=== scipy-0001: SHGO minimizers() — xl_maps list scan ignores xl_maps_set O(V×L) ===
N=100   k=100  : defective=0.097ms  fixed=0.004ms  speedup=25.4x
N=500   k=500  : defective=2.444ms  fixed=0.024ms  speedup=102.4x
N=1000  k=1000 : defective=10.032ms  fixed=0.053ms  speedup=190.6x
N=2000  k=2000 : defective=35.410ms  fixed=0.097ms  speedup=365.3x

