Hybrid Parallel FDTD Calculation Method Based on MPI for Electrically Large Objects

Table 4

FDTD calculation and comparison of different models.

Calculation method	Objects	Time steps	time (s)	CPU usage rate (%)	one using memory (MB)	Speedup	Efficiency
one, serial	dumbbell	26069	7245	90	1250	1	1
	Car		8902	90	1532	1	1
	helicopter		∗	∗	∗	∗	∗
three, parallel	dumbbell		3832	75~88	350~430	1.891	0.6303
	car		4705	78~90	430~530	1.892	0.6307
	helicopter		39842	68~72	280~300	1.785	0.5951
four, parallel	dumbbell		2912	68~78	260~350	2.488	0.6220
	car		3646	65~82	330~430	2.442	0.6105
	helicopter		25751	65~78	230~260	2.052	0.5131