=== nifi-0001: Controller Service topological sort O(S²) → O(S) ===
N=100   k=100  : defective=0.093ms  fixed=0.004ms  speedup=24.8x
N=500   k=500  : defective=2.286ms  fixed=0.022ms  speedup=105.2x
N=1000  k=1000 : defective=8.833ms  fixed=0.045ms  speedup=194.8x
N=2000  k=2000 : defective=44.429ms  fixed=0.103ms  speedup=433.2x

