Tanh

Function Tanh

The Tanh function computes a hyperbolic tangent of real vector elements.

Performance:

		Dual-Core Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo processor	Intel(R) Itanium(R) 2 processor
single	HA	10.71	12.61	6.72
	LA	9.22	12.61	6.71
	EP	8.63	11.09	6.71
double	HA	20.44	17.38	13.40
	LA	12.67	16.04	13.18
	EP	12.67	15.95	13.18

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ -19, 19 ]; single precision: [ -9, 9 ])
3) Data - vectors of 1000 elements with random generated numbers.

Accuracy:

		Dual-Core Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo processor	Intel(R) Itanium(R) 2 processor
single	HA	0.50	0.50	0.50
	LA	0.66	0.66	0.50
	EP	2.61E+03	2.37E+03	0.50
double	HA	0.60	0.60	0.50
	LA	1.18	1.18	0.50
	EP	1.19	1.19	0.50

Note: Units - ULP (Units in The Last Place).

Performance Graphs:

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