Function Pow2o3

 

The Pow2o3 function raises each element of a vector to the constant power 2/3.

 

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 14.90 14.39 19.75
LA 7.63 7.51 19.75
EP 5.63 5.54 19.74
double HA 43.84 43.07 15.31
LA 43.84 42.73 15.29
EP 20.46 19.68 15.28

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0.1, 10000.0]; single precision: [0.1, 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 0.60 0.60 0.51
LA 3.47 3.47 0.51
EP 2.54E+03 2.52E+03 0.51
double HA 0.51 0.51 0.50
LA 0.51 0.51 0.50
EP 4.26 4.26 0.50


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

 

 

Performance Graphs:

     

 

Legal Information

Copyright © 2000-2008, Intel Corporation.