Function Tanh

 

The Tanh function computes a hyperbolic tangent 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 16.86 15.53 6.70
LA 12.91 12.08 6.69
EP 11.06 10.04 6.68
double HA 33.26 33.18 10.90
LA 30.55 32.51 10.73
EP 30.55 29.89 10.73

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ -1000.0 ; 1000.0 ]; single precision: [ -1000.0 ; 1000.0 ])
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 0.50 0.50 0.50
LA 0.81 0.81 0.50
EP 2.50E+03 2.50E+03 0.50
double HA 0.69 0.69 0.50
LA 1.26 1.26 0.50
EP 1.26 1.26 0.50

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

 

 

Performance Graphs:

     

 

Legal Information

Copyright © 2000-2007, Intel Corporation.