Function Erfc

 

The Erfc function computes the 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 12.37 19.01 8.47
LA 12.37 15.86 8.47
EP 8.91 11.33 8.47
double HA 21.17 21.56 16.22
LA 21.17 20.08 16.02
EP 16.41 20.08 15.89

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [ -5, 25 ]; single precision: [ -3, 9 ])
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 0.54 0.54 0.53
LA 1.74 1.74 0.53
EP 3.80E+03 3.80E+03 0.53
double HA 0.51 0.51 0.50
LA 2.64 2.64 0.50
EP 2.69 2.69 0.50

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

 

 

Performance Graphs:

     

 

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