Function Cosh

 

The Cosh function computes a hyperbolic 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 11.89 9.38 7.20
LA 9.52 8.05 7.20
EP 7.86 7.34 7.20
double HA 22.84 21.11 8.14
LA 20.20 19.27 8.14
EP 19.81 17.90 8.14

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ -10000 ; 10000.0 ]; single precision: [ -10000.0 ; 10000.0 ])
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 0.52 0.52 0.50
LA 1.52 1.52 0.50
EP 911.00 911.00 0.50
double HA 0.51 0.51 0.50
LA 3.22 3.22 0.50
EP 3.22 3.22 0.50

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

 

 

Performance Graphs:

     

 

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