Function ErfcInv

 

The ErfcInv function computes the inverse complementary 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 11.90 12.30 35.91
LA 8.73 8.43 35.32
EP 7.09 6.75 34.79
double HA 0.00 0.00 0.00
LA 0.00 0.00 0.00
EP 0.00 0.00 0.00


Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0.00001, 1.99999]; single precision: [
0.00001, 1.99999])
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 0.60
LA 2.25 2.22 0.60
EP 1.03E+03 1.03E+03 0.60
double HA 0.00 0.00 0.00
LA 0.00 0.00 0.00
EP 0.00 0.00 0.00

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

 

 

Performance Graphs:

     

 

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