Developer Reference
Intel® oneAPI Math Kernel Library Vector Mathematics Performance and Accuracy Data
                    
                        ID
                        772989
                    
                
                
                    Date
                    12/04/2020
                
                
                    Public
                
            ErfInv
Computes inverse error function value of real vector elements.
Performance:
| Intel® Xeon® Processor E5-2680 | Intel® Xeon® Processor E5-2699 v3 | Intel® Xeon® Processor E5-2699 v4 | Intel® Xeon® Gold 6148 Processor | ||
|---|---|---|---|---|---|
| single | HA | 6.66 | 5.44 | 4.62 | 2.65 | 
| LA | 2.82 | 2.84 | 2.59 | 1.23 | |
| EP | 2.40 | 2.83 | 2.59 | 0.75 | |
| double | HA | 17.06 | 19.27 | 16.29 | 6.53 | 
| LA | 10.93 | 13.57 | 11.43 | 5.88 | |
| EP | 5.03 | 5.99 | 4.98 | 2.57 | |
      Notes: 
    
 
    - Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ -0.99999, 0.99999 ]; single precision: [ -0.99999, 0.99999 ]) 
- Data - vectors of 1000 elements with random generated numbers. 
- All data was collected with 64-bit libraries. 
Accuracy:
| Intel® Xeon® Processor E5-2680 | Intel® Xeon® Processor E5-2699 v3 | Intel® Xeon® Processor E5-2699 v4 | Intel® Xeon® Gold 6148 Processor | ||
|---|---|---|---|---|---|
| single | HA | 0.50 | 0.50 | 0.50 | 0.52 | 
| LA | 2.68 | 2.68 | 2.68 | 2.58 | |
| EP | 1.02E+03 | 2.68 | 2.68 | 2.31E+03 | |
| double | HA | 0.50 | 0.50 | 0.50 | 0.51 | 
| LA | 1.67 | 1.67 | 1.67 | 0.98 | |
| EP | 6.17E+07 | 6.17E+07 | 6.17E+07 | 6.17E+07 | |
      NOTE: 
    
 Units - ULP (Units in the Last Place). 
   Performance Graphs:




 Parent topic: Special