divsim-code / sweep /sweep_dyadic.py
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divsim reproducibility bundle: simulator, sweeps, analyses (step_marks fix)
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"""
Dyadic (2-model) combinatorial sweep for the divsim paper.
Enumerates all ordered pairs from the 5 paper models, crossed with 5 persona seeds,
for a total of C(5,2)×2×5 = 100 configurations. Each configuration launches one
run of the OASIS simulator in hetero mode.
Configuration is read from environment variables:
RUNS_DIR — output directory for .db files (required)
VENV_PATH — path to the Python venv with oasis installed
OASIS_RUNNER — path to run_v9.py (defaults to <this_dir>/../oasis/run_v9.py)
LOGS_DIR — directory for per-run log files
Usage:
python sweep_dyadic.py --dry-run # print all configs, no launch
python sweep_dyadic.py --mode 2model # all 2-model runs (default)
python sweep_dyadic.py --max-parallel 2 # limit concurrent runs
python sweep_dyadic.py --skip-existing # skip runs whose DB already exists
"""
import argparse
import itertools
import os
import subprocess
import time
from pathlib import Path
RUNS_DIR = Path(os.environ.get("RUNS_DIR", "./runs"))
VENV = os.environ.get("VENV_PATH", str(Path(__file__).parent.parent / ".venv"))
RUNNER = Path(os.environ.get("OASIS_RUNNER",
str(Path(__file__).parent.parent / "oasis" / "run_v9.py")))
LOGS_DIR = Path(os.environ.get("LOGS_DIR", "./logs/sweep"))
MODELS = {
"qwen": ("Qwen/Qwen3-32B", "http://localhost:8002/v1"),
"oss": ("openai/gpt-oss-20b", "http://localhost:8003/v1"),
"mag": ("mistralai/Magistral-Small-2509", "http://localhost:8004/v1"),
"glm": ("zai-org/GLM-4-32B-0414", "http://localhost:8007/v1"),
"gem": ("google/gemma-4-31B-it", "http://localhost:8009/v1"),
}
MODEL_KEYS = list(MODELS.keys())
SEEDS = [42, 137, 271, 314, 999]
STEPS = 100
N_AGENTS = 20 # 10 per group
def run_id(a: str, b: str, seed: int) -> str:
return f"sweep_{a[:3]}_{b[:3]}_s{seed}"
def db_is_valid(db: Path) -> bool:
"""Return True if the DB has enough data to be considered a complete run."""
if not db.exists():
return False
try:
import sqlite3
conn = sqlite3.connect(db)
nu = conn.execute("SELECT COUNT(DISTINCT user_id) FROM comment").fetchone()[0]
nc = conn.execute("SELECT COUNT(*) FROM comment").fetchone()[0]
conn.close()
return nu >= 18 and nc >= 200
except Exception:
return False
def launch(a: str, b: str, seed: int, dry_run: bool) -> dict:
rid = run_id(a, b, seed)
db = RUNS_DIR / f"{rid}.db"
log = LOGS_DIR / f"{rid}.log"
ma, mb = MODELS[a], MODELS[b]
env = {
**os.environ,
"VLLM_URL_A": ma[1], "MODEL_NAME_A": ma[0],
"VLLM_URL_B": mb[1], "MODEL_NAME_B": mb[0],
"OASIS_DB_PATH": str(db),
}
cmd = [
f"{VENV}/bin/python3", str(RUNNER),
"--mode", "hetero",
"--steps", str(STEPS),
"--agents", str(N_AGENTS),
"--seed-posts", str(N_AGENTS),
"--activate-prob", "0.3",
"--rng-seed", str(seed),
"--db", str(db),
]
if dry_run:
print(f" [DRY] {rid} A={a}({ma[0]}) B={b}({mb[0]}) seed={seed}")
return {"rid": rid, "proc": None}
LOGS_DIR.mkdir(parents=True, exist_ok=True)
RUNS_DIR.mkdir(parents=True, exist_ok=True)
with open(log, "w") as lf:
proc = subprocess.Popen(cmd, env=env, stdout=lf, stderr=lf)
print(f" [{rid}] PID={proc.pid} A={a} B={b} seed={seed}")
return {"rid": rid, "proc": proc}
def all_configs():
configs = []
for pair in itertools.combinations(MODEL_KEYS, 2):
for perm in itertools.permutations(pair):
for seed in SEEDS:
configs.append((perm[0], perm[1], seed))
return configs
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--dry-run", action="store_true",
help="Print configs without launching.")
parser.add_argument("--max-parallel", type=int, default=2,
help="Maximum concurrent runs.")
parser.add_argument("--skip-existing", action="store_true", default=True,
help="Skip runs whose DB already exists and is valid.")
args = parser.parse_args()
configs = all_configs()
print(f"Dyadic sweep: {len(configs)} configs "
f"(C(5,2)×2 ordered pairs × {len(SEEDS)} seeds)")
print(f"Seeds: {SEEDS} max_parallel: {args.max_parallel} "
f"dry_run: {args.dry_run}")
active = []
for a, b, seed in configs:
active = [r for r in active if r["proc"] and r["proc"].poll() is None]
while len(active) >= args.max_parallel:
time.sleep(10)
active = [r for r in active if r["proc"] and r["proc"].poll() is None]
if args.skip_existing:
db = RUNS_DIR / f"{run_id(a, b, seed)}.db"
if db_is_valid(db):
print(f" [skip] {run_id(a, b, seed)} (valid DB exists)")
continue
r = launch(a, b, seed, args.dry_run)
if r["proc"]:
active.append(r)
time.sleep(2)
for r in active:
if r["proc"]:
r["proc"].wait()
print("All dyadic configs done.")
if __name__ == "__main__":
main()