Parallel Implementation of FEM Solver for Shared Memory Using OpenMP

Table 14

Finite element solver timing, speedup, and efficiency for system of 131585 unknowns.

Threads	1	2	3	4	5	6	7	8
Time	26.23	19.01	13.91	11.05	9.33	8.15	7.75	6.94
Speedup	1.00	1.38	1.89	2.37	2.81	3.22	3.39	3.78
Efficiency	1.00	0.69	0.63	0.59	0.56	0.54	0.48	0.47
Threads	9	10	11	12	13	14	15	16
Time	6.29	5.96	5.52	5.20	5.07	4.69	4.51	4.50
Speedup	4.17	4.40	4.75	5.04	5.18	5.59	5.82	5.83
Efficiency	0.46	0.44	0.43	0.42	0.40	0.40	0.39	0.36