. Author manuscript; available in PMC: 2010 Nov 1.

Published in final edited form as: J Comput Phys. 2010 Nov 1;229(22):8231–8258. doi: 10.1016/j.jcp.2010.06.036

Table 7.

Speedup from adjustment of initial guess and preconditioner in PB solver

h	size	BiCG	BiCGⁱ	ILU/OM	Speedup
1	17× 12× 12	0.0557(252)	0.0322(152)	0.0371(50)	1.50
0.5	32× 23× 23	0.775(419)	0.467(248)	0.420(82)	1.85
0.25	64× 46× 46	17.676(841)	10.410(490)	6.947 (166)	2.54
0.125	127× 92× 92	525.74(2771)	263.11(1371)	130.76 (410)	4.02