Expm1

Function Expm1

The Expm1 function computes an exponential of vector elements decreased by 1.

Performance:

		Intel(R) Xeon(R) processor 5100 Series	45nm Intel(R) Core(TM)2 Duo Processor	Intel(R) Itanium(R) 2 processor
single	HA	34.61	31.22	158.17
	LA	34.61	31.22	157.88
	EP	34.60	31.22	157.88
double	HA	55.52	55.58	121.75
	LA	34.78	31.40	121.75
	EP	34.78	31.40	121.75

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-500.0 ; 500.0]; single precision: [-70.0 ; 70.0])
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	0.55	0.55	0.55
	LA	0.55	0.55	0.55
	EP	0.55	0.55	0.55
double	HA	0.55	0.55	0.55
	LA	0.55	0.55	0.55
	EP	0.55	0.55	0.55

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

Performance Graphs:

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