50%|█████     | 2/4 [00:03<00:03,  1.85s/it, st_window2=16, st_window1=8]
 75%|███████▌  | 3/4 [00:04<00:01,  1.58s/it, st_window2=8, st_window1=4] 
100%|██████████| 4/4 [00:05<00:00,  1.37s/it, st_window2=8, st_window1=4]
100%|██████████| 4/4 [00:05<00:00,  1.48s/it, st_window2=8, st_window1=4]
:1: RuntimeWarning: invalid value encountered in power
:1: RuntimeWarning: divide by zero encountered in log
:1: RuntimeWarning: divide by zero encountered in log
:1: RuntimeWarning: divide by zero encountered in log
:1: RuntimeWarning: divide by zero encountered in log