#!/usr/bin/env bash
# Regenerates output/. Set J25 and J27. REPS defaults to 3. Configs are interleaved per repetition
# so slow drift on the machine hits every configuration equally. Timings are indicative only.
set -u
HERE="$(cd "$(dirname "$0")" && pwd)"
OUT="$HERE/../output"; mkdir -p "$OUT"
: "${J25:?}" "${J27:?}"
export JDK_CLIENT="$J25"
REPS=${REPS:-3}
{
  for p in "25|$J25" "27|$J27"; do
    v=${p%%|*}; h=${p#*|}
    echo "== JDK $v"
    "$h/bin/java" -version 2>&1 | grep -v Picked | sed -n 1p
    "$h/bin/java" -XX:+PrintFlagsFinal -version 2>&1 | grep -E ' (UseCompactObjectHeaders|UseG1GC|UseSerialGC|UseZGC|MaxHeapSize) ' | sed 's/ \{2,\}/ /g'
    echo
  done
} > "$OUT/01-defaults.txt"
: > "$OUT/02-runs.txt"
for r in $(seq 1 "$REPS"); do
  "$HERE/run-one.sh" "$J25" "jdk25 defaults"                       >> "$OUT/02-runs.txt" 2>&1
  "$HERE/run-one.sh" "$J25" "jdk25 +CompactObjectHeaders" -XX:+UseCompactObjectHeaders >> "$OUT/02-runs.txt" 2>&1
  "$HERE/run-one.sh" "$J27" "jdk27 defaults"                       >> "$OUT/02-runs.txt" 2>&1
  "$HERE/run-one.sh" "$J27" "jdk27 -CompactObjectHeaders" -XX:-UseCompactObjectHeaders >> "$OUT/02-runs.txt" 2>&1
done
"$HERE/summarize.sh" "$OUT/02-runs.txt" > "$OUT/03-summary.txt"
# 04 - resident data set after a forced full GC (this is where compact headers show up)
{
  for r in 1 2 3; do
    "$HERE/live-set.sh" "$J25" "jdk25 defaults"
    "$HERE/live-set.sh" "$J25" "jdk25 +CompactObjectHeaders" -XX:+UseCompactObjectHeaders
    "$HERE/live-set.sh" "$J27" "jdk27 defaults"
    "$HERE/live-set.sh" "$J27" "jdk27 -CompactObjectHeaders" -XX:-UseCompactObjectHeaders
  done
} > "$OUT/04-live-set.txt" 2>&1