An Efficient Alternating Segment Parallel Difference Method for the Time Fractional Telegraph Equation

Table 3

Comparison of the three difference schemes’ CPU time.

Grid numbers	Implicit	PASE-I	PASI-E
100	29.26	18.72	18.74	1.56	0.39
200	52.45	23.63	23.72	2.21	0.55
400	95.11	33.69	33.50	2.82	0.70
800	226.02	48.19	48.91	4.68	1.17
1600	433.85	81.76	83.42	5.30	1.32
3200	895.42	170.69	170.18	5.24	1.31