feat(olympics): agent Olympics benchmark — multi-language arena, results ledger, model-aware budgets

Fourth benchmark axis: teams of LLM agents deliberate in a room, implement
code in an isolated VM, and are scored deterministically on correctness/speed.

- Multi-language adapter (python/js/go/rust/bash) via MultiPL-E continuation mode
- Append-only JSONL ledger with status tracking (ok/dnf/killed/error) so
  budget-exhausted or crashed runs still record a row (fixes selection bias)
- Model-aware wall-clock scaling (U-shaped by param count; 3x for reasoning)
- Self-owned SIGALRM/SIGTERM watchdog (RunTimeout: BaseException so broad
  except Exception handlers in the infer/completion path can't swallow it)
- Seed forwarded to Ollama sampler + markdown-fence stripping in completion.py
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#!/usr/bin/env python3
"""Agent Olympics launcher — competition benchmark inside hack-house.
A fourth benchmark axis (sibling of bench-ai.py / bench-sandbox.py /
bench-lang.py / bench-safety.py). Teams of LLM agents deliberate in a real
hack-house room, implement code in an isolated VM, and are scored on
correctness/speed (quality/collaboration arrive with the judge in M4).
M1 — the arena spine. One same-model team solves one MBPP problem end-to-end:
room deliberation -> single-driver implement -> PodmanRuntime -> public tests ->
SUBMIT -> hidden-test grade -> replayable transcript -> deterministic score.
Subcommands:
run run one event for one team (M1: same-model 2-member team, one MBPP task)
replay re-render a saved transcript as a room log
score re-score a saved run under a different profile (no re-run)
show print the challenge a task_id/index resolves to
Examples:
python hh/scripts/bench-olympics.py run --model qwen2.5-coder:3b --task 11
python hh/scripts/bench-olympics.py run --model qwen2.5-coder:3b --index 0 \
--room real --max-rounds 2
python hh/scripts/bench-olympics.py replay /tmp/hh-olympics/runs/<dir>/transcript.json
"""
from __future__ import annotations
import argparse
import json
import signal
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parent))
from bench.olympics import arena, budget as obudget, challenge as ch # noqa: E402
from bench.olympics import ledger, roster, scoring # noqa: E402
from bench.olympics import transcript as T # noqa: E402
from bench.olympics.loop import Budget # noqa: E402
from bench.olympics.scoring import EventOutcome # noqa: E402
_BASE_WALL_CLOCK = 300.0 # base seconds before model-aware scaling
class RunTimeout(BaseException):
"""Raised by the watchdog so the normal try/except records a killed row and
the run's own finally blocks still tear down the VM/relay.
Derives from ``BaseException`` (not ``Exception``) on purpose: the inference
and completion paths wrap their HTTP calls in broad ``except Exception``
handlers, and the SIGALRM fires *while* those calls block. An
``Exception``-derived timeout would be swallowed there and treated as a
failed turn, so the deadline would never propagate. ``BaseException`` skips
those handlers (like ``KeyboardInterrupt``) while ``finally`` cleanup and our
explicit ``except RunTimeout`` still run."""
class _Deadline:
"""Hard self-deadline: arm SIGALRM and catch external SIGTERM; both raise
RunTimeout. The harness thus owns and records its own deadline instead of
relying on an external ``timeout`` (whose SIGTERM/SIGKILL would drop the run
from the ledger). SIGKILL still can't be caught — pair with ``timeout -k``
for a truly wedged process."""
def __init__(self, seconds: float):
self.seconds = max(1, int(seconds))
self._prev_alrm = None
self._prev_term = None
def _fire(self, signum, _frame):
raise RunTimeout(f"hard deadline {self.seconds}s (signal {signum})")
def __enter__(self):
self._prev_term = signal.signal(signal.SIGTERM, self._fire)
if hasattr(signal, "SIGALRM"):
self._prev_alrm = signal.signal(signal.SIGALRM, self._fire)
signal.alarm(self.seconds)
return self
def __exit__(self, *_exc):
if hasattr(signal, "SIGALRM"):
signal.alarm(0)
if self._prev_alrm is not None:
signal.signal(signal.SIGALRM, self._prev_alrm)
if self._prev_term is not None:
signal.signal(signal.SIGTERM, self._prev_term)
return False
def _resolve_budget(args, model: str) -> tuple[float, float]:
"""(wall_clock_s, scale). An explicit --wall-clock is honored verbatim
(scale 1.0); otherwise the base is scaled by the model-aware multiplier."""
