Table 7: The results of different scales under different algorithms.

Problem
scale
AlgorithmIRJR-CCCost reduction
The number to obtain Average CPU
time (s)
The number to obtain Average CPU
time (s)

DE 200.7450 200.747233.99%
IDE 200.4037 200.4062

DE 97.5445 207.390537.63%
IDE 204.1093 203.9868

DE 014.5153 013.114739.30%
IDE 207.8123 207.6407

Represents the meaning of “the optimal”, which had been hinted in Section 2.2 and Section 2.3.