Developer Reference
Intel® oneAPI Math Kernel Library Vector Mathematics Performance and Accuracy Data
                    
                        ID
                        772989
                    
                
                
                    Date
                    12/04/2020
                
                
                    Public
                
            Measured Accuracy of All Complex VM Functions
| Functions | Intel® Xeon® Processor E5-2680 | Intel® Xeon® Processor E5-2699 v3 | Intel® Xeon® Processor E5-2699 v4 | Intel® Xeon® Gold 6148 Processor | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| single | double | single | double | single | double | single | double | |||||||||||||||||
| HA | LA | EP | HA | LA | EP | HA | LA | EP | HA | LA | EP | HA | LA | EP | HA | LA | EP | HA | LA | EP | HA | LA | EP | |
| Abs | 0.56 | 1.09 | 3.76E+03 | 0.81 | 1.54 | 3.88E+05 | 0.56 | 0.83 | 3.76E+03 | 0.81 | 0.91 | 3.88E+05 | 0.56 | 0.83 | 3.76E+03 | 0.81 | 0.91 | 3.88E+05 | 0.51 | 1.05 | 3.76E+03 | 0.81 | 0.91 | 2.37E+07 | 
| Acos | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Acosh | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Add | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Arg | 0.72 | 2.53 | 3.69E+03 | 0.73 | 1.78 | 2.03E+07 | 0.72 | 2.33 | 3.69E+03 | 0.75 | 1.57 | 2.03E+07 | 0.72 | 2.33 | 3.69E+03 | 0.75 | 1.57 | 2.03E+07 | 0.72 | 2.33 | 3.69E+03 | 0.75 | 1.57 | 2.03E+07 | 
| Asin | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Asinh | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Atan | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Atanh | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| CIS | 0.59 | 2.13 | 2.52E+03 | 0.50 | 3.12 | 6.14E+07 | 0.59 | 2.17 | 2.52E+03 | 0.50 | 2.74 | 6.14E+07 | 0.59 | 2.17 | 2.52E+03 | 0.50 | 2.74 | 6.14E+07 | 0.59 | 2.17 | 2.52E+03 | 0.51 | 2.74 | 6.14E+07 | 
| Conj | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 
| Cos | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Cosh | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Div | 0.50 | 0.50 | 4.39E+03 | 0.50 | 0.50 | 2.17 | 0.50 | 0.50 | 4.39E+03 | 0.50 | 0.50 | 2.50 | 0.50 | 0.50 | 4.39E+03 | 0.50 | 0.50 | 2.50 | 0.50 | 0.50 | 583.00 | 0.50 | 0.50 | 655.00 | 
| Exp | 0.58 | 1.57 | 1.57 | 0.50 | 1.75 | 1.75 | 0.58 | 1.57 | 1.57 | 0.50 | 1.75 | 1.75 | 0.58 | 1.57 | 1.57 | 0.50 | 1.75 | 1.75 | 0.58 | 1.57 | 1.57 | 0.50 | 1.75 | 1.75 | 
| Ln | 0.71 | 2.19 | 3.61E+03 | 0.71 | 2.09 | 1.97E+07 | 0.71 | 2.12 | 3.61E+03 | 0.71 | 2.09 | 1.97E+07 | 0.71 | 2.12 | 3.61E+03 | 0.71 | 2.09 | 1.97E+07 | 0.71 | 2.19 | 3.61E+03 | 0.71 | 2.09 | 1.97E+07 | 
| Log10 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Mul | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.98 | 
| MulByConj | 0.50 | 0.50 | 0.99 | 0.50 | 0.50 | 0.97 | 0.50 | 0.50 | 0.99 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.99 | 0.50 | 0.50 | 0.98 | 0.50 | 0.50 | 0.99 | 0.50 | 0.50 | 0.98 | 
| Pow | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 
| Powx | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 0.50 | 0.50 | 0.00 | 0.00 | 0.00 | 
| Sin | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Sinh | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Sqrt | 0.51 | 1.97 | 1.97 | 0.50 | 2.05 | 2.05 | 0.50 | 1.97 | 1.97 | 0.50 | 2.05 | 2.05 | 0.50 | 1.97 | 1.97 | 0.50 | 2.05 | 2.05 | 0.50 | 1.97 | 1.97 | 0.50 | 1.47 | 1.47 | 
| Sub | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Tan | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
| Tanh | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 0.50 | 
Notes:
- Units - CPE (Clocks per Element) 
- Data - vectors of 1000 elements with random generated numbers 
- All data was collected with 64-bit libraries 
 Parent topic: Complex Functions