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#!/usr/bin/env bash
# library-bench.sh — reproducible RSS/duration benchmark for the OpenHuman
# core as an embedded library, using the `library-profile` binary.
#
# Runs each scenario N times as a FRESH process (no state shared across
# repeats), captures each run's JSON, and aggregates medians/min/max into a
# markdown + JSON summary. Companion scripts: library-cpu.sh (samply),
# library-heap.sh (dhat).
#
# Usage:
# ./scripts/profile/library-bench.sh [options]
#
# Options:
# --slim Build with --no-default-features (slim library recipe)
# --repeat N Fresh-process repeats per scenario (default: 5)
# --scenarios "a,b,c" Comma-separated scenario list (default: all seven)
# --turns N OPENHUMAN_PROFILE_TURNS for long-agent (default binary default: 25)
# --skip-build Reuse the existing target/release binaries
# --warm Also run PREWARM_SUBAGENTS=1 variants for subagents + subconscious
# --out DIR Output directory (default: target/profile/rust-library/bench-<timestamp>)
# -h, --help Show this help
#
# Examples:
# ./scripts/profile/library-bench.sh
# ./scripts/profile/library-bench.sh --slim --repeat 7
# ./scripts/profile/library-bench.sh --scenarios "long-agent,subagents" --turns 50 --warm
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
ALL_SCENARIOS="memory-ingest,subagents,agent-turn,long-agent,workflow,subconscious,cold-phases"
WARM_ELIGIBLE=("subagents" "subconscious")
SLIM=0
REPEAT=5
SCENARIOS="$ALL_SCENARIOS"
TURNS=""
SKIP_BUILD=0
WARM=0
OUT_DIR=""
usage() {
sed -n '2,26p' "${BASH_SOURCE[0]}" | sed 's/^# \{0,1\}//'
exit "${1:-0}"
}
while [[ $# -gt 0 ]]; do
case "$1" in
--slim) SLIM=1; shift ;;
--repeat)
REPEAT="${2:?--repeat requires a value}"; shift 2 ;;
--scenarios)
SCENARIOS="${2:?--scenarios requires a value}"; shift 2 ;;
--turns)
TURNS="${2:?--turns requires a value}"; shift 2 ;;
--skip-build) SKIP_BUILD=1; shift ;;
--warm) WARM=1; shift ;;
--out)
OUT_DIR="${2:?--out requires a value}"; shift 2 ;;
-h|--help) usage 0 ;;
*)
echo "ERROR: unknown argument: $1" >&2
usage 1 ;;
esac
done
if ! command -v jq >/dev/null 2>&1; then
echo "ERROR: jq is required (aggregation over run JSON). Install it (e.g. 'brew install jq')." >&2
exit 1
fi
if [[ -z "$OUT_DIR" ]]; then
OUT_DIR="$REPO_ROOT/target/profile/rust-library/bench-$(date +%Y%m%d-%H%M%S)"
fi
mkdir -p "$OUT_DIR"
BIN="$REPO_ROOT/target/release/library-profile"
log() { echo "[library-bench] $*" >&2; }
build_binaries() {
if [[ "$SKIP_BUILD" -eq 1 ]]; then
log "skipping build (--skip-build)"
return
fi
local feature_args=(--features rss-bench)
if [[ "$SLIM" -eq 1 ]]; then
feature_args=(--no-default-features --features rss-bench)
log "building slim library-profile + rss-bench (GGML_NATIVE=OFF)"
else
log "building default-feature library-profile + rss-bench (GGML_NATIVE=OFF)"
fi
(
cd "$REPO_ROOT"
GGML_NATIVE=OFF cargo build --release \
"${feature_args[@]}" \
--bin library-profile --bin rss-bench
)
}
run_scenario() {
local scenario="$1"
local variant="$2" # "" or "warm"
local label="$scenario"
[[ -n "$variant" ]] && label="${scenario}-${variant}"
local scenario_dir="$OUT_DIR/$label"
mkdir -p "$scenario_dir"
log "running scenario '$label' x$REPEAT (fresh process each run)"
local i
for ((i = 1; i <= REPEAT; i++)); do
local run_file="$scenario_dir/run-$i.json"
local env_args=()
if [[ "$scenario" == "long-agent" && -n "$TURNS" ]]; then
env_args+=(env "OPENHUMAN_PROFILE_TURNS=$TURNS")
fi
if [[ "$variant" == "warm" ]]; then
env_args+=(env "OPENHUMAN_PROFILE_PREWARM_SUBAGENTS=1")
fi
if [[ ${#env_args[@]} -gt 0 ]]; then
"${env_args[@]}" "$BIN" "$scenario" >"$run_file"
else
"$BIN" "$scenario" >"$run_file"
fi
if ! jq empty "$run_file" >/dev/null 2>&1; then
echo "ERROR: run $i for scenario '$label' did not produce valid JSON: $run_file" >&2
