" Input: { samples1 - list of original empirical results samples2 - list of new empirical results (lower than original is better) (key1) - prefix for min/max/mean in return dict (key2) - prefix for min/max/mean in return dict } Output: { return - return code = 0, if successful > 0, if error (error) - error text if return > 0 {key1}_min {key2}_min {key1}_max {key2}_max {key1}_mean {key2}_mean {key1}_var {key2}_var {key1}_delta {key2}_delta {key1}_center {key2}_center naive_speedup naive_speedup_min naive_speedup_var - always >= 1.0 } "