Function ErfInv

 

The ErfInv function computes inverse error function value 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 18.66 16.40 65.54
LA 8.86 7.15 64.48
EP 8.83 7.15 61.88
double HA 52.62 46.67 80.82
LA 30.85 27.34 79.56
EP 13.11 12.40 79.56


Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-5.0, 25.0]; single precision: [-3.0, 9.0])
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 0.51
LA 2.35 2.35 0.51
EP 2.35 2.35 0.52
double HA 0.50 0.50 0.50
LA 1.61 1.61 0.50
EP 2.03E+07 2.03E+07 0.50

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

 

 

Performance Graphs:

     

 

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