Table 1. CUDA implementation versus C based sequential implementation.

Image Size	CPU/GPU	Phase extraction (ms)		Residue Identification (ms)		Branch cut Placement (ms)		Unwrap (ms)		Total (ms)
1024 × 1024	CPU	317.42	43.42		6.74		89.32		460.7
1 frame	GPU	5.05	0.58		1.125		10.014		24.55
	Speedup factor	62.86	74.19		5.99		8.92		18.77
1024 × 1024	CPU	3174.2	434.2		67.4		893.2		4607.4
10 frames	GPU	40.486	5.55		1.128		45.285		111.1
	Speedup factor	78.4	78.19		59.71		19.72		41.47
512 × 512	CPU	71	11		5		16		105
1 frame	GPU	2.18	0.2		0.02		1.87		8
	Speedup factor	32.61	55.84		250		8.55		13.13
512 × 512	CPU	710	110		50		160		1050
10 frames	GPU	11.57	1.4		0.02		6.722		26
	Speedup factor	61.37	78.57		2500		23.8		40.38