if args.wall_clock is not None:
return args.wall_clock, 1.0
scale = obudget.budget_scale(model)
return _BASE_WALL_CLOCK * scale, scale
def _load_challenge(args) -> "ch.Challenge":
if args.task is not None:
return ch.load_mbpp(task_id=args.task, language=args.language)
return ch.load_mbpp(index=args.index, language=args.language)
def cmd_run(args) -> int:
challenge = _load_challenge(args)
team = roster.same_model_team(args.model, team_id=args.team,
framing=args.framing)
def prog(p):
print(f" · {p}")
wall_clock, scale = _resolve_budget(args, team.driver().model)
hard = args.hard_timeout if args.hard_timeout is not None else wall_clock * 1.4
mode = "bridge" if args.mode == "bridge" else "direct"
room = "real" if mode == "bridge" else args.room
runtime = "podman" if mode == "bridge" else args.runtime
# shared context so a killed/errored run still records a complete ledger row.
led_ctx = dict(team=team, challenge=challenge, mode=mode, room=room,
runtime=runtime, seed=args.seed,
code_model=args.code_model if mode == "bridge" else None,
wall_clock_budget=round(wall_clock, 1), budget_scale=scale,
path=args.ledger)
def _run() -> dict:
if mode == "bridge":
from bench.olympics import bridge # noqa: E402
print(f"olympics bridge · team={team.id} models={team.models}")
print(f" challenge={challenge.id} REAL room + /ai !task build "
f"framing={args.framing}")
print(f" wall_clock={wall_clock:.0f}s (scale {scale}x) "
f"hard_deadline={hard:.0f}s")
print("-" * 72)
return bridge.run_bridge_event(
team, challenge, host=args.host_room, port=args.port,
password=args.password, ollama=args.ollama,
code_model=args.code_model, out_dir=args.out, seed=args.seed,
profile=args.profile, step_timeout=wall_clock,
agent_chat_confirm=args.agent_chat_confirm, progress=prog)
budget = Budget(deliberate_rounds=args.deliberate_rounds,
implement_attempts=args.max_rounds,
max_tokens=args.max_tokens, wall_clock_s=wall_clock)
print(f"olympics M1 · team={team.id} models={team.models}")
print(f" challenge={challenge.id} room={args.room} "
f"runtime={args.runtime} framing={args.framing}")
print(f" wall_clock={wall_clock:.0f}s (scale {scale}x) "
f"hard_deadline={hard:.0f}s")
print("-" * 72)
room_kwargs = {}
if args.room == "real":
room_kwargs = {"host": args.host_room, "port": args.port,
"password": args.password}
return arena.run_one(
team, challenge, room_kind=args.room, runtime=args.runtime,
budget=budget, profile=args.profile, seed=args.seed,
host=args.ollama, out_dir=args.out, room_kwargs=room_kwargs,
progress=prog)
try:
with _Deadline(hard):
score = _run()
except RunTimeout as e:
row = ledger.append_incomplete(status=ledger.STATUS_KILLED,
error=str(e), **led_ctx)
print(f"\n!! run killed: {e}")
print(f"ledger += {row['run_id']} [killed] → "
f"{args.ledger or ledger.DEFAULT_PATH}")
return 2
except Exception as e: # noqa: BLE001 — record then surface
row = ledger.append_incomplete(status=ledger.STATUS_ERROR,
error=repr(e), **led_ctx)
print(f"\n!! run errored: {e!r}")
print(f"ledger += {row['run_id']} [error] → "
f"{args.ledger or ledger.DEFAULT_PATH}")
raise
print("-" * 72)
scoring.print_score(score)
row = ledger.append(score, team=team, challenge=challenge, mode=mode,
room=score.get("room_substrate", room), runtime=runtime,
seed=args.seed,
code_model=led_ctx["code_model"],
wall_clock_budget=round(wall_clock, 1),
budget_scale=scale, path=args.ledger)
print(f"ledger += {row['run_id']}{args.ledger or ledger.DEFAULT_PATH}")
print(f"transcript: {score['transcript']}")
print(f"replay with: python {Path(__file__).name} replay {score['transcript']}")
return 0 if score["correct"] else 1
def cmd_leaderboard(args) -> int:
rows = ledger.load(args.ledger)
if not rows:
print(f"no runs recorded in {args.ledger or ledger.DEFAULT_PATH}")
return 1
filters = {"team": args.team, "language": args.language,
"models": args.model, "mode": args.mode, "since": args.since}
agg = ledger.leaderboard(rows, by=args.by, filters=filters)
ledger.print_leaderboard(agg, args.by)
print(f"({len(rows)} total runs in {args.ledger or ledger.DEFAULT_PATH})")
return 0
def cmd_replay(args) -> int:
T.replay(args.transcript, show_tools=not args.no_tools)
return 0
def cmd_score(args) -> int:
tx = T.load_transcript(args.transcript) if hasattr(T, "load_transcript") \
else T.Transcript.load(args.transcript)
# reconstruct a minimal EventOutcome from the transcript to re-score
o = _outcome_from_transcript(tx)
budget = tx.manifest.get("budget", {})
s = scoring.score_event(o, profile=args.profile,
budget={"max_rounds": budget.get("implement_attempts", 3)})
scoring.print_score(s)
return 0
def _outcome_from_transcript(tx: "T.Transcript") -> EventOutcome:
correct = False
rounds_to_green = None
attempts = 0
deliberate_passes = set()
submitted = False
for ev in tx.events:
if ev.kind == T.KIND_TOOL and ev.payload.get("label") == "hidden-grade":
