#!/bin/bash
# HAKMEM Comprehensive Benchmark Runner
# Tests all major performance categories

set -e

echo "========================================"
echo "  HAKMEM Comprehensive Benchmark Suite"
echo "========================================"
echo ""

# Check if executables exist
if [ ! -f "./bench_mid_large_mt_hakmem" ]; then
    echo "❌ Benchmarks not built! Run ./build_hakmem.sh first"
    exit 1
fi

RESULTS_DIR="benchmarks/results/pool_tls_phase1_$(date +%Y%m%d_%H%M%S)"
mkdir -p "${RESULTS_DIR}"

echo "Results will be saved to: ${RESULTS_DIR}"
echo ""

# 1. Mid-Large MT (Pool TLS Phase 1 showcase)
echo "[1/4] Mid-Large MT Benchmark (8-32KB, Pool TLS Phase 1)..."
echo "========================================"
./bench_mid_large_mt_hakmem | tee "${RESULTS_DIR}/mid_large_mt.txt"
echo ""

# 2. Tiny Random Mixed (Phase 7 showcase)
echo "[2/4] Tiny Random Mixed (128B-1024B, Phase 7)..."
echo "========================================"
for size in 128 256 512 1024; do
    echo "Size: ${size}B"
    ./bench_random_mixed_hakmem 10000 ${size} 12345 | tee "${RESULTS_DIR}/random_mixed_${size}B.txt"
    echo ""
done

# 3. Larson Multi-threaded (Stability + MT performance)
echo "[3/4] Larson Multi-threaded (1T, 4T)..."
echo "========================================"
echo "1 Thread:"
./larson_hakmem 2 8 128 1024 1 12345 1 | tee "${RESULTS_DIR}/larson_1T.txt"
echo ""
echo "4 Threads:"
./larson_hakmem 2 8 128 1024 1 12345 4 | tee "${RESULTS_DIR}/larson_4T.txt"
echo ""

# 4. Quick comparison with System malloc
echo "[4/4] Quick System malloc comparison..."
echo "========================================"
if [ -f "./bench_mid_large_mt_system" ]; then
    echo "System malloc (Mid-Large):"
    ./bench_mid_large_mt_system | tee "${RESULTS_DIR}/mid_large_mt_system.txt"
else
    echo "⚠️  System benchmark not built, skipping comparison"
fi
echo ""

# Summary
echo ""
echo "========================================"
echo "  Benchmark Complete!"
echo "========================================"
echo ""
echo "Results saved to: ${RESULTS_DIR}"
echo ""
echo "Key files:"
ls -lh "${RESULTS_DIR}"/*.txt | awk '{print "  - " $9}'
echo ""
echo "To analyze results:"
echo "  cat ${RESULTS_DIR}/mid_large_mt.txt"
echo "  cat ${RESULTS_DIR}/random_mixed_*.txt"
echo ""