Cosh

Function Cosh

The Cosh function computes a hyperbolic cosine 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	9.36	10.28	7.28
	LA	8.04	8.69	7.28
	EP	7.49	6.94	7.26
double	HA	12.49	16.13	8.21
	LA	11.46	14.13	8.21
	EP	11.46	14.11	8.20

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ -675.0, 675.0 ]; single precision: [ -87.0, 87.0 ])
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	0.54	0.54	0.50
	LA	1.37	1.32	0.50
	EP	911.00	911.00	0.50
double	HA	0.50	0.50	0.50
	LA	2.96	2.96	0.50
	EP	2.96	2.96	0.50

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

Performance Graphs:

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