Table 9. Execution time of the GPU-based parallel permutation testing according to the value of the parameter N.

Parameter N		1, 000	2, 000	2, 500	5, 000	10, 000
Global memory (GB)		0.93	1.86	2.33	4.66	9.31
	Execution time (s)
	truerand	2.69	3.78	4.53	9.20	19.76
Device A	GetTickCount	26.92	18.81	18.19	18.43	19.83
	truerand	3.59	6.80	8.58	−	−
Device B	GetTickCount	35.75	33.97	34.49	−	−