Accelerating the SCE-UA Global Optimization Method Based on Multi-Core CPU and Many-Core GPU

Table 5

Speed-up ratio of the CUDA-SCE-UA versus the Serial-SCE-UA.

nopt	ngs
	4	8	16	32	64	128	256	512	1024
10	0.20	0.42	0.77	1.42	2.93	5.61	10.77	21.50	42.03
20	0.19	0.39	0.78	1.50	2.90	6.15	11.72	23.44	45.95
30	0.19	0.39	0.80	1.47	2.94	6.05	11.64	22.88	45.84
40	0.20	0.38	0.76	1.44	3.11	5.87	11.82	23.27	44.91
50	0.17	0.36	0.77	1.47	2.76	5.96	11.28	22.56	43.73