Atanh

Function Atanh

The Atanh function computes an inverse 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	13.21	17.32	14.11
	LA	9.75	12.10	14.11
	EP	7.99	8.76	13.93
double	HA	17.56	20.16	16.74
	LA	15.48	17.02	16.09
	EP	15.48	17.02	15.98

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ 0.005, 0.99999 ]; single precision: [ 0.77, 0.99999 ])
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	0.77	0.77	0.50
	LA	1.86	1.86	0.50
	EP	2.06E+03	2.06E+03	0.50
double	HA	0.50	0.50	0.50
	LA	2.33	2.33	0.50
	EP	2.50	2.50	0.50

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

Performance Graphs:

Legal Information