Function Cos

 

The Cos function computes a 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 8.50 8.89 7.27
LA 7.46 7.16 7.27
EP 7.00 6.34 7.27
double HA 13.07 16.78 10.88
LA 13.03 16.68 10.82
EP 10.57 12.77 10.78

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:

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 0.75 0.75 0.50
LA 1.63 1.63 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 2.46E+05 2.46E+05 0.50

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

 

 

Performance Graphs:

     

 

Legal Information

Copyright © 2000-2008, Intel Corporation.