Consistent Neighborhood Search for Combinatorial Optimization

Table 1

Comparisons between CNS-GCP and state-of-the-art coloring algorithms.

Graph	𝑛	𝜒,𝑘^∗	CNS-GCP	Tabucol	MMT	GH	MOR
DSJC1000.1	1000	?, 20	21	20	20	20	21
DSJC1000.5	1000	?, 83	89	89	83	83	88
DSJC1000.9	1000	?, 224	226	227	226	224	226
DSJC500.1	500	?, 12	12	12	12	12	12
DSJC500.5	500	?, 48	49	49	48	48	49
DSJC500.9	500	?, 126	127	127	127	126	128
DSJR500.1c	500	?, 85	85	85	85	—	85
DSJR500.5	500	?, 122	126	126	122	—	123
flat1000_50_0	1000	50, 50	50	50	50	50	50
flat1000_60_0	1000	60, 60	60	60	60	60	60
flat1000_76_0	1000	76, 82	88	88	82	83	89
flat300_28_0	300	28, 28	28	31	31	31	31
le450_15c	450	15, 15	15	16	15	15	15
le450_15d	450	15, 15	15	15	15	15	15
le450_25c	450	25, 25	27	26	25	26	25
le450_25d	450	25, 25	27	26	25	26	25