baseline_v1/src/transport_stress.py

"""Declared follow-up stress test: consume more than initial local inventory.
Default runs did not establish a strong transport effect. These runs test that risk.
"""
import json
from pathlib import Path
from local_growth import Config,simulate
R=Path(__file__).resolve().parents[1]
out=[]
for spacing in [5,0]:
    for seed in range(4):
        cfg=Config(n=32,dim=2,steps=3000,dwell=8.,maintenance_cost=.25,
                   channel_spacing=spacing,seed=40200+seed)
        res,arr=simulate({'op':'paired_path','n':32},cfg)
        out.append(res)
    vals=out[-4:]
    print(spacing,[(round(v['completed_fraction'],3),round(v['material_fidelity'],3),round(v['growth_time'],2)) for v in vals],flush=True)
(R/'results'/'transport_stress.json').write_text(json.dumps(out,indent=2))