Table 3.

The running time (second) of five cases for 3 workstations.

Case	Dell 1			Dell 2			Cray XK7
	1 thread	12 threads	GPU	1 thread	12 threads	GPU	1 thread	16 threads	GPU
1	54.53	37.73	33.50	54.40	37.83	33.62	136.72	116.25	105.46
2	60.36	41.49	37.60	59.72	41.44	37.57	155.70	126.70	120.95
3	52.19	35.79	32.25	52.45	35.90	32.38	131.51	111.05	102.54
4	65.14	44.60	40.24	65.54	45.60	40.75	173.15	145.60	135.79
5	52.36	35.44	32.20	52.50	35.59	32.55	129.22	111.17	101.42

Dell 1: one Intel ® Core™ i7 CPU 260 @ 2.80 GHz, NVIDIA Quadro 6000 card, and 8 GB RAM. Dell 2: Intel(R) Xeon(R) CPU X5690 @ 3.47 GHz, Quadro 6000, and 96 GB RAM. Cray XK7: one AMD 6276 Interlagos Processor with 8 Bulldozer cores, 32 GB RAM, and NVIDIA Tesla K20X.