "$result_file"
  ./gem5-ncycles -a "$arch" >> "$result_file"
)

bench-all() (
  bench "$cmd -- -r 1"
  bench "$cmd -- -r 2 $cache_small"
  bench "$cmd -- -r 3 $cache_large"
  bench "$cmd -- -r 4 $cache_small --cpu-type=HPI"
  bench "$cmd -- -r 5 $cache_large --cpu-type=HPI"
)

# Files.
rm -rf \
  "$result_file" \
  "${m5out_dir}/cpt.*" \
;

# Create the checkpoints after the kernel boot.
printf 'm5 exit' >"${readfile_file}"
./eeval "$cmd $cpt"
./eeval "$cmd $cpt -- $cache_small"
./eeval "$cmd $cpt -- $cache_large"
./eeval "$cmd $cpt -- $cache_small --cpu-type=HPI"
./eeval "$cmd $cpt -- $cache_large --cpu-type=HPI"

# dhrystone 1.000
printf '#!/bin/sh
m5 resetstats
dhrystone 1000
m5 exit
' >"${readfile_file}"
bench-all

# dhrystone 10.000
sed -Ei 's/^dhrystone .*/dhrystone 10000/' "${readfile_file}"
bench-all

# dhrystone 100.000
sed -Ei 's/^dhrystone .*/dhrystone 100000/' "${readfile_file}"
bench-all