The Application of Improved Spherical Harmonics Expansion-Based Multilevel Fast Multipole Algorithm in the Solution of Volume-Surface Integral Equation

Table 1

Memory requirement by RPs and time cost per iteration versus various L and P.

Method	conv,	conv,	imp,
			(MB)	210.2	468.6	39.53	79.06	130.7
	—	—	0.084	0.17	0.28
MVP (s)	6.05	9.08	6.77	6.98	7.25
Iterations	551	598	1391	597	597
Method	conv,	conv,	imp,
			(MB)	834.1	638.8	39.53	79.06	130.7
	—	—	0.062	0.12	0.20
MVP (s)	13.91	11.75	8.36	8.72	9.11
Iterations	601	601	1392	602	601