| """Phase 4: Topological compilation (theoretical only).
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| Compile quantum circuits to Fibonacci anyon braids.
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| Generate braid sequences and resource estimates.
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| NO PHYSICAL HARDWARE CONSTRUCTION.
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| Outputs:
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| - Braid word sequences
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| - Total braid count & depth
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| - Adiabatic schedule (time)
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| - Theoretical feasibility assessment
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| """
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| import json
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| from datetime import datetime
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| from pathlib import Path
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| def generate_braid_compilation():
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| """Compile quantum circuit to braids (theoretical)."""
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| print("[Phase 4] Topological Compilation (Theory Only)")
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| print("=" * 60)
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| print("\n1. Compilation configurations:")
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| configs = [
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| {
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| "circuit": "SHA-520-4 (16-bit preimage)",
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| "logical_qubits": 30,
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| "t_gates": 8000,
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| "clifford_gates": 2000,
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| },
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| {
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| "circuit": "SHA-520-8 (24-bit preimage)",
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| "logical_qubits": 50,
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| "t_gates": 16000,
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| "clifford_gates": 4000,
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| },
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| ]
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| results = []
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| for cfg in configs:
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| physical_anyons = cfg['logical_qubits'] * 4
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| t_braids = cfg['t_gates'] * 300
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| clifford_braids = cfg['clifford_gates'] * 10
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| total_braids = t_braids + clifford_braids
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| total_time_ns = total_braids * 10
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| total_time_sec = total_time_ns * 1e-9
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| result = {
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| "circuit": cfg['circuit'],
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| "logical_qubits": cfg['logical_qubits'],
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| "physical_anyons": physical_anyons,
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| "t_gates": cfg['t_gates'],
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| "clifford_gates": cfg['clifford_gates'],
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| "t_braids": t_braids,
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| "clifford_braids": clifford_braids,
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| "total_braids": total_braids,
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| "total_time_ns": total_time_ns,
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| "total_time_sec": total_time_sec,
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| "feasibility": "THEORETICAL" if physical_anyons > 10000 else "SIMULABLE"
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| }
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| results.append(result)
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| print(f"\n {cfg['circuit']}:")
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| print(f" Physical anyons: {physical_anyons}")
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| print(f" Total braids: {total_braids:,}")
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| print(f" Time: {total_time_sec:.2e} seconds")
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| print(f" Status: {result['feasibility']}")
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| report = {
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| "timestamp": datetime.now().isoformat(),
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| "phase": "4",
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| "status": "THEORETICAL",
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| "warning": "NO PHYSICAL HARDWARE CONSTRUCTED",
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| "compilations": results,
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| "total_anyons_max": max(r['physical_anyons'] for r in results),
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| "scalability_limit": "~10^4-10^5 anyons (topological advantage lost)",
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| }
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| print("\n2. Summary:")
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| print(f" Total configurations: {len(results)}")
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| print(f" Max physical anyons: {report['total_anyons_max']:,}")
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| print(f" Scalability: {report['scalability_limit']}")
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| output_file = Path(__file__).with_name("phase4_report.json")
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| with output_file.open("w", encoding="utf-8") as f:
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| json.dump(report, f, indent=2)
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| print(f"\n OK Report saved to {output_file}")
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| return report
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| if __name__ == "__main__":
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| generate_braid_compilation()
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|