exit 1
fi
# library-heap.sh clobbers target/release/library-profile with the
# rss-bench-dhat build, whose allocator perturbs RSS/timing. The dhat
# binary marks its output, so refuse to benchmark it.
if [[ "$(jq -r '.dhat // false' "$run_file")" == "true" ]]; then
echo "ERROR: $BIN was built with rss-bench-dhat (library-heap.sh clobbered it)." >&2
echo " Re-run without --skip-build to rebuild the plain rss-bench binary." >&2
exit 1
fi
done
}
# Emit the median (lower-middle for even N), min, and max of a jq numeric
# field across the run files for one scenario, as a JSON object on stdout.
aggregate_field() {
local scenario_dir="$1"
local jq_path="$2"
jq -s "
[ .[] | $jq_path | select(. != null) ] as \$vals |
(\$vals | sort) as \$sorted |
(\$sorted | length) as \$n |
{
median: (if \$n == 0 then null else \$sorted[(( \$n - 1) / 2 | floor)] end),
min: (\$sorted[0] // null),
max: (\$sorted[-1] // null),
n: \$n
}
" "$scenario_dir"/run-*.json
}
aggregate_scenario() {
local label="$1"
local scenario_dir="$OUT_DIR/$label"
local duration settled_rss retained_delta peak_delta
duration=$(aggregate_field "$scenario_dir" ".duration_ms")
settled_rss=$(aggregate_field "$scenario_dir" ".settled.rss_kib")
retained_delta=$(aggregate_field "$scenario_dir" ".retained_delta_kib")
peak_delta=$(aggregate_field "$scenario_dir" ".peak_delta_kib")
local turn_growth="null"
if [[ "$label" == long-agent* ]]; then
# first-turn vs last-turn checkpoint rss delta (steady-state growth).
turn_growth=$(jq -s '
[ .[] |
(.checkpoints // []) as $cps |
if ($cps | length) >= 2 then
($cps[-1].rss_kib - $cps[0].rss_kib)
else empty end
] as $vals |
($vals | sort) as $sorted |
($sorted | length) as $n |
if $n == 0 then null
else $sorted[((($n - 1) / 2) | floor)]
end
' "$scenario_dir"/run-*.json)
fi
jq -n \
--arg scenario "$label" \
--argjson duration "$duration" \
--argjson settled_rss "$settled_rss" \
--argjson retained_delta "$retained_delta" \
--argjson peak_delta "$peak_delta" \
--argjson turn_growth_kib "$turn_growth" \
'{
scenario: $scenario,
duration_ms: $duration,
settled_rss_kib: $settled_rss,
retained_delta_kib: $retained_delta,
peak_delta_kib: $peak_delta,
long_agent_turn_growth_kib: $turn_growth_kib
}'
