Function Pow2o3

 

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

 

Performance:

 Intel(R) Xeon(R) processor 5100 Series  45nm Intel(R)
Core(TM)2 Duo Processor
Intel(R) Itanium(R) 2 processor
single HA 15.09 13.50 66.22
LA 7.54 6.88 66.22
EP 5.59 5.52 66.22
double HA 34.70 31.76 66.20
LA 34.70 31.39 66.20
EP 20.38 18.13 66.20

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:

 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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