correct = bool(ev.payload.get("ok"))
if ev.kind == T.KIND_TOOL and str(ev.payload.get("label", "")).startswith("public-attempt"):
attempts += 1
if ev.payload.get("ok") and rounds_to_green is None:
rounds_to_green = attempts
if ev.kind == T.KIND_MESSAGE and ev.payload.get("text") == "SUBMIT":
submitted = True
if ev.kind == T.KIND_AGENT and ev.phase == "DELIBERATE":
deliberate_passes.add(round(ev.ts))
return EventOutcome(
team=tx.team, challenge=tx.challenge, submitted=submitted,
correct=correct, rounds=attempts, wall_clock_s=0.0,
tokens=tx.total_tokens(), public_passed=rounds_to_green is not None,
rounds_to_green=rounds_to_green, penalties=[])
def cmd_show(args) -> int:
c = _load_challenge(args)
print(f"id={c.id} language={c.language} meta={c.meta}")
print("public_tests:", c.public_tests)
print("hidden_tests:", c.hidden_tests)
print("--- brief ---"); print(c.brief())
print("--- gen_prompt ---"); print(c.gen_prompt())
return 0
def build_parser() -> argparse.ArgumentParser:
ap = argparse.ArgumentParser(
prog="bench-olympics",
description="agent-olympics competition benchmark (M1 arena spine)")
sub = ap.add_subparsers(dest="cmd", required=True)
def add_challenge_args(p):
p.add_argument("--task", type=int, default=None, help="MBPP task_id")
p.add_argument("--index", type=int, default=0,
help="index into the MBPP test split (if no --task)")
p.add_argument("--language", default="python")
p = sub.add_parser("run", help="run one event for one team")
add_challenge_args(p)
p.add_argument("--model", required=True, help="ollama model for both members")
p.add_argument("--mode", default="direct", choices=["direct", "bridge"],
help="direct: orchestrator builds; bridge: real /ai !task build")
p.add_argument("--code-model", default=None,
help="ollama model for the agent's sandbox build (bridge mode)")
p.add_argument("--agent-chat-confirm", action="store_true",
help="bridge: also drive the agent's streaming /ai chat path in "
"DELIBERATE (off by default — that product path drops the "
"agent via a 1011 keepalive timeout under CPU inference)")
p.add_argument("--team", default="falcon")
p.add_argument("--framing", default="neutral",
choices=["neutral", "competition"])
p.add_argument("--room", default="local", choices=["local", "real"])
p.add_argument("--runtime", default="auto", choices=["auto", "podman", "local"])
p.add_argument("--profile", default="balanced",
choices=list(scoring.PROFILES))
p.add_argument("--deliberate-rounds", type=int, default=2)
p.add_argument("--max-rounds", type=int, default=3,
help="implement/test attempts (speed cap)")
p.add_argument("--max-tokens", type=int, default=8000)
p.add_argument("--wall-clock", type=float, default=None,
help="soft wall-clock budget in seconds; omit to apply "
"model-aware scaling off the 300s base")
p.add_argument("--hard-timeout", type=float, default=None,
help="hard deadline in seconds (SIGALRM/SIGTERM watchdog); "
"default 1.4x the soft budget")
p.add_argument("--seed", type=int, default=0)
p.add_argument("--ollama", default="http://127.0.0.1:11434")
p.add_argument("--out", default="/tmp/hh-olympics/runs")
p.add_argument("--ledger", default=None,
help="append-only results JSONL (default: "
"~/.cache/hh-bench/olympics/ledger.jsonl)")
# real-room knobs
p.add_argument("--host-room", default="127.0.0.1")
p.add_argument("--port", type=int, default=4677)
p.add_argument("--password", default="olympics-pass")
p.set_defaults(func=cmd_run)
p = sub.add_parser("replay", help="re-render a saved transcript")
p.add_argument("transcript")
p.add_argument("--no-tools", action="store_true", help="hide tool output")
p.set_defaults(func=cmd_replay)
p = sub.add_parser("score", help="re-score a saved run under a profile")
p.add_argument("transcript")
p.add_argument("--profile", default="balanced", choices=list(scoring.PROFILES))
p.set_defaults(func=cmd_score)
p = sub.add_parser("show", help="print the resolved challenge")
add_challenge_args(p)
p.set_defaults(func=cmd_show)
p = sub.add_parser("leaderboard",
help="aggregate the results ledger (no re-run)")
p.add_argument("--by", default="team",
help="group key: team | models | language | challenge | mode "
"| framing, or a '+'-joined composite e.g. models+language")
p.add_argument("--team", default=None)
p.add_argument("--language", default=None)
p.add_argument("--model", default=None, help="substring match on team models")
p.add_argument("--mode", default=None, choices=[None, "direct", "bridge"])
p.add_argument("--since", default=None, help="ISO ts lower bound (inclusive)")
p.add_argument("--ledger", default=None)
p.set_defaults(func=cmd_leaderboard)
return ap
def main(argv: list[str] | None = None) -> int:
args = build_parser().parse_args(argv)
return args.func(args)
if __name__ == "__main__":
raise SystemExit(main())