}
kib_to_mib() {
# $1: kib value (may be null). Prints "n/a" for null.
local kib="$1"
if [[ "$kib" == "null" || -z "$kib" ]]; then
echo "n/a"
return
fi
jq -n --argjson kib "$kib" '($kib / 1024 * 100 | round) / 100'
}
write_summary() {
local summary_json="$OUT_DIR/summary.json"
local summary_md="$OUT_DIR/summary.md"
jq -s '{ generated_at: (now | todate), build: ($ENV.LIBRARY_BENCH_BUILD // "default"), repeat: ($ENV.LIBRARY_BENCH_REPEAT | tonumber), scenarios: . }' \
"$OUT_DIR"/*.scenario.json >"$summary_json"
{
echo "# Library benchmark summary"
echo
echo "Build: \`${LIBRARY_BENCH_BUILD}\` "
echo "Repeats per scenario: ${LIBRARY_BENCH_REPEAT} "
echo "Generated: $(date)"
echo
echo "| Scenario | Median settled RSS (MiB) | Median retained Δ (MiB) | Median peak Δ (MiB) | Median duration (ms) |"
echo "| --- | ---: | ---: | ---: | ---: |"
local f
for f in "$OUT_DIR"/*.scenario.json; do
local scenario settled retained peak duration
scenario=$(jq -r '.scenario' "$f")
settled=$(kib_to_mib "$(jq -r '.settled_rss_kib.median' "$f")")
retained=$(kib_to_mib "$(jq -r '.retained_delta_kib.median' "$f")")
peak=$(kib_to_mib "$(jq -r '.peak_delta_kib.median' "$f")")
duration=$(jq -r '.duration_ms.median // "n/a"' "$f")
echo "| $scenario | $settled | $retained | $peak | $duration |"
done
echo
local long_growth_file
for long_growth_file in "$OUT_DIR"/long-agent*.scenario.json; do
[[ -e "$long_growth_file" ]] || continue
local growth
growth=$(jq -r '.long_agent_turn_growth_kib // "n/a"' "$long_growth_file")
if [[ "$growth" != "n/a" && "$growth" != "null" ]]; then
local growth_mib
growth_mib=$(kib_to_mib "$growth")
echo "**$(jq -r '.scenario' "$long_growth_file") steady-state growth** (first-turn to last-turn checkpoint delta, median across runs): ${growth_mib} MiB."
echo
fi
done
cat <<'EOF'
## External comparison point (not apples-to-apples)
ZeroClaw self-reports (unverified) idling under 5 MiB RAM and roughly 8-12 MiB
under load. OpenHuman's Rust core currently settles around 35-50 MiB depending
on scenario and feature set (see docs/library-benchmarking.md and
docs/resource-profiling-session-2026-07-21.md for scope/caveats). Treat this as
a north star, not a like-for-like comparison: ZeroClaw's feature surface and
scope differ substantially from the OpenHuman core.
EOF
} >"$summary_md"
}
main() {
build_binaries
if [[ ! -x "$BIN" ]]; then
echo "ERROR: $BIN not found or not executable. Build it or drop --skip-build." >&2
exit 1
fi
IFS=',' read -r -a scenario_list <<<"$SCENARIOS"
for scenario in "${scenario_list[@]}"; do
run_scenario "$scenario" ""
if [[ "$WARM" -eq 1 ]]; then
for eligible in "${WARM_ELIGIBLE[@]}"; do
if [[ "$scenario" == "$eligible" ]]; then
run_scenario "$scenario" "warm"
fi
done
fi
done
# Build one *.scenario.json per label for the summary step.
for scenario_dir in "$OUT_DIR"/*/; do
[[ -d "$scenario_dir" ]] || continue
local_label="$(basename "$scenario_dir")"
aggregate_scenario "$local_label" >"$OUT_DIR/${local_label}.scenario.json"
done
export LIBRARY_BENCH_BUILD
LIBRARY_BENCH_BUILD=$([[ "$SLIM" -eq 1 ]] && echo "slim" || echo "default")
export LIBRARY_BENCH_REPEAT="$REPEAT"
write_summary
log "results: $OUT_DIR"
cat "$OUT_DIR/summary.md"
}
main "$@"