Cos

Function Cos

The Cos function computes a cosine of real vector elements.

Performance:

		Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo Processor	Intel(R) Itanium(R) 2 processor
single	HA	9.25	8.17	7.19
	LA	7.30	6.59	7.19
	EP	6.20	6.31	7.19
double	HA	24.54	22.39	9.30
	LA	24.37	22.39	9.22
	EP	16.00	14.29	9.22

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:

		Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo Processor	Intel(R) Itanium(R) 2 processor
single	HA	0.80	0.80	0.50
	LA	1.39	1.39	0.50
	EP	2.55E+03	2.55E+03	0.50
double	HA	0.50	0.50	0.50
	LA	0.50	0.50	0.50
	EP	1.99E+05	1.99E+05	0.50

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

Performance Graphs:

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