=== celery-0001: celery-0001 — O(N²) ResultSet Membership Test in update()/add() ===
N=100   k=100  : defective=0.088ms  fixed=0.004ms  speedup=24.1x
N=500   k=500  : defective=2.097ms  fixed=0.020ms  speedup=103.0x
N=1000  k=1000 : defective=9.269ms  fixed=0.047ms  speedup=198.9x
N=2000  k=2000 : defective=40.358ms  fixed=0.103ms  speedup=392.3x

=== celery-0002: cel-0001: canvas.py append_to_list_option O(N²) list membership in chain/chord build loops ===
N=100   k=100  : defective=0.093ms  fixed=0.004ms  speedup=24.7x
N=500   k=500  : defective=2.372ms  fixed=0.091ms  speedup=26.0x
N=1000  k=1000 : defective=9.207ms  fixed=0.046ms  speedup=198.3x
N=2000  k=2000 : defective=40.644ms  fixed=0.107ms  speedup=378.6x

