A Comparative Study on Different Parallel Solvers for Nonlinear Analysis of Complex Structures

Table 11

930000-order slightly ill-conditioned matrix test results.

Methods	Speedup	Time (s)								Number of  threads
		Total	Matrix structural analysis	Matrix rearrangement	Symbolic factorization	ILU decomposition	Direct solving	Memory allocation	Other
Parallel SE	/	655.03	0.55	10.23	5.37	630.26	4.39	0.11	4.12	1
	1.92	340.46	0.47	10.29	3.57	319.21	2.66	0.13	4.13	2
	3.65	179.35	0.47	10.24	2.88	159.99	1.54	0.11	4.12	4
	6.28	104.29	0.47	10.30	2.95	85.19	1.14	0.12	4.12	8
	9.31	70.37	0.48	10.28	3.77	50.57	1.00	0.13	4.14	16
Serial codes	/	656.12	/	/	/	/	/	/	/	1