#!/usr/bin/env bash
# Run-queue shootout driver (ROADMAP_v0.5 phase 4).
#
# Rebuilds the runtime bench once per rq-* feature and runs the raw-structure
# microbench once (it covers all structures in a single binary). Results land
# in bench_results/ as full logs; the RQCSV lines are aggregated into
# bench_results/summary.csv for plotting.
#
# Tune the sweep for the box, e.g. on the 20-core machine:
#   SMARM_BENCH_THREADS="1 2 4 8 16 20" ./scripts/bench_rq.sh
set -euo pipefail
cd "$(dirname "$0")/.."

OUT=bench_results
mkdir -p "$OUT"
: "${SMARM_BENCH_THREADS:=1 2 4}"
export SMARM_BENCH_THREADS

echo "== raw structures (one binary, all variants) =="
cargo bench --bench rq_micro 2>&1 | tee "$OUT/micro.txt"

for v in rq-mutex rq-mpmc rq-striped; do
  echo "== runtime benches: $v =="
  cargo bench --bench rq_runtime --no-default-features --features "$v" \
    2>&1 | tee "$OUT/runtime-$v.txt"
done

echo "bench,kind,a,b,c,d,median_us,ops_per_s" > "$OUT/summary.csv"
grep -h '^RQCSV,' "$OUT"/*.txt | sed 's/^RQCSV,//' >> "$OUT/summary.csv"
echo
echo "Summary: $OUT/summary.csv ($(($(wc -l < "$OUT/summary.csv") - 1)) rows)"