#!/usr/bin/env bash
set -euo pipefail

# Sweep bench-fastpath refill sizes (8/12/16) and run Tiny-Hot triad each.
# Usage: scripts/run_benchfast_sweep.sh [cycles]

ROOT_DIR=$(cd "$(dirname "$0")/.." && pwd)
cd "$ROOT_DIR"

cycles=${1:-60000}

echo "[build] system/mimalloc (fast + mi)"
make -s bench_fast bench_tiny_hot_mi >/dev/null

TS=$(date +%Y%m%d_%H%M%S)
OUTDIR="bench_results/tiny_benchfast_sweep_${TS}"
mkdir -p "$OUTDIR"

run_case() {
  local tag="$1"; shift
  echo "[build] HAKMEM bench-fastpath (${tag})"
  make -s "bench_fastpath_${tag}" >/dev/null
  echo "[run] triad (${tag})"
  SKIP_BUILD=1 bash scripts/run_tiny_hot_triad.sh "$cycles"
  # pick the latest triad CSV and copy with tag
  local latest_csv
  latest_csv=$(ls -1dt bench_results/tiny_hot_triad_* | head -1)/results.csv
  cp "$latest_csv" "$OUTDIR/results_${tag}.csv"
  echo "[saved] $OUTDIR/results_${tag}.csv"
}

run_case r8
run_case r12
run_case r16

echo "[done] sweep outputs in: $OUTDIR"