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 | |
Performance Graphs:
Copyright © 2000-2008, Intel Corporation.