Function ErfInv

 

The ErfInv function computes inverse error function value 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 11.53 14.55 25.23
LA 8.36 6.90 24.48
EP 6.44 5.57 24.48
double HA 15.48 17.85 27.43
LA 13.22 16.17 26.72
EP 9.30 11.91 26.66


Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-0.99999, 0.99999]; single precision: [
-0.99999, 0.99999])
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 0.50 0.50 0.55
LA 2.46 2.46 0.55
EP 1.02E+03 1.02E+03 0.55
double HA 0.50 0.50 0.50
LA 1.89 1.89 0.50
EP 6.17E+07 6.17E+07 0.50

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

 

 

Performance Graphs:

     

 

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