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

# 10-run Mixed benchmark with explicit clean ENV for frozen/research knobs.
# Purpose: avoid "bench_setenv_default() does not override exported ENV" drift.

profile=${HAKMEM_PROFILE:-MIXED_TINYV3_C7_SAFE}
iters=${ITERS:-20000000}
ws=${WS:-400}
runs=${RUNS:-10}
bin=${BENCH_BIN:-./bench_random_mixed_hakmem}

# Keep profiles reproducible even if user exported env vars.
case "${profile}" in
  MIXED_TINYV3_C7_BALANCED)
    export HAKMEM_SS_MEM_LEAN=1
    export HAKMEM_SS_MEM_LEAN_DECOMMIT=OFF
    export HAKMEM_SS_MEM_LEAN_TARGET_MB=10
    ;;
  *)
    export HAKMEM_SS_MEM_LEAN=0
    export HAKMEM_SS_MEM_LEAN_DECOMMIT=OFF
    export HAKMEM_SS_MEM_LEAN_TARGET_MB=10
    ;;
esac

# Force known research knobs OFF to avoid accidental carry-over.
export HAKMEM_TINY_HEADER_WRITE_ONCE=${HAKMEM_TINY_HEADER_WRITE_ONCE:-0}
export HAKMEM_TINY_C7_PRESERVE_HEADER=${HAKMEM_TINY_C7_PRESERVE_HEADER:-0}
export HAKMEM_TINY_TCACHE=${HAKMEM_TINY_TCACHE:-0}
export HAKMEM_TINY_TCACHE_CAP=${HAKMEM_TINY_TCACHE_CAP:-64}
export HAKMEM_MALLOC_TINY_DIRECT=${HAKMEM_MALLOC_TINY_DIRECT:-0}
export HAKMEM_FRONT_FASTLANE_ALLOC_LEGACY_DIRECT=${HAKMEM_FRONT_FASTLANE_ALLOC_LEGACY_DIRECT:-0}
export HAKMEM_FORCE_LIBC_ALLOC=${HAKMEM_FORCE_LIBC_ALLOC:-0}
export HAKMEM_ENV_SNAPSHOT_SHAPE=${HAKMEM_ENV_SNAPSHOT_SHAPE:-0}
export HAKMEM_TINY_C7_ULTRA_HEADER_LIGHT=${HAKMEM_TINY_C7_ULTRA_HEADER_LIGHT:-0}
export HAKMEM_TINY_C2_LOCAL_CACHE=${HAKMEM_TINY_C2_LOCAL_CACHE:-0}
export HAKMEM_TINY_INLINE_SLOTS_SWITCHDISPATCH_FIXED=${HAKMEM_TINY_INLINE_SLOTS_SWITCHDISPATCH_FIXED:-0}
# NOTE: Phase 19-1b is promoted in presets. Keep cleanenv aligned by default.
export HAKMEM_FASTLANE_DIRECT=${HAKMEM_FASTLANE_DIRECT:-1}
# NOTE: Phase 9/10 are promoted (bench_profile defaults to 1). Keep cleanenv aligned by default.
export HAKMEM_FREE_TINY_FAST_MONO_DUALHOT=${HAKMEM_FREE_TINY_FAST_MONO_DUALHOT:-1}
export HAKMEM_FREE_TINY_FAST_MONO_LEGACY_DIRECT=${HAKMEM_FREE_TINY_FAST_MONO_LEGACY_DIRECT:-1}
# NOTE: Phase 69-1 winner (Warm Pool Size=16, +3.26% Strong GO, ENV-only)
export HAKMEM_WARM_POOL_SIZE=${HAKMEM_WARM_POOL_SIZE:-16}
# NOTE: Phase 75-3 winner (C5+C6 Inline Slots, +5.41% GO, 4-point matrix A/B)
export HAKMEM_TINY_C5_INLINE_SLOTS=${HAKMEM_TINY_C5_INLINE_SLOTS:-1}
export HAKMEM_TINY_C6_INLINE_SLOTS=${HAKMEM_TINY_C6_INLINE_SLOTS:-1}
# NOTE: Phase 76-1 winner (C4 Inline Slots, +1.73% GO, 10-run A/B)
export HAKMEM_TINY_C4_INLINE_SLOTS=${HAKMEM_TINY_C4_INLINE_SLOTS:-1}
# NOTE: Phase 78-1 winner (Inline Slots Fixed Mode, removes per-op ENV gate overhead)
export HAKMEM_TINY_INLINE_SLOTS_FIXED=${HAKMEM_TINY_INLINE_SLOTS_FIXED:-1}
# NOTE: Phase 80-1 winner (Switch dispatch for inline slots, removes if-chain comparisons)
export HAKMEM_TINY_INLINE_SLOTS_SWITCHDISPATCH=${HAKMEM_TINY_INLINE_SLOTS_SWITCHDISPATCH:-1}

if [[ "${HAKMEM_BENCH_ENV_LOG:-0}" == "1" ]]; then
  if [[ -x ./scripts/bench_env_banner.sh ]]; then
    ./scripts/bench_env_banner.sh >&2 || true
  fi
fi

for i in $(seq 1 "${runs}"); do
  echo "=== Run ${i}/${runs} ==="
  HAKMEM_PROFILE="${profile}" "${bin}" "${iters}" "${ws}" 1 2>&1 | rg "Throughput" || true
done