Research on Green Transport Mode of Chinese Bulk Cargo Based on Fourth-Party Logistics

Table 13

PSO and IPSO performance in bulk cargo transport networks of different sizes.

Network scale	Algorithm	BEST	BAD	MEAN	TIME
Small	PSO	127,330	127,330	127,330	9.0721
	IPSO	127,330	127,330	127,330	7.2899
Medium	PSO	366,820	372,820	366,880	13.0755
	IPSO	366,820	366,820	366,820	12.2844
Large	PSO	824,180	837,180	824,960	21.2474
	IPSO	824,180	837,180	824,440	20